@article{Nogueira, author = {Nogueira, Priscilla}, title = {"Battlers" and their homes: About self-production of residences made by the brazilian new middle class}, series = {Social Inclusion}, journal = {Social Inclusion}, doi = {10.17645/si.v3i2.67}, url = {http://nbn-resolving.de/urn:nbn:de:gbv:wim2-20170425-31568}, pages = {44 -- 61}, abstract = {The article presents preliminary results and qualitative analysis obtained from the doctoral research provisory entitled "How do Brazilian 'battlers' reside?", which is in progress at the Institute for European Urban Studies, Bauhaus Univer-sity Weimar. It critically discusses the contradictions of the production of residences in Brazil made by an emerging so-cial group, lately called the Brazilian new middle class. For the last ten years, a number of government policies have provoked a general improvement of the purchasing power of the poor. Between those who completely depend on the government to survive and the upper middle class, there is a wide (about 100 million people) and economically stable lower middle group, which has found its own ways of dealing with its demand for housing. The conventional models of planning, building and buying are not suitable for their technical, financial and personal needs. Therefore, they are con-currently planners, constructors and residents, building and renovating their own properties themselves, but still with very limited education and technical knowledge and restricted access to good building materials and constructive ele-ments, formal technicians, architects or engineers. On the one hand, the result is an informal and more or less autono-mous self-production, with all sorts of technical problems and very interesting and creative spatial solutions to every-day domestic situations. On the other hand, the repercussions for urban space are questionable: although basic infrastructure conditions have improved, building densities are high and green areas are few. Lower middle class neigh-bourhoods present a restricted collective everyday life. They look like storage spaces for manpower; people who live to work in order to be able to consume—and build—what they could not before. One question is, to what extent the lat-est economic rise of Brazil has really resulted in social development for lower middle income families in the private sphere regarding their residences, and in the collective sphere, regarding the neighbourhoods they inhabit and the ur-ban space in general.}, subject = {Brasilien}, language = {en} } @phdthesis{Nguyen, author = {Nguyen, Manh Hung}, title = {µ-Hyperholomorphic Function Theory in R³: Geometric Mapping Properties and Applications}, doi = {10.25643/bauhaus-universitaet.2447}, url = {http://nbn-resolving.de/urn:nbn:de:gbv:wim2-20150817-24477}, school = {Bauhaus-Universit{\"a}t Weimar}, pages = {155}, abstract = {This thesis applies the theory of \psi-hyperholomorphic functions dened in R^3 with values in the set of paravectors, which is identified with the Eucledian space R^3, to tackle some problems in theory and practice: geometric mapping properties, additive decompositions of harmonic functions and applications in the theory of linear elasticity.}, subject = {Mathematik}, language = {en} } @phdthesis{Schuetz, author = {Sch{\"u}tz, Stephan}, title = {Von der Faser zum Haus : Das Potential von gefalteten Wabenplatten aus Papierwerkstoffen in ihrer architektonischen Anwendung}, doi = {10.25643/bauhaus-universitaet.3804}, url = {http://nbn-resolving.de/urn:nbn:de:gbv:wim2-20181010-38044}, school = {Bauhaus-Universit{\"a}t Weimar}, pages = {223}, abstract = {Der vorliegende Text beschreibt die intensive Erforschung von Wabenplatten aus Papierwerkstoffen, die durch Faltprozesse neue r{\"a}umliche Zust{\"a}nde einnehmen k{\"o}nnen und somit ihr urspr{\"u}ngliches Anwendungsspektrum erweitern. Die gezeigten L{\"o}sungsans{\"a}tze bewegen sich dabei im Spannungsfeld von Architektur und Ingenieurbau, denn die gefalteten Bauteile sind nicht nur {\"a}ußerst tragf{\"a}hig sondern besitzen auch eine {\"a}sthetische Form. Die entwickelten Verfahren und Konstruktionen werden auf einem hohen architektonischen Niveau pr{\"a}sentiert und mit einfachen ingenieurtechnischen Methoden verifiziert. Zur L{\"o}sungsfindung werden geometrische Verfahren ebenso angewendet wie konstruktive Faustformeln und Recherchen aus Architektur und Forschung. Der Fokus der Arbeit liegt auf der Untersuchung von Faltungen in Wabenplatten. W{\"a}hrend der Auseinandersetzung mit der Thematik erschienen jedoch viele weitere Aspekte als sehr interessant und bearbeitungsw{\"u}rdig. Als theoretische Grundlage dieser Arbeit werden deshalb die geschichtliche Entwicklung und die gesellschaftliche Bedeutung von Papier und Papierwerkstoffen analysiert und deren Produktionsprozesse beleuchtet. Diese Vorgehensweise erm{\"o}glicht eine Einordnung des Potentials und der Bedeutung des Werkstoffs Papier. Der Kontext der Arbeit wird dadurch gest{\"a}rkt und f{\"u}hrt zu interessanten zuk{\"u}nftigen Forschungsans{\"a}tzen. Intensive Untersuchungen widmen sich der geometrischen Bestimmung von Faltungen in Wabenplatten aus Papierwerkstoffen sowie deren Manifestation als konstruktive Bauteile. Auch die statischen Eigenschaften der Elemente und ihr Konstruktionspotential werden erforscht und aufbereitet. Wichtige Impulse aus Forschung und Technik fließen in die Recherche der Arbeit ein und erlauben die Verortung der Ergebnisse im architektonischen Kontext. Versuchsreihen und Materialstudien an Prototypen belegen die Ergebnisse virtueller und rechnerischer Studien. Konzepte zur parametrischen Berechnung und Visualisierung der Forschungsergebnisse werden pr{\"a}sentiert und zeigen zukunftsf{\"a}hige Planungshilfen f{\"u}r die Industrie auf. Etliche Testreihen zu unterschiedlichsten Abdichtungskonzepten f{\"u}hren zur Realisierung eines sehenswerten Experimentalbaus. Er erlaubt die dauerhafte Untersuchung der entwickelten Bauteile unter realistischen Bedingungen und best{\"a}tigt deren Leistungsf{\"a}higkeit. Dadurch wird nicht nur ein dauerhaftes Monitoring und eine Evaluierung der Leistungsdaten m{\"o}glich sondern es wird auch der sichtbare Beweis erbracht, dass mit Papierwerkstoffen effiziente und hochwertige Architekturen zu realisieren sind, welche das enorme gestalterische Potential von gefalteten Wabenplatten ausnutzen.}, subject = {Tragendes Teil}, language = {de} } @masterthesis{Krtschil, type = {Bachelor Thesis}, author = {Krtschil, Anna}, title = {Vergleich verschiedener Indikatoren in Bezug auf die {\"O}kobilanz von Geb{\"a}uden}, doi = {10.25643/bauhaus-universitaet.2434}, url = {http://nbn-resolving.de/urn:nbn:de:gbv:wim2-20150716-24340}, school = {Bauhaus-Universit{\"a}t Weimar}, pages = {73}, abstract = {Im Rahmen der Bachelorarbeit werden zwei Indikatoren zur Auswertung einer {\"O}kobilanz gegen{\"u}bergestellt. Die Umweltbelastungspunkte der Schweiz werden mit dem niederl{\"a}ndischen ReCiPe verglichen.}, subject = {Umweltbilanz}, language = {de} } @inproceedings{KhristichAstapov, author = {Khristich, Dmitrii and Astapov, Yuri}, title = {VARIATIONAL POSITING AND SOLUTION OF COUPLED THERMOMECHANICAL PROBLEMS IN A REFERENCE CONFIGURATION}, series = {Digital Proceedings, International Conference on the Applications of Computer Science and Mathematics in Architecture and Civil Engineering : July 20 - 22 2015, Bauhaus-University Weimar}, booktitle = {Digital Proceedings, International Conference on the Applications of Computer Science and Mathematics in Architecture and Civil Engineering : July 20 - 22 2015, Bauhaus-University Weimar}, editor = {G{\"u}rlebeck, Klaus and Lahmer, Tom}, organization = {Bauhaus-Universit{\"a}t Weimar}, issn = {1611-4086}, doi = {10.25643/bauhaus-universitaet.2809}, url = {http://nbn-resolving.de/urn:nbn:de:gbv:wim2-20170314-28091}, pages = {6}, abstract = {Variational formulation of a coupled thermomechanical problem of anisotropic solids for the case of non-isothermal finite deformations in a reference configuration is shown. The formulation of the problem includes: a condition of equilibrium flow of a deformation process in the reference configuration; an equation of a coupled heat conductivity in a variational form, in which an influence of deformation characteristics of a process on the temperature field is taken into account; tensor-linear constitutive relations for a hypoelastic material; kinematic and evolutional relations; initial and boundary conditions. Based on this formulation several axisymmetric isothermal and coupled problems of finite deformations of isotropic and anisotropic bodies are solved. The solution of coupled thermomechanical problems for a hollow cylinder in case of finite deformation showed an essential influence of coupling on distribution of temperature, stresses and strains. The obtained solutions show the development of stressstrain state and temperature changing in axisymmetric bodies in the case of finite deformations.}, subject = {Angewandte Informatik}, language = {en} } @article{LahmerIlgLerch, author = {Lahmer, Tom and Ilg, J. and Lerch, Reinhard}, title = {Variance-based sensitivity analyses of piezoelectric models}, series = {Computer Modeling in Engineering \& Sciences}, journal = {Computer Modeling in Engineering \& Sciences}, pages = {105 -- 126}, abstract = {Variance-based sensitivity analyses of piezoelectric models}, subject = {Angewandte Mathematik}, language = {en} } @inproceedings{MacedoBentaPicadoSantos, author = {Macedo, Joaquim Miguel and Benta, Agostinho and Picado-Santos, Luis}, title = {USE OF MICROSIMULATION IN THE ADAPTATION TO PORTUGAL OF THE HCM 2000 METHODOLOGY FOR BASIC FREEWAY SEGMENTS}, series = {Digital Proceedings, International Conference on the Applications of Computer Science and Mathematics in Architecture and Civil Engineering : July 20 - 22 2015, Bauhaus-University Weimar}, booktitle = {Digital Proceedings, International Conference on the Applications of Computer Science and Mathematics in Architecture and Civil Engineering : July 20 - 22 2015, Bauhaus-University Weimar}, editor = {G{\"u}rlebeck, Klaus and Lahmer, Tom}, organization = {Bauhaus-Universit{\"a}t Weimar}, issn = {1611-4086}, doi = {10.25643/bauhaus-universitaet.2812}, url = {http://nbn-resolving.de/urn:nbn:de:gbv:wim2-20170314-28122}, pages = {7}, abstract = {Portugal is one of the European countries with higher spatial and population freeway network coverage. The sharp growth of this network in the last years instigates the use of methods of analysis and the evaluation of their quality of service in terms of the traffic performance, typically performed through internationally accepted methodologies, namely that presented in the Highway Capacity Manual (HCM). Lately, the use of microscopic traffic simulation models has been increasingly widespread. These models simulate the individual movement of the vehicles, allowing to perform traffic analysis. The main target of this study was to verify the possibility of using microsimulation as an auxiliary tool in the adaptation of the methodology by HCM 2000 to Portugal. For this purpose, were used the microscopic simulators AIMSUN and VISSIM for the simulation of the traffic circulation in the A5 Portuguese freeway. The results allowed the analysis of the influence of the main geometric and traffic factors involved in the methodology by HCM 2000. In conclusion, the study presents the main advantages and limitations of the microsimulators AIMSUN and VISSIM in modelling the traffic circulation in Portuguese freeways. The main limitation is that these microsimulators are not able to simulate explicitly some of the factors considered in the HCM 2000 methodology, which invalidates their direct use as a tool in the quantification of those effects and, consequently, makes the direct adaptation of this methodology to Portugal impracticable.}, subject = {Angewandte Informatik}, language = {en} } @article{Koenig, author = {K{\"o}nig, Reinhard}, title = {Urban Design Synthesis for Building Layouts : Urban Design Synthesis for Building Layouts based on Evolutionary Many-Criteria Optimization}, series = {International Journal of Architectural Computing}, journal = {International Journal of Architectural Computing}, doi = {10.1260/1478-0771.13.3-4.257}, pages = {257 -- 270}, abstract = {When working on urban planning projects there are usually multiple aspects to consider. Often these aspects are contradictory and it is not possible to choose one over the other; instead, they each need to be fulfilled as well as possible. In this situation ideal solutions are not always found because they are either not sought or the problems are regarded as being too complex for human capabilities.To improve this situation we propose complementing traditional design approaches with a design synthesis process based on evolutionary many-criteria optimization methods that can fulfill formalizable design requirements. In addition we show how self-organizing maps can be used to visualize many-dimensional solution spaces in an easily analyzable and comprehensible form.The system is presented using an urban planning scenario for the placement of building volumes.}, subject = {Design synthesis}, language = {en} } @inproceedings{OPUS4-2374, title = {Urban Design for Mussolini, Stalin, Salazar, Hitler and Franco During the Interwar Period}, editor = {Bauhaus-Institut f{\"u}r Geschichte und Theorie der Architektur und Planung,}, doi = {10.25643/bauhaus-universitaet.2374}, url = {http://nbn-resolving.de/urn:nbn:de:gbv:wim2-20150323-23746}, abstract = {Urban design played a central role for the European dictatorships during the 20th century, it served to legitimate the regime, to produce agreement, to demonstrate power, efficiency and speed, it communicated the social, as well as design projects, of the dictatorial regimes domestically and internationally, it tied old experts, as well as new, to the regime. Dictatorial urban design also played an important role after the fall of the dictatorships: It became the object of structural and verbal handling strategies: of demolition, of transformation, of reconstruction, of forgetting, of suppressing, of re-interpretation and of glorification. The topic area is, therefore, both historical and relevant to the present day. The discussion of the topic area is, like it or not, always embedded in the present state of societal engagement with dictatorships. In order to even be able to discuss all of these aspects, different conceptual decisions are necessary. In retrospect, these may seem to many as self-evident, although they are anything but. Our thesis is that there are three methodological imperatives, especially, which allow an expanded approach to the topic area "urban design and dictatorship". First and above all, the tunnel view, focused on individual dictatorships and neglecting the international dimension, must be overcome. Second, the differences in urban design over the course of a dictatorship, through an appropriate periodisation, should be emphasised. Third, we must strive for an open, flexible, but complex concept of urban design. The main focus lies on the urban design of the most influential dictatorships of the first half of the 20th century: Soviet Union, Fascist Italy and Nazi Germany, including the urban design of the autarky periods in Portugal and Spain. After all, urban design is not just a product of specific historic circumstances. It is a form that continues to have long-term effects, which demonstrates its usefulness and adaptability throughout this process. The urban design products undoubtedly still recall the dictatorial rule under which they were created. However, they are more than a memory space. They are also a living space of the present. They can and should be discussed with respect to their spatial and functional utility for today and tomorrow. Such a perspective is a given for the citizens of a city, but also for city marketing, having marvellous consequences. Only when we do not exclude this dimension a priori, even in academic discussions, can we do justice to the products of dictatorships. And finally, the view of the urban design of dictatorships can and must contribute to the questioning of simplified and naive conceptions of dictatorships. With urban design in mind, we can observe how dictatorships work and how they were able to prevail. In Europe, these questions are of the highest actuality.}, subject = {Urbanit{\"a}t}, language = {en} } @article{VuBacRafieeZhuangetal., author = {Vu-Bac, N. and Rafiee, Roham and Zhuang, Xiaoying and Lahmer, Tom and Rabczuk, Timon}, title = {Uncertainty quantification for multiscale modeling of polymer nanocomposites with correlated parameters}, series = {Composites Part B: Engineering}, journal = {Composites Part B: Engineering}, pages = {446 -- 464}, abstract = {Uncertainty quantification for multiscale modeling of polymer nanocomposites with correlated parameters}, subject = {Angewandte Mathematik}, language = {en} } @inproceedings{KerstenRodehorst, author = {Kersten, Jens and Rodehorst, Volker}, title = {TOWARDS STEREO VISION- AND LASER SCANNER-BASED UAS POSE ESTIMATION}, series = {Digital Proceedings, International Conference on the Applications of Computer Science and Mathematics in Architecture and Civil Engineering : July 20 - 22 2015, Bauhaus-University Weimar}, booktitle = {Digital Proceedings, International Conference on the Applications of Computer Science and Mathematics in Architecture and Civil Engineering : July 20 - 22 2015, Bauhaus-University Weimar}, editor = {G{\"u}rlebeck, Klaus and Lahmer, Tom}, organization = {Bauhaus-Universit{\"a}t Weimar}, issn = {1611-4086}, doi = {10.25643/bauhaus-universitaet.2807}, url = {http://nbn-resolving.de/urn:nbn:de:gbv:wim2-20170314-28072}, pages = {7}, abstract = {A central issue for the autonomous navigation of mobile robots is to map unknown environments while simultaneously estimating its position within this map. This chicken-eggproblem is known as simultaneous localization and mapping (SLAM). Asctec's quadrotor Pelican is a powerful and flexible research UAS (unmanned aircraft system) which enables the development of new real-time on-board algorithms for SLAM as well as autonomous navigation. The relative UAS pose estimation for SLAM, usually based on low-cost sensors like inertial measurement units (IMU) and barometers, is known to be affected by high drift rates. In order to significantly reduce these effects, we incorporate additional independent pose estimation techniques using exteroceptive sensors. In this article we present first pose estimation results using a stereo camera setup as well as a laser range finder, individually. Even though these methods fail in few certain configurations we demonstrate their effectiveness and value for the reduction of IMU drift rates and give an outlook for further works towards SLAM.}, subject = {Angewandte Informatik}, language = {en} } @inproceedings{JaouadiLahmer, author = {Jaouadi, Zouhour and Lahmer, Tom}, title = {Topology optimization of structures subjected to multiple load cases by introducing the Epsilon constraint method}, series = {Digital Proceedings, International Conference on the Applications of Computer Science and Mathematics in Architecture and Civil Engineering : July 20 - 22 2015, Bauhaus-University Weimar}, booktitle = {Digital Proceedings, International Conference on the Applications of Computer Science and Mathematics in Architecture and Civil Engineering : July 20 - 22 2015, Bauhaus-University Weimar}, editor = {G{\"u}rlebeck, Klaus and Lahmer, Tom}, organization = {Bauhaus-Universit{\"a}t Weimar}, issn = {1611-4086}, doi = {10.25643/bauhaus-universitaet.2804}, url = {http://nbn-resolving.de/urn:nbn:de:gbv:wim2-20170314-28042}, pages = {7}, abstract = {A topology optimization method has been developed for structures subjected to multiple load cases (Example of a bridge pier subjected to wind loads, traffic, superstructure...). We formulate the problem as a multi-criterial optimization problem, where the compliance is computed for each load case. Then, the Epsilon constraint method (method proposed by Chankong and Haimes, 1971) is adapted. The strategy of this method is based on the concept of minimizing the maximum compliance resulting from the critical load case while the other remaining compliances are considered in the constraints. In each iteration, the compliances of all load cases are computed and only the maximum one is minimized. The topology optimization process is switching from one load to another according to the variation of the resulting compliance. In this work we will motivate and explain the proposed methodology and provide some numerical examples.}, subject = {Angewandte Informatik}, language = {en} } @article{Schuch, author = {Schuch, Kai}, title = {Theoretische Modelle zur Beschreibung des Aggregationsprozesses von w{\"a}ssrigen Alkalisilikatsolen (Wasserglas) durch spezielle Gelinitiatoren zum Aufbau von stabilen silikatischen Schichtmaterialien}, series = {Steuerung des Aggregationsprozesses in w{\"a}ssrigen Alkalisilikatsolendurch spezielle Gelinitiatoren und moderate W{\"a}rmebehandlung zum Aufbau einer stabilen Silikatbeschichtung}, journal = {Steuerung des Aggregationsprozesses in w{\"a}ssrigen Alkalisilikatsolendurch spezielle Gelinitiatoren und moderate W{\"a}rmebehandlung zum Aufbau einer stabilen Silikatbeschichtung}, doi = {10.25643/bauhaus-universitaet.2480}, url = {http://nbn-resolving.de/urn:nbn:de:gbv:wim2-20151123-24807}, abstract = {In dem Artikel werden die theoretischen Modelle und die Zusammenfassung aus der Dissertation von Kai Schuch, Bauhaus Universit{\"a}t Weimar 2014, zusammengef{\"u}hrt.}, subject = {Wasserglas}, language = {de} } @article{ZhaoLuRabczuk, author = {Zhao, Jiyun and Lu, Lixin and Rabczuk, Timon}, title = {The tensile and shear failure behavior dependence on chain length and temperature in amorphous polymers}, series = {Computational Materials Science}, journal = {Computational Materials Science}, pages = {567 -- 572}, abstract = {The tensile and shear failure behavior dependence on chain length and temperature in amorphous polymers}, subject = {Angewandte Mathematik}, language = {en} } @phdthesis{Che, author = {Che, Fei}, title = {The Socio-spatial transition of Beijing, in between communal space and associative space}, doi = {10.25643/bauhaus-universitaet.2436}, url = {http://nbn-resolving.de/urn:nbn:de:gbv:wim2-20150721-24368}, school = {Bauhaus-Universit{\"a}t Weimar}, pages = {290}, abstract = {Abstract In this research, based on socio-spatiality as the starting point, it has conducted extensive city space analysis to advance a new urban social space theory. Resting upon the basis of traditional continent philosophy, this social space theory has adopted the structuration methods, at the same time trying to build certain combination between theoretical frame work establishment and empirical observations. Therefore, the socio-spatial transition study is neither a macro theory of traditional structuralism nor a typology of urban planning theory, or a positivism social geography, but an operative theory on practical purpose. Firstly, what's distinct from the traditional structuralism is that this study examines the endless transiting structural relations, not macroscopic narrations of absolute definition and structure. In fact, any city and space are always co-existed in their structurational transiting relationship, thus research in transition has become the main body of this study. And case study is a must for research in transition, as part of efforts to apply the structuration concept into practice reason. Secondly, this study first establishes the fundamental structuration concept of socio-spatial transition, which, as an operative tool, is applied to conduct transition analysis on specific case about the City of Beijing. Therefore, as a social space theory, referring to as science, remains criticism of traditional continent philosophy. However, this criticism did not working on the level of ideology or conceptions, but on transiting under structural relations, keeping it from incompetent ideology criticism of continental critical theory. Unfortunately contemporary urban and space development have now gone extremely unbalanced under a background of globalization; yet traditional macro theories are incapable of either producing significant impact on practice or helping people identify practical problems. While facing general issues, particularly the Chinese urban issue category established on a meta-structured city mode, the micro-case study has plunged into dilemma for unknowing either to ask questions or to answer questions. Therefore, this study is set to identify dilemma and find direction for future relevant research. In this dissertation, Beijing is used as a model, and structuration methods as tools. It has extensively analyzed the social-spatial transition of the city space of Beijing, acquiring brand-new knowledge of its urban space development. It is helpful to an in-depth understanding of the city space development not only in Beijing, but also in many other cities that were influenced by the capital model of Beijing. Since the start of reform and opening-up, China has created a unique development mode of the new-styled metropolitan and urbanization in history. This research is expected to analyze or decode what China's urban development in between communal space and associative space.}, subject = {Stadtsoziologie}, language = {en} } @phdthesis{CamposMedina, author = {Campos Medina, Fernando}, title = {The Role of Individuals in Socio-Urban Exclusion : A case study on the School Institution in Santiago de Chile}, doi = {10.25643/bauhaus-universitaet.2388}, url = {http://nbn-resolving.de/urn:nbn:de:gbv:wim2-20150505-23888}, school = {Bauhaus-Universit{\"a}t Weimar}, pages = {184}, abstract = {This is a work concerned with the increasing processes of social exclusion in cities nowadays. In approaching this phenomenon, the research highlights how people interact with their institutional environments. This is also, perhaps centrally, an investigation into the possibility to engage an individual perspective to understand the transformation in urban experience, which is orienting society to new uses and forms of exclusion. Following the perspective deployed by the so-called "sociology of individuals" in French sociology or "reengagement of agency" in the Anglo-Saxon world; I claim that individuals as well as collectives are gaining increasing power to question and re-organize institutions. This re-organization, in the case of socio-urban institutions, is no guarantee for major levels in integration, cohesion, and equality. Unfortunately, social institutions are becoming hard in its exclusionary capabilities under people intervention during the last four decades. I believe that urban sociology is a field of struggle between different perspectives competing to "make sense" of social phenomena in cities. The orientation supported in this research is just one on many and it follows the roots of people and their life experiences within cities and how they influence the processes that shape the city. The last formulation is possibly not the clearest, because as we all know, references to "inhabitants" are presented in every variant of urban sociology. Nevertheless, there are not many variants focusing on peoples' capability to influence institutional environments and by this way affecting the urban condition in which they find themselves. The particular institution selected for this study is the "School". This thesis is organized around two parts: part one includes the conceptual framework, methodological approach, and historical contextualization; part two describes three case studies produced to analyse the forms of and the relations between individuals and school institution. Part one starts from a premise: within the context of declining welfare State in the case of industrialized countries, an important part of urban studies focuses on economic and spatial restructuration. Confronted with the same situation, a part of social sciences shifts to the individuals' agency and social uncertainty. This research is embedded in the last theoretical description presented above, thus, because it tries to observe urban processes from the perspective of the individual and outside of developed economies. In this sense, Latin America represents a fundamental reference because urban conditions are historically marked by weak institutional arrangements to integrating people and large levels of marginality and exclusion among population. In this scenario individuals' practices around inclusion-exclusion have an essential meaning in everyday life. Part two offers three study cases in which the relation between individuals and school institutions has been analyzed for the Metropolitan area of Santiago de Chile (MAS). Using different methodological resources an exhaustive account on three levels is presented: i) geo-referencing State intervention in public policies connected with neighborhood and schools to understand the form and extent of socio-urban exclusion in MAS, ii) narrative biographies applied to parents with children attending primary school, in order to reconstruct the familiar process of school selection and describing its impacts on the stabilization of school as an exclusionary device, and iii) autoethnography to describe in detail the temporal dimension involved in stabilizing actions which reinforces social mechanisms of urban integration-exclusion during the last three decades in Chile. A key argument advanced by this research proposes that: the way in which the idea of integration is enacted by people in their biographical careers imprints changes on the institutional orientation and by this way, contributes to the reorganization urban life. The high level of social exclusion in Santiago de Chile is not accountable without considering transformation in all socio-urban institutions, especially the school. No family considers social integration with people from a low social, economical or cultural background as relevant orientation for school selection. This particularity of the Chilean social reality is not derivable from any big capitalistic or modernization processes impacting our cities. Within the light of the thesis findings, I conclude that socio-urban institutions logics must be reassessment under the influences of people actions and representations. I also propose a consideration to major complementarities between urban studies and urban-institutions analysis. The school institutions is not just a sectorial field reserved to the researcher in education, on the contrary, it represent a key entrance to address people's experience in their institutional urban environments. The re-emergence of social and urban movements in 2010, under the "Arab Spring" or the "Chilean Student Movements", is not only a demonstration in the public space as result of major global trends. These situations are in essence, for this research, individuals gathering together and calling for recognition and autonomy inside institutional environment that tends to reject them. Similar situation was the focus of the Latin American urban sociology research, within the focus on grassroots and urban social movements at the end of the 1960s and beginning of the 1970s. In both cases, socio-urban institutions, unaware of recognition requirements claimed by inhabitants, are not beyond individual or collective reach. My main concern is to show that socio-urban institutions are constantly re-shaped as a result of individual action, what makes the difference, is the spirit that we all, socially, imprint on the logics of our socio-urban institutions, moving them to inclusion or exclusion.}, subject = {urban studies}, language = {en} } @inproceedings{HommelGuerlebeck, author = {Hommel, Angela and G{\"u}rlebeck, Klaus}, title = {THE RELATIONSHIP BETWEEN LINEAR ELASTICITY THEORY AND COMPLEX FUNCTION THEORY STUDIED ON THE BASIS OF FINITE DIFFERENCES}, series = {Digital Proceedings, International Conference on the Applications of Computer Science and Mathematics in Architecture and Civil Engineering : July 20 - 22 2015, Bauhaus-University Weimar}, booktitle = {Digital Proceedings, International Conference on the Applications of Computer Science and Mathematics in Architecture and Civil Engineering : July 20 - 22 2015, Bauhaus-University Weimar}, editor = {G{\"u}rlebeck, Klaus and Lahmer, Tom}, organization = {Bauhaus-Universit{\"a}t Weimar}, issn = {1611-4086}, doi = {10.25643/bauhaus-universitaet.2801}, url = {http://nbn-resolving.de/urn:nbn:de:gbv:wim2-20170314-28010}, pages = {6}, abstract = {It is well-known that the solution of the fundamental equations of linear elasticity for a homogeneous isotropic material in plane stress and strain state cases can be equivalently reduced to the solution of a biharmonic equation. The discrete version of the Theorem of Goursat is used to describe the solution of the discrete biharmonic equation by the help of two discrete holomorphic functions. In order to obtain a Taylor expansion of discrete holomorphic functions we introduce a basis of discrete polynomials which fulfill the so-called Appell property with respect to the discrete adjoint Cauchy-Riemann operator. All these steps are very important in the field of fracture mechanics, where stress and displacement fields in the neighborhood of singularities caused by cracks and notches have to be calculated with high accuracy. Using the sum representation of holomorphic functions it seems possible to reproduce the order of singularity and to determine important mechanical characteristics.}, subject = {Angewandte Informatik}, language = {en} } @inproceedings{Vasileva, author = {Vasileva, Iuliia}, title = {THE PROBLEM OF PARTIAL REINFORCING AN INTERFACE CRACK EDGE BY A RIGID PATCH PLATE UNDER IN-PLANE AND ANTIPLANE LOADS}, series = {Digital Proceedings, International Conference on the Applications of Computer Science and Mathematics in Architecture and Civil Engineering : July 20 - 22 2015, Bauhaus-University Weimar}, booktitle = {Digital Proceedings, International Conference on the Applications of Computer Science and Mathematics in Architecture and Civil Engineering : July 20 - 22 2015, Bauhaus-University Weimar}, editor = {G{\"u}rlebeck, Klaus and Lahmer, Tom}, organization = {Bauhaus-Universit{\"a}t Weimar}, issn = {1611-4086}, doi = {10.25643/bauhaus-universitaet.2824}, url = {http://nbn-resolving.de/urn:nbn:de:gbv:wim2-20170314-28242}, pages = {5}, abstract = {The stress state of a piecewise-homogeneous elastic body, which has a semi-infinite crack along the interface, under in-plane and antiplane loads is considered. One of the crack edges is reinforced by a rigid patch plate on a finite interval adjacent to the crack tip. The crack edges are loaded with specified stresses. The body is stretched at infinity by specified stresses. External forces with a given principal vector and moment act on the patch plate. The problem reduces to a Riemann-Hilbert boundary-value matrix problem with a piecewise-constant coefficient for two complex potentials in the plane case and for one in the antiplane case. The complex potentials are found explicitly using a Gaussian hypergeometric function. The stress state of the body close to the ends of the patch plate, one of which is also simultaneously the crack tip, is investigated. Stress intensity factors near the singular points are determined.}, subject = {Angewandte Informatik}, language = {en} } @phdthesis{Arkarapotiwong, author = {Arkarapotiwong, Piyadech}, title = {THE INVESTIGATION OF LIVING HERITAGE ATTRIBUTES IN LIVING HERITAGE SITES}, doi = {10.25643/bauhaus-universitaet.2408}, url = {http://nbn-resolving.de/urn:nbn:de:gbv:wim2-20150619-24086}, school = {Bauhaus-Universit{\"a}t Weimar}, pages = {303}, abstract = {The conservation of living heritage sites is a highly complex process. Two factors need careful consideration in order to achieve a balance in the management of such sites: the conservation demands of conservation experts for built heritage and the needs of local people for development of their heritage living space. The complexity of factors involved make for an interesting study of living heritage, taken up by this research in its main case study of the town of Nan in Thailand. Research into the historical background of Nan and its cultural heritage reveals a living heritage site, which is both unique and diverse. Present day Nan was examined using a variety of analysis tools, which were applied to data from interviews, empirical data, field surveys, and documents, in order to better understand the nature of the living heritage site and changing trends over time. Luang Prabang in Lao PDR, a World Heritage site since 1995, was also selected as a further case study with which to compare Nan's potential World Heritage status from a point of view of changes to living heritage attributes. The outcomes of the research indicate the importance of the management of the sites, which can be at risk of losing balance by focusing on one aspect of heritage to the detriment of the other. The conservation perspective, if allowed to dominate, as in Luang Prabang, can cause irreparable damage to the social fabric, where the development needs of the town are not met. This research concludes that a balance of power amongst stakeholders in the collaborative networks managing such sites is vital to sustaining a balance of living heritage attributes.}, subject = {Kulturerbe}, language = {en} } @article{BenZhaoZhangetal., author = {Ben, S. and Zhao, Jun-Hua and Zhang, Yancheng and Rabczuk, Timon}, title = {The interface strength and debonding for composite structures: review and recent developments}, series = {Composite Structures}, journal = {Composite Structures}, abstract = {The interface strength and debonding for composite structures: review and recent developments}, subject = {Angewandte Mathematik}, language = {en} } @inproceedings{Musial, author = {Musial, Michal}, title = {THE INFLUENCE OF CRACKS AND OVERESTIMATION ERRORS ON THE DEFLECTION OF THE REINFORCED CONCRETE BEAMS IN THE RIGID FINITE ELEMENT METHOD}, series = {Digital Proceedings, International Conference on the Applications of Computer Science and Mathematics in Architecture and Civil Engineering : July 20 - 22 2015, Bauhaus-University Weimar}, booktitle = {Digital Proceedings, International Conference on the Applications of Computer Science and Mathematics in Architecture and Civil Engineering : July 20 - 22 2015, Bauhaus-University Weimar}, editor = {G{\"u}rlebeck, Klaus and Lahmer, Tom}, organization = {Bauhaus-Universit{\"a}t Weimar}, issn = {1611-4086}, doi = {10.25643/bauhaus-universitaet.2814}, url = {http://nbn-resolving.de/urn:nbn:de:gbv:wim2-20170314-28142}, pages = {6}, abstract = {This article presents the Rigid Finite Element Method in the calculation of reinforced concrete beam deflection with cracks. Initially, this method was used in the shipbuilding industry. Later, it was adapted in the homogeneous calculations of the bar structures. In this method, rigid mass discs serve as an element model. In the flat layout, three generalized coordinates (two translational and one rotational) correspond to each disc. These discs are connected by elastic ties. The genuine idea is to take into account a discrete crack in the Rigid Finite Element Method. It consists in the suitable reduction of the rigidity in rotational ties located in the spots, where cracks occurred. The susceptibility of this tie results from the flexural deformability of the element and the occurrence of the crack. As part of the numerical analyses, the influence of cracks on the total deflection of beams was determined. Furthermore, the results of the calculations were compared to the results of the experiment. Overestimations of the calculated deflections against the measured deflections were found. The article specifies the size of the overestimation and describes its causes.}, subject = {Angewandte Informatik}, language = {en} } @inproceedings{VolkovKirschkeChelyshkovetal., author = {Volkov, Andrey and Kirschke, Heiko and Chelyshkov, Pavel and Sedov, Artem and Lysenko, Denis}, title = {THE CRITERIA'S SET WITH INVARIANT DESIGN BUILDING ELEMENTS ON THE BASE OF THREE IMPUTATIONS: "CONVENIENCE", "SAFETY" AND "ENERGY-EFFICIENCY"}, series = {Digital Proceedings, International Conference on the Applications of Computer Science and Mathematics in Architecture and Civil Engineering : July 20 - 22 2015, Bauhaus-University Weimar}, booktitle = {Digital Proceedings, International Conference on the Applications of Computer Science and Mathematics in Architecture and Civil Engineering : July 20 - 22 2015, Bauhaus-University Weimar}, editor = {G{\"u}rlebeck, Klaus and Lahmer, Tom}, organization = {Bauhaus-Universit{\"a}t Weimar}, issn = {1611-4086}, doi = {10.25643/bauhaus-universitaet.2795}, url = {http://nbn-resolving.de/urn:nbn:de:gbv:wim2-20170314-27956}, pages = {6}, abstract = {The paper deals with the formalization of the criteria for constructing building management systems. We consider three criteria - "convenience", "safety" and "energyefficiency". For each objective proposed method of calculation.}, subject = {Angewandte Informatik}, language = {en} } @article{GhorashiValizadehMohammadietal., author = {Ghorashi, Seyed Shahram and Valizadeh, Navid and Mohammadi, S. and Rabczuk, Timon}, title = {T-spline based XIGA for Fracture Analysis of Orthotropic Media}, series = {Computers \& Structures}, journal = {Computers \& Structures}, pages = {138 -- 146}, abstract = {T-spline based XIGA for Fracture Analysis of Orthotropic Media}, subject = {Angewandte Mathematik}, language = {en} } @misc{Luedtke, type = {Master Thesis}, author = {L{\"u}dtke, Cornelius}, title = {Systemidentifikation von Bauteilen mittels optischer Messmethoden}, doi = {10.25643/bauhaus-universitaet.2429}, url = {http://nbn-resolving.de/urn:nbn:de:gbv:wim2-20150706-24293}, school = {Bauhaus-Universit{\"a}t Weimar}, pages = {97}, abstract = {Im Rahmen der Forschung an Bauteil- und F{\"u}gestellend{\"a}mpfung wurden die Schwingungen der Bauteile bisher mit 1D-Laser-Vibrometern gemessen. Nun steht ein 3D-Laser-Scanner zur Verf{\"u}gung. Diese Arbeit besch{\"a}ftigt sich mit der Frage, ob mit dem 3D-Laser-Scanner bessere und weitere relevante Daten bei der Schwingungsmessung gewonnen werden k{\"o}nnen.}, subject = {Schwingung}, language = {de} } @inproceedings{GoebelOsburgLahmer, author = {G{\"o}bel, Luise and Osburg, Andrea and Lahmer, Tom}, title = {STUDY OF ANALYTICAL MODELS OF THE MECHANICAL BEHAVIOR OF POLYMER-MODIFIED CONCRETE}, series = {Digital Proceedings, International Conference on the Applications of Computer Science and Mathematics in Architecture and Civil Engineering : July 20 - 22 2015, Bauhaus-University Weimar}, booktitle = {Digital Proceedings, International Conference on the Applications of Computer Science and Mathematics in Architecture and Civil Engineering : July 20 - 22 2015, Bauhaus-University Weimar}, editor = {G{\"u}rlebeck, Klaus and Lahmer, Tom}, organization = {Bauhaus-Universit{\"a}t Weimar}, issn = {1611-4086}, doi = {10.25643/bauhaus-universitaet.2797}, url = {http://nbn-resolving.de/urn:nbn:de:gbv:wim2-20170314-27973}, pages = {9}, abstract = {Polymer modification of mortar and concrete is a widely used technique in order to improve their durability properties. Hitherto, the main application fields of such materials are repair and restoration of buildings. However, due to the constant increment of service life requirements and the cost efficiency, polymer modified concrete (PCC) is also used for construction purposes. Therefore, there is a demand for studying the mechanical properties of PCC and entitative differences compared to conventional concrete (CC). It is significant to investigate whether all the assumed hypotheses and existing analytical formulations about CC are also valid for PCC. In the present study, analytical models available in the literature are evaluated. These models are used for estimating mechanical properties of concrete. The investigated property in this study is the modulus of elasticity, which is estimated with respect to the value of compressive strength. One existing database was extended and adapted for polymer-modified concrete mixtures along with their experimentally measured mechanical properties. Based on the indexed data a comparison between model predictions and experiments was conducted by calculation of forecast errors.}, subject = {Angewandte Informatik}, language = {en} } @inproceedings{KavrakovTimmlerMorgenthal, author = {Kavrakov, Igor and Timmler, Hans-Georg and Morgenthal, Guido}, title = {STRUCTURAL OPTIMIZATION USING THE ENERGY METHOD WITH INTEGRAL MATERIAL BEHAVIOUR}, series = {Digital Proceedings, International Conference on the Applications of Computer Science and Mathematics in Architecture and Civil Engineering : July 20 - 22 2015, Bauhaus-University Weimar}, booktitle = {Digital Proceedings, International Conference on the Applications of Computer Science and Mathematics in Architecture and Civil Engineering : July 20 - 22 2015, Bauhaus-University Weimar}, editor = {G{\"u}rlebeck, Klaus and Lahmer, Tom}, organization = {Bauhaus-Universit{\"a}t Weimar}, issn = {1611-4086}, doi = {10.25643/bauhaus-universitaet.2806}, url = {http://nbn-resolving.de/urn:nbn:de:gbv:wim2-20170314-28065}, pages = {6}, abstract = {With the advances of the computer technology, structural optimization has become a prominent field in structural engineering. In this study an unconventional approach of structural optimization is presented which utilize the Energy method with Integral Material behaviour (EIM), based on the Lagrange's principle of minimum potential energy. The equilibrium condition with the EIM, as an alternative method for nonlinear analysis, is secured through minimization of the potential energy as an optimization problem. Imposing this problem as an additional constraint on a higher cost function of a structural property, a bilevel programming problem is formulated. The nested strategy of solution of the bilevel problem is used, treating the energy and the upper objective function as separate optimization problems. Utilizing the convexity of the potential energy, gradient based algorithms are employed for its minimization and the upper cost function is minimized using the gradient free algorithms, due to its unknown properties. Two practical examples are considered in order to prove the efficiency of the method. The first one presents a sizing problem of I steel section within encased composite cross section, utilizing the material nonlinearity. The second one is a discrete shape optimization of a steel truss bridge, which is compared to a previous study based on the Finite Element Method.}, subject = {Angewandte Informatik}, language = {en} } @phdthesis{Vu, author = {Vu, Bac Nam}, title = {Stochastic uncertainty quantification for multiscale modeling of polymeric nanocomposites}, doi = {10.25643/bauhaus-universitaet.2555}, url = {http://nbn-resolving.de/urn:nbn:de:gbv:wim2-20160322-25551}, school = {Bauhaus-Universit{\"a}t Weimar}, pages = {265}, abstract = {Nanostructured materials are extensively applied in many fields of material science for new industrial applications, particularly in the automotive, aerospace industry due to their exceptional physical and mechanical properties. Experimental testing of nanomaterials is expensive, timeconsuming,challenging and sometimes unfeasible. Therefore,computational simulations have been employed as alternative method to predict macroscopic material properties. The behavior of polymeric nanocomposites (PNCs) are highly complex. The origins of macroscopic material properties reside in the properties and interactions taking place on finer scales. It is therefore essential to use multiscale modeling strategy to properly account for all large length and time scales associated with these material systems, which across many orders of magnitude. Numerous multiscale models of PNCs have been established, however, most of them connect only two scales. There are a few multiscale models for PNCs bridging four length scales (nano-, micro-, meso- and macro-scales). In addition, nanomaterials are stochastic in nature and the prediction of macroscopic mechanical properties are influenced by many factors such as fine-scale features. The predicted mechanical properties obtained by traditional approaches significantly deviate from the measured values in experiments due to neglecting uncertainty of material features. This discrepancy is indicated that the effective macroscopic properties of materials are highly sensitive to various sources of uncertainty, such as loading and boundary conditions and material characteristics, etc., while very few stochastic multiscale models for PNCs have been developed. Therefore, it is essential to construct PNC models within the framework of stochastic modeling and quantify the stochastic effect of the input parameters on the macroscopic mechanical properties of those materials. This study aims to develop computational models at four length scales (nano-, micro-, meso- and macro-scales) and hierarchical upscaling approaches bridging length scales from nano- to macro-scales. A framework for uncertainty quantification (UQ) applied to predict the mechanical properties of the PNCs in dependence of material features at different scales is studied. Sensitivity and uncertainty analysis are of great helps in quantifying the effect of input parameters, considering both main and interaction effects, on the mechanical properties of the PNCs. To achieve this major goal, the following tasks are carried out: At nano-scale, molecular dynamics (MD) were used to investigate deformation mechanism of glassy amorphous polyethylene (PE) in dependence of temperature and strain rate. Steered molecular dynamics (SMD)were also employed to investigate interfacial characteristic of the PNCs. At mico-scale, we developed an atomistic-based continuum model represented by a representative volume element (RVE) in which the SWNT's properties and the SWNT/polymer interphase are modeled at nano-scale, the surrounding polymer matrix is modeled by solid elements. Then, a two-parameter model was employed at meso-scale. A hierarchical multiscale approach has been developed to obtain the structure-property relations at one length scale and transfer the effect to the higher length scales. In particular, we homogenized the RVE into an equivalent fiber. The equivalent fiber was then employed in a micromechanical analysis (i.e. Mori-Tanaka model) to predict the effective macroscopic properties of the PNC. Furthermore, an averaging homogenization process was also used to obtain the effective stiffness of the PCN at meso-scale. Stochastic modeling and uncertainty quantification consist of the following ingredients: - Simple random sampling, Latin hypercube sampling, Sobol' quasirandom sequences, Iman and Conover's method (inducing correlation in Latin hypercube sampling) are employed to generate independent and dependent sample data, respectively. - Surrogate models, such as polynomial regression, moving least squares (MLS), hybrid method combining polynomial regression and MLS, Kriging regression, and penalized spline regression, are employed as an approximation of a mechanical model. The advantage of the surrogate models is the high computational efficiency and robust as they can be constructed from a limited amount of available data. - Global sensitivity analysis (SA) methods, such as variance-based methods for models with independent and dependent input parameters, Fourier-based techniques for performing variance-based methods and partial derivatives, elementary effects in the context of local SA, are used to quantify the effects of input parameters and their interactions on the mechanical properties of the PNCs. A bootstrap technique is used to assess the robustness of the global SA methods with respect to their performance. In addition, the probability distribution of mechanical properties are determined by using the probability plot method. The upper and lower bounds of the predicted Young's modulus according to 95 \% prediction intervals were provided. The above-mentioned methods study on the behaviour of intact materials. Novel numerical methods such as a node-based smoothed extended finite element method (NS-XFEM) and an edge-based smoothed phantom node method (ES-Phantom node) were developed for fracture problems. These methods can be used to account for crack at macro-scale for future works. The predicted mechanical properties were validated and verified. They show good agreement with previous experimental and simulations results.}, subject = {Polymere}, language = {en} } @misc{Almasi, type = {Master Thesis}, author = {Almasi, Ashkan}, title = {Stochastic Analysis of Interfacial Effects on the Polymeric Nanocomposites}, doi = {10.25643/bauhaus-universitaet.2433}, url = {http://nbn-resolving.de/urn:nbn:de:gbv:wim2-20150709-24339}, school = {Bauhaus-Universit{\"a}t Weimar}, abstract = {The polymeric clay nanocomposites are a new class of materials of which recently have become the centre of attention due to their superior mechanical and physical properties. Several studies have been performed on the mechanical characterisation of these nanocomposites; however most of those studies have neglected the effect of the interfacial region between the clays and the matrix despite of its significant influence on the mechanical performance of the nanocomposites. There are different analytical methods to calculate the overall elastic material properties of the composites. In this study we use the Mori-Tanaka method to determine the overall stiffness of the composites for simple inclusion geometries of cylinder and sphere. Furthermore, the effect of interphase layer on the overall properties of composites is calculated. Here, we intend to get ounds for the effective mechanical properties to compare with the analytical results. Hence, we use linear displacement boundary conditions (LD) and uniform traction boundary conditions (UT) accordingly. Finally, the analytical results are compared with numerical results and they are in a good agreement. The next focus of this dissertation is a computational approach with a hierarchical multiscale method on the mesoscopic level. In other words, in this study we use the stochastic analysis and computational homogenization method to analyse the effect of thickness and stiffness of the interfacial region on the overall elastic properties of the clay/epoxy nanocomposites. The results show that the increase in interphase thickness, reduces the stiffness of the clay/epoxy naocomposites and this decrease becomes significant in higher clay contents. The results of the sensitivity analysis prove that the stiffness of the interphase layer has more significant effect on the final stiffness of nanocomposites. We also validate the results with the available experimental results from the literature which show good agreement.}, language = {en} } @phdthesis{Aurin, author = {Aurin, Ingo}, title = {Spurencodierung und Ber{\"u}hrungsmessung}, doi = {10.25643/bauhaus-universitaet.2397}, url = {http://nbn-resolving.de/urn:nbn:de:gbv:wim2-20150526-23975}, school = {Bauhaus-Universit{\"a}t Weimar}, pages = {148}, abstract = {In der vorliegenden Ph.D.-Arbeit werden die Bereiche Materialit{\"a}t, Objektkultur und Physical Computing adressiert. Der Autor erkennt nun durch die durchlaufene intensive theoretische Betrachtungsweise des Themas Materialit{\"a}t die Bedeutung von Tastsinn und Objektoberfl{\"a}chen f{\"u}r den Alltag des praktizierenden Gestalters und proklamiert eine Wende und Hinwendung der Designpraxis zu den Potenzialen von Materialit{\"a}t und deren Bedeutung f{\"u}r die Akteure. Die Aufgabe der Praxisforschung ist es, eine inklusive Optimierungsmethode des Produktdesigns zu gestalten, mit der Designentwicklungen durch {\"u}berpr{\"u}fbare Nutzungsdaten optimiert werden k{\"o}nnen. Die taktile Pilotmethode ergab auf Basis der Generierung von Nutzerkarten Erkenntnisse {\"u}ber biometrische Werte, individuelle K{\"o}rpergr{\"o}ßen und unterschiedliche Handhabungsprinzipien.}, subject = {Materialit{\"a}t}, language = {de} } @inproceedings{Vieira, author = {Vieira, Nelson}, title = {SOME RESULTS IN FRACTIONAL CLIFFORD ANALYSIS}, series = {Digital Proceedings, International Conference on the Applications of Computer Science and Mathematics in Architecture and Civil Engineering : July 20 - 22 2015, Bauhaus-University Weimar}, booktitle = {Digital Proceedings, International Conference on the Applications of Computer Science and Mathematics in Architecture and Civil Engineering : July 20 - 22 2015, Bauhaus-University Weimar}, editor = {G{\"u}rlebeck, Klaus and Lahmer, Tom}, organization = {Bauhaus-Universit{\"a}t Weimar}, issn = {1611-4086}, doi = {10.25643/bauhaus-universitaet.2825}, url = {http://nbn-resolving.de/urn:nbn:de:gbv:wim2-20170314-28256}, pages = {6}, abstract = {What is nowadays called (classic) Clifford analysis consists in the establishment of a function theory for functions belonging to the kernel of the Dirac operator. While such functions can very well describe problems of a particle with internal SU(2)-symmetries, higher order symmetries are beyond this theory. Although many modifications (such as Yang-Mills theory) were suggested over the years they could not address the principal problem, the need of a n-fold factorization of the d'Alembert operator. In this paper we present the basic tools of a fractional function theory in higher dimensions, for the transport operator (alpha = 1/2 ), by means of a fractional correspondence to the Weyl relations via fractional Riemann-Liouville derivatives. A Fischer decomposition, fractional Euler and Gamma operators, monogenic projection, and basic fractional homogeneous powers are constructed.}, subject = {Angewandte Informatik}, language = {en} } @inproceedings{Karaki, author = {Karaki, Ghada}, title = {SELECTION AND SCALING OF GROUND MOTION RECORDS FOR SEISMIC ANALYSIS USING AN OPTIMIZATION ALGORITHM}, series = {Digital Proceedings, International Conference on the Applications of Computer Science and Mathematics in Architecture and Civil Engineering : July 20 - 22 2015, Bauhaus-University Weimar}, booktitle = {Digital Proceedings, International Conference on the Applications of Computer Science and Mathematics in Architecture and Civil Engineering : July 20 - 22 2015, Bauhaus-University Weimar}, editor = {G{\"u}rlebeck, Klaus and Lahmer, Tom}, organization = {Bauhaus-Universit{\"a}t Weimar}, issn = {1611-4086}, doi = {10.25643/bauhaus-universitaet.2805}, url = {http://nbn-resolving.de/urn:nbn:de:gbv:wim2-20170314-28058}, pages = {7}, abstract = {The nonlinear time history analysis and seismic performance based methods require a set of scaled ground motions. The conventional procedure of ground motion selection is based on matching the motion properties, e.g. magnitude, amplitude, fault distance, and fault mechanism. The seismic target spectrum is only used in the scaling process following the random selection process. Therefore, the aim of the paper is to present a procedure to select a sets of ground motions from a built database of ground motions. The selection procedure is based on running an optimization problem using Dijkstra's algorithm to match the selected set of ground motions to a target response spectrum. The selection and scaling procedure of optimized sets of ground motions is presented by examining the analyses of nonlinear single degree of freedom systems.}, subject = {Angewandte Informatik}, language = {en} } @inproceedings{TanLahmerSiddappa, author = {Tan, Fengjie and Lahmer, Tom and Siddappa, Manju Gyaraganahalll}, title = {SECTION OPTIMIZATION AND RELIABILITY ANALYSIS OF ARCH-TYPE DAMS INCLUDING COUPLED MECHANICAL-THERMAL AND HYDRAULIC FIELDS}, series = {Digital Proceedings, International Conference on the Applications of Computer Science and Mathematics in Architecture and Civil Engineering : July 20 - 22 2015, Bauhaus-University Weimar}, booktitle = {Digital Proceedings, International Conference on the Applications of Computer Science and Mathematics in Architecture and Civil Engineering : July 20 - 22 2015, Bauhaus-University Weimar}, editor = {G{\"u}rlebeck, Klaus and Lahmer, Tom}, organization = {Bauhaus-Universit{\"a}t Weimar}, issn = {1611-4086}, doi = {10.25643/bauhaus-universitaet.2821}, url = {http://nbn-resolving.de/urn:nbn:de:gbv:wim2-20170314-28212}, pages = {8}, abstract = {From the design experiences of arch dams in the past, it has significant practical value to carry out the shape optimization of arch dams, which can fully make use of material characteristics and reduce the cost of constructions. Suitable variables need to be chosen to formulate the objective function, e.g. to minimize the total volume of the arch dam. Additionally a series of constraints are derived and a reasonable and convenient penalty function has been formed, which can easily enforce the characteristics of constraints and optimal design. For the optimization method, a Genetic Algorithm is adopted to perform a global search. Simultaneously, ANSYS is used to do the mechanical analysis under the coupling of thermal and hydraulic loads. One of the constraints of the newly designed dam is to fulfill requirements on the structural safety. Therefore, a reliability analysis is applied to offer a good decision supporting for matters concerning predictions of both safety and service life of the arch dam. By this, the key factors which would influence the stability and safety of arch dam significantly can be acquired, and supply a good way to take preventive measures to prolong ate the service life of an arch dam and enhances the safety of structure.}, subject = {Angewandte Informatik}, language = {en} } @periodical{OPUS4-4853, title = {Schwerpunkt Textil}, volume = {2015}, number = {6.2015, Heft 1}, editor = {Engell, Lorenz and Siegert, Bernhard}, publisher = {Felix Meiner Verlag}, address = {Hamburg}, organization = {Internationales Kolleg f{\"u}r Kulturtechnikforschung und Medienphilosophie}, issn = {2366-0767}, doi = {10.28937/ZMK-6-1}, url = {http://nbn-resolving.de/urn:nbn:de:gbv:wim2-20240507-48536}, pages = {191}, abstract = {Textil: Der Titel des Schwerpunkts der vorliegenden Ausgabe der ZMK kann ein Ding, ein Material oder eine Eigenschaft bezeichnen. Als Eigenschaftswort spezifiziert textil indes nicht nur bestimmte K{\"u}nste n{\"a}her (den Begriff der textilen Kunst gibt es sp{\"a}testens seit Gottfried Semper) und umfasst so die Weberei, die Stickerei, das Flechten, Knoten, Stricken, H{\"a}keln, Wirken und vieles andere mehr (Semper zufolge auch die Anf{\"a}nge der Baukunst), sondern neuerdings auch Medien. Die Rede von den »textilen Medien« zielt offenbar auf einen anderen Aspekt des Medienbegriffs als denjenigen, der von der Trias »Speichern, {\"U}bertragen, Verarbeiten« gebildet wird, n{\"a}mlich auf das Material, nicht auf die Funktion. Nun kann man einerseits diesen Medienbegriff einfach, wie etwa im Bereich der Kunstgeschichte {\"u}blich, im Sinne der Materialit{\"a}t eines Bildtr{\"a}gers verstehen. Andererseits jedoch lenkt die Rede von den »textilen Medien«, indem sie die Materialit{\"a}t anstelle der Funktionalit{\"a}t betont, den Fokus auf eine spezifische Medialit{\"a}t des Textilen und dar{\"u}ber hinaus auf eine Medialit{\"a}t des Materials {\"u}berhaupt. Eben darin liegt der Grund f{\"u}r die seit einigen Jahren zu beobachtende enorme Konjunktur des Textilen in so unterschiedlichen Bereichen wie der Kunst, der Kunstwissenschaft oder der Technik- und Sozialanthropologie. In der Kunst{\"o}ffentlichkeit belegen eine Reihe von Ausstellungen diese Konjunktur, wie zum Beispiel »Kunst \& Textil« in Wolfsburg, »Textiles: Open Letter« in M{\"o}nchengladbach, »Decorum. Tapis et Tapisseries d'Artistes« in Paris, »Soft Pictures« in Turin oder »To Open Eyes. Kunst und Textil vom Bauhaus bis heute« in Bielefeld. ...}, subject = {Medienwissenschaft}, language = {de} } @periodical{OPUS4-4854, title = {Schwerpunkt Sendung}, volume = {2015}, number = {6.2015, Heft 2}, editor = {Engell, Lorenz and Siegert, Bernhard}, publisher = {Felix Meiner Verlag}, address = {Hamburg}, organization = {Internationales Kolleg f{\"u}r Kulturtechnikforschung und Medienphilosophie}, issn = {2366-0767}, doi = {10.28937/ZMK-6-2}, url = {http://nbn-resolving.de/urn:nbn:de:gbv:wim2-20240507-48543}, pages = {177}, abstract = {Auch die Zeitschrift f{\"u}r Medien- und Kulturforschung erreicht ihre Leserinnen und Leser als Sendung, als Postgut auf dem Wege der Zustellung n{\"a}mlich. Wer immer sie liest, hat also mit der Sendung zu tun. Allein das schon ist ein Grund, sich mit der Sendung zu befassen. Und ein gewichtiger Grund dazu: Ph{\"a}nomen und Begriff der Sendung haben, das leuchtet schon intuitiv jeder Postkundin, jedem Radioh{\"o}rer, jedem Gottesdienstbesucher und jeder Goethe-Leserin ein, eine enorme medienwissenschaftliche Relevanz. Als empirischen, kulturtechnischen Sachverhalt kann man die Sendung - also etwa diese Ausgabe der ZMK - physisch in H{\"a}nden halten (oder auch nicht, wenn die Postsache nicht ankommt), annehmen oder zur{\"u}ckweisen, man kann sie technisch, etwa als Druck- und Redaktionserzeugnis herstellen, sie aufgeben und abholen, verwalten und organisieren, sie bewirtschaften - aber die Sendung l{\"a}sst sich auch f{\"u}hlen, versp{\"u}ren und bemerken, erf{\"u}llen und verfehlen, kann bewegen und ber{\"u}hren oder eben unber{\"u}hrt lassen. Ganz real affiziert und attachiert sie, richtet aus und sendet selbst. Als medienphilosophisches Konzept genommen, besitzt die Sendung folglich das Potential zur Entfaltung komplexer Grundannahmen der Medientheorie und zugleich zu ihrer reduzierenden B{\"u}ndelung und Einfassung. Sie verbindet und durchkreuzt ganz grunds{\"a}tzlich das begrifflich sorgsam Getrennte, zum Beispiel das Heilige und das Profane, das Materielle und das Immaterielle, das Aktive und das Passive. Sie ist darin ein genuin medienwissenschaftlicher Leitbegriff, an dem sich die gesamte Breite dessen, was Medium sein kann, entfalten l{\"a}sst, von der Religion bis zum Massenmedium, von der Politik bis zum Postboten, von der Infrastruktur bis zur Entr{\"u}ckung. Sie erzeugt zudem in all ihrer Materialit{\"a}t mannigfaltige paradoxe und reflexive Verl{\"a}ufe - die Sendung {\"u}berhaupt zu denken, heißt deshalb nicht zuletzt, selber senden und gesandt werden.}, subject = {Medienwissenschaft}, language = {de} } @inproceedings{BargstaedtTarigan, author = {Bargst{\"a}dt, Hans-Joachim and Tarigan, Rina Sari}, title = {RULE BASED EXPANSION OF STANDARD CONSTRUCTION PROCESSES}, series = {Digital Proceedings, International Conference on the Applications of Computer Science and Mathematics in Architecture and Civil Engineering : July 20 - 22 2015, Bauhaus-University Weimar}, booktitle = {Digital Proceedings, International Conference on the Applications of Computer Science and Mathematics in Architecture and Civil Engineering : July 20 - 22 2015, Bauhaus-University Weimar}, editor = {G{\"u}rlebeck, Klaus and Lahmer, Tom}, organization = {Bauhaus-Universit{\"a}t Weimar}, issn = {1611-4086}, doi = {10.25643/bauhaus-universitaet.2822}, url = {http://nbn-resolving.de/urn:nbn:de:gbv:wim2-20170314-28229}, pages = {6}, abstract = {The paper introduces a systematic construction management approach, supporting expansion of a specified construction process, both automatically and semi-automatically. Throughout the whole design process, many requirements must be taken into account in order to fulfil demands defined by clients. In implementing those demands into a design concept up to the execution plan, constraints such as site conditions, building code, and legal framework are to be considered. However, complete information, which is needed to make a sound decision, is not yet acquired in the early phase. Decisions are traditionally taken based on experience and assumptions. Due to a vast number of appropriate available solutions, particularly in building projects, it is necessary to make those decisions traceable. This is important in order to be able to reconstruct considerations and assumptions taken, should there be any changes in the future project's objectives. The research will be carried out by means of building information modelling, where rules deriving from standard logics of construction management knowledge will be applied. The knowledge comprises a comprehensive interaction amongst bidding process, cost-estimation, construction site preparation as well as specific project logistics - which are usually still separately considered. By means of these rules, favourable decision taking regarding prefabrication and in-situ implementation can be justified. Modifications depending on the available information within current design stage will consistently be traceable.}, subject = {Angewandte Informatik}, language = {en} } @phdthesis{Elzanowski, author = {Elzanowski, Jerzy}, title = {Ruin conversions : violence, architecture and commemoration in post-1944 Warsaw}, doi = {10.14288/1.0166955}, school = {Bauhaus-Universit{\"a}t Weimar}, abstract = {Promotion an der Bauhaus-Universit{\"a}t Weimar (Dr. phil.) und zugleich PhD an der University of British Columbia Vancouver. 2015 auf dem Server der University of British Columbia mit Embargo ver{\"o}ffentlicht. Das Embargo wird immer wieder verl{\"a}ngert. Aktuell: This item is embargoed until 2026-06-30, you need to request access to be able to view the item's media before that date.}, subject = {Umwandlung}, language = {en} } @inproceedings{HartmannSmarslyLahmer, author = {Hartmann, Veronika and Smarsly, Kay and Lahmer, Tom}, title = {ROBUST SCHEDULING IN CONSTRUCTION ENGINEERING}, series = {Digital Proceedings, International Conference on the Applications of Computer Science and Mathematics in Architecture and Civil Engineering : July 20 - 22 2015, Bauhaus-University Weimar}, booktitle = {Digital Proceedings, International Conference on the Applications of Computer Science and Mathematics in Architecture and Civil Engineering : July 20 - 22 2015, Bauhaus-University Weimar}, editor = {G{\"u}rlebeck, Klaus and Lahmer, Tom}, organization = {Bauhaus-Universit{\"a}t Weimar}, issn = {1611-4086}, doi = {10.25643/bauhaus-universitaet.2799}, url = {http://nbn-resolving.de/urn:nbn:de:gbv:wim2-20170314-27994}, pages = {5}, abstract = {In construction engineering, a schedule's input data, which is usually not exactly known in the planning phase, is considered deterministic when generating the schedule. As a result, construction schedules become unreliable and deadlines are often not met. While the optimization of construction schedules with respect to costs and makespan has been a matter of research in the past decades, the optimization of the robustness of construction schedules has received little attention. In this paper, the effects of uncertainties inherent to the input data of construction schedules are discussed. Possibilities are investigated to improve the reliability of construction schedules by considering alternative processes for certain tasks and by identifying the combination of processes generating the most robust schedule with respect to the makespan of a construction project.}, subject = {Angewandte Informatik}, language = {en} } @inproceedings{d’Almeida, author = {d'Almeida, Patr{\´i}cia Bento}, title = {Restelo Neighbourhood: Expanding the Capital of the Empire with the First Portuguese Urban Planner}, series = {Urban design and dictatorship in the 20th century: Italy, Portugal, the Soviet Union, Spain and Germany. History and Historiography}, booktitle = {Urban design and dictatorship in the 20th century: Italy, Portugal, the Soviet Union, Spain and Germany. History and Historiography}, doi = {10.25643/bauhaus-universitaet.2380}, url = {http://nbn-resolving.de/urn:nbn:de:gbv:wim2-20150416-23802}, pages = {1 -- 13}, abstract = {Beitr{\"a}ge zum Symposium „Urban design and dictatorship in the 20th century: Italy, Portugal, the Soviet Union, Spain and Germany. History and Historiography". Weimar, 21.-22. November 2013}, subject = {St{\"a}dtebau}, language = {en} } @inproceedings{Cravo, author = {Cravo, Salete A. F.}, title = {Restelo in Lisbon - The Non-implementation of the Original Urban Design by Faria da Costa during the Dictatorship of Ant{\´o}nio de Oliveira Salazar}, series = {Urban design and dictatorship in the 20th century: Italy, Portugal, the Soviet Union, Spain and Germany. History and Historiography}, booktitle = {Urban design and dictatorship in the 20th century: Italy, Portugal, the Soviet Union, Spain and Germany. History and Historiography}, doi = {10.25643/bauhaus-universitaet.2411}, url = {http://nbn-resolving.de/urn:nbn:de:gbv:wim2-20150619-24111}, pages = {1 -- 17}, abstract = {Beitr{\"a}ge zum Symposium „Urban design and dictatorship in the 20th century: Italy, Portugal, the Soviet Union, Spain and Germany. History and Historiography". Weimar, 21.-22. November 2013}, subject = {St{\"a}dtebau}, language = {en} } @book{OPUS4-2531, title = {Rehabilitation von Rohrleitungen : Sanierung und Erneuerung von Ver- und Entsorgungsnetzen}, volume = {2015}, edition = {3. Auflage (erweitert)}, publisher = {Bauhaus-Universit{\"a}tsverlag als Imprint von VDG Weimar}, address = {Kromsdorf}, organization = {Weiterbildendes Studium Wasser und Umwelt, Bauhaus-Universit{\"a}t Weimar}, isbn = {978-3-95773-181-4}, doi = {10.25643/bauhaus-universitaet.2531}, url = {http://nbn-resolving.de/urn:nbn:de:gbv:wim2-20160215-25311}, pages = {420}, abstract = {Entwickelt im Zuge des Weiterbildenden Studiums Wasser und Umwelt der Bauhaus-Universit{\"a}t Weimar ; Lehrmaterial Fernstudiengang Wasser und Umwelt an der Bauhaus-Universit{\"a}t Weimar}, subject = {Rohrnetz}, language = {de} } @inproceedings{Grigor'ev, author = {Grigor'ev, Yuri}, title = {REGULAR QUATERNIONIC FUNCTIONS AND THEIR APPLICATIONS}, series = {Digital Proceedings, International Conference on the Applications of Computer Science and Mathematics in Architecture and Civil Engineering : July 20 - 22 2015, Bauhaus-University Weimar}, booktitle = {Digital Proceedings, International Conference on the Applications of Computer Science and Mathematics in Architecture and Civil Engineering : July 20 - 22 2015, Bauhaus-University Weimar}, editor = {G{\"u}rlebeck, Klaus and Lahmer, Tom}, organization = {Bauhaus-Universit{\"a}t Weimar}, issn = {1611-4086}, doi = {10.25643/bauhaus-universitaet.2798}, url = {http://nbn-resolving.de/urn:nbn:de:gbv:wim2-20170314-27988}, pages = {6}, abstract = {The theory of regular quaternionic functions of a reduced quaternionic variable is a 3-dimensional generalization of complex analysis. The Moisil-Theodorescu system (MTS) is a regularity condition for such functions depending on the radius vector r = ix+jy+kz seen as a reduced quaternionic variable. The analogues of the main theorems of complex analysis for the MTS in quaternion forms are established: Cauchy, Cauchy integral formula, Taylor and Laurent series, approximation theorems and Cauchy type integral properties. The analogues of positive powers (inner spherical monogenics) are investigated: the set of recurrence formulas between the inner spherical monogenics and the explicit formulas are established. Some applications of the regular function in the elasticity theory and hydrodynamics are given.}, subject = {Angewandte Informatik}, language = {en} } @article{KonichNikitinKlimenkoetal., author = {Konich, Kira and Nikitin, Igor and Klimenko, Stanislav and Malofeev, Valery and Tyul'bashev, Sergey}, title = {Radio Astronomical Monitoring in Virtual Environment}, series = {Procedia Computer Science}, journal = {Procedia Computer Science}, doi = {10.1016/j.procs.2015.11.067}, url = {http://nbn-resolving.de/urn:nbn:de:gbv:wim2-20170425-31431}, pages = {592 -- 601}, abstract = {We present StarWatch, our application for real-time analysis of radio astronomical data in Virtual Environment. Serving as an interface to radio astronomical databases or being applied to live data from the radio telescopes, the application supports various data filters measuring signal-to-noise ratio (SNR), Doppler's drift, degree of signal localization on celestial sphere and other useful tools for signal extraction and classification. Originally designed for the database of narrow band signals from SETI Institute (setilive.org), the application has been recently extended for the detection of wide band periodic signals, necessary for the search of pulsars. We will also address the detection of week signals possessing arbitrary waveforms and present several data filters suitable for this purpose.}, subject = {Virtuelle Realit{\"a}t}, language = {en} } @inproceedings{MartinezSotoJentsch, author = {Martinez Soto, Aner and Jentsch, Mark F.}, title = {Quantifizierung der langfristigen Entwicklung des Nutzungsgrades von Anlagen und Ger{\"a}ten im Wohnungssektor in Deutschland und Bestimmung zuk{\"u}nftiger Energieeinsparpotenziale im Hinblick auf die Klimaschutzziele der Bundesregierung}, series = {Bauphysiktage Kaiserslautern 2015, Kaiserslautern, 21-22 Oktober 2015}, booktitle = {Bauphysiktage Kaiserslautern 2015, Kaiserslautern, 21-22 Oktober 2015}, editor = {Kornadt, Oliver}, edition = {Zweitver{\"o}ffentlichung}, publisher = {Eigenverlag der Technischen Universit{\"a}t Kaiserslautern}, address = {Kaiserslautern}, doi = {10.25643/bauhaus-universitaet.3106}, url = {http://nbn-resolving.de/urn:nbn:de:gbv:wim2-20170516-31067}, pages = {137-141}, abstract = {Etwa ein Viertel des gesamten Endenergieverbrauchs (26\%) in Deutschland entf{\"a}llt auf den Wohnungssektor, wodurch dieser Sektor einen erheblichen Anteil am m{\"o}glichen Einsparpotenzial an Energie hat. Im Hinblick auf das Klimaschutzziel der Europ{\"a}ischen Union, die Energieeffizienz im Vergleich zu 1990 um 20\% zu erh{\"o}hen, stellt sich daher die Frage, welche Einsparpotenziale es im Wohnungssektor tats{\"a}chlich gibt und wie diese quantifiziert werden k{\"o}nnen. In dieser Arbeit wird der Einfluss der Parameter, die den Endenergieverbrauch beeinflussen, mit Hilfe einer Sensitivit{\"a}tsanalyse bestimmt. Die Ergebnisse der Sensitivit{\"a}tsanalyse zeigen, dass die einflussreichsten Parameter auf den Endenergieverbrauch der Innentemperaturbedarf, die L{\"a}nge der Heizperiode, die Außentemperatur (Gradtagzahl) und die Anzahl der Wohnungen sind. Dies sind Variablen, die nicht durch Verordnungen reguliert werden k{\"o}nnen. Der einzige Parameter, der regulierbar ist und einen bedeutenden Einfluss auf den Endenergieverbrauch hat, ist der Nutzungsgrad der Anlagen/Ger{\"a}te f{\"u}r Raumw{\"a}rme, Warmwasser und Kochen (sowie zu einem geringen Teil der Wirkungsgrad der eingesetzten Beleuchtung). Zur Quantifizierung des Energieeinsparpotentials im deutschen Wohnungssektor bez{\"u}glich des Nutzungsgrades wurden in dieser Arbeit Daten zur Bestimmung der langfristigen Entwicklung (Zeitraum 1990-2010) des Nutzungsgrades von Anlagen und Ger{\"a}ten analysiert. Mit verschiedenen Angaben aus der Literatur und mit Hilfe von S{\"a}ttigungskurven wurde die Entwicklung der Nutzugsgrade der Anlagen/Ger{\"a}te entsprechend der Energiequellen zwischen 1990 und 2010 ermittelt. Die erhaltenden S{\"a}ttigungskurven erm{\"o}glichen die Bestimmung der Entwicklung des Nutzenergieverbrauchs im deutschen Wohnungssektor. Hierbei wurde festgestellt, dass die Differenz zwischen Nutzenergieverbrauch und Endenergieverbrauch einen R{\"u}ckgang von 12 \% im betrachtenden Zeitraum verzeichnete und dass das Energieeinsparpotenzial in Abh{\"a}ngigkeit von der Energiequelle betr{\"a}chtlich variieren kann (um derzeit mehr als 35\%-Punkte). Im Hinblick auf das oben genannte Klimaschutzziel werden in dieser Arbeit verschiedene Entwicklungsszenarien auf Basis des Nutzungsgrades der Anlagen und der Energiequellen analysiert. Hierbei wird deutlich, dass das theoretische Energieeinsparpotenzial im deutschen Wohnungssektor bez{\"u}glich des durchschnittlichen Nutzungsgrades nur zwischen 4 und 15 \% liegt. Dies bedeutet, dass eine deutliche Reduktion des Endenergiebedarfs im Wohnungssektor nur stattfinden kann, wenn andere Energieeinsparmaßnahmen betrachtet werden. Basierend auf den Ergebnissen der Sensitivit{\"a}tsanalyse werden hierzu Empfehlungen gegeben.}, subject = {Wohnung}, language = {de} } @inproceedings{AlmamouGebhardtBocketal., author = {Almamou, Abd Albasset and Gebhardt, Thomas and Bock, Sebastian and Hildebrand, J{\"o}rg and Schwarz, Willfried}, title = {QUALITY CONTROL OF CONSTRUCTED MODELS USING 3D POINT CLOUD}, series = {Digital Proceedings, International Conference on the Applications of Computer Science and Mathematics in Architecture and Civil Engineering : July 20 - 22 2015, Bauhaus-University Weimar}, booktitle = {Digital Proceedings, International Conference on the Applications of Computer Science and Mathematics in Architecture and Civil Engineering : July 20 - 22 2015, Bauhaus-University Weimar}, editor = {G{\"u}rlebeck, Klaus and Lahmer, Tom}, organization = {Bauhaus-Universit{\"a}t Weimar}, issn = {1611-4086}, doi = {10.25643/bauhaus-universitaet.2794}, url = {http://nbn-resolving.de/urn:nbn:de:gbv:wim2-20170314-27944}, pages = {9}, abstract = {Over the last decade, the technology of constructing buildings has been dramatically developed especially with the huge growth of CAD tools that help in modeling buildings, bridges, roads and other construction objects. Often quality control and size accuracy in the factory or on construction site are based on manual measurements of discrete points. These measured points of the realized object or a part of it will be compared with the points of the corresponding CAD model to see whether and where the construction element fits into the respective CAD model. This process is very complicated and difficult even when using modern measuring technology. This is due to the complicated shape of the components, the large amount of manually detected measured data and the high cost of manual processing of measured values. However, by using a modern 3D scanner one gets information of the whole constructed object and one can make a complete comparison against the CAD model. It gives an idea about quality of objects on the whole. In this paper, we present a case study of controlling the quality of measurement during the constructing phase of a steel bridge by using 3D point cloud technology. Preliminary results show that an early detection of mismatching between real element and CAD model could save a lot of time, efforts and obviously expenses.}, subject = {Angewandte Informatik}, language = {en} } @inproceedings{KhosravianWuttke, author = {Khosravian, Reza and Wuttke, Frank}, title = {QUALITATIVE INVESTIGATION OF THE EFFECT OF SOIL MODELING APPROACH ON DYNAMIC BEHAVIOR OF A SMALL-SCALE 2-DOF STRUCTURE WITH PILE FOUNDATION}, series = {Digital Proceedings, International Conference on the Applications of Computer Science and Mathematics in Architecture and Civil Engineering : July 20 - 22 2015, Bauhaus-University Weimar}, booktitle = {Digital Proceedings, International Conference on the Applications of Computer Science and Mathematics in Architecture and Civil Engineering : July 20 - 22 2015, Bauhaus-University Weimar}, editor = {G{\"u}rlebeck, Klaus and Lahmer, Tom}, organization = {Bauhaus-Universit{\"a}t Weimar}, issn = {1611-4086}, doi = {10.25643/bauhaus-universitaet.2808}, url = {http://nbn-resolving.de/urn:nbn:de:gbv:wim2-20170314-28080}, pages = {6}, abstract = {Known as a sophisticated phenomenon in civil engineering problems, soil structure interaction has been under deep investigations in the field of Geotechnics. On the other hand, advent of powerful computers has led to development of numerous numerical methods to deal with this phenomenon, resulting in a wide variety of methods trying to simulate the behavior of the soil stratum. This survey studies two common approaches to model the soil's behavior in a system consisting of a structure with two degrees of freedom, representing a two-storey frame structure made of steel, with the column resting on a pile embedded into sand in laboratory scale. The effect of soil simulation technique on the dynamic behavior of the structure is of major interest in the study. Utilized modeling approaches are the so-called Holistic method, and substitution of soil with respective impedance functions.}, subject = {Angewandte Informatik}, language = {en} } @article{HamdiaLahmerNguyenThoietal., author = {Hamdia, Khader and Lahmer, Tom and Nguyen-Thoi, T. and Rabczuk, Timon}, title = {Predicting The Fracture Toughness of PNCs: A Stochastic Approach Based on ANN and ANFIS}, series = {Computational Materials Science}, journal = {Computational Materials Science}, pages = {304 -- 313}, abstract = {Predicting The Fracture Toughness of PNCs: A Stochastic Approach Based on ANN and ANFIS}, subject = {Angewandte Mathematik}, language = {en} } @inproceedings{Cabrita, author = {Cabrita, Maria Am{\´e}lia}, title = {Portuguese Social Housing under Dictatorship. A Morphological Analysis of Some Residential Agglomerations in Lisbon (1933-1950)}, series = {Urban design and dictatorship in the 20th century: Italy, Portugal, the Soviet Union, Spain and Germany. History and Historiography}, booktitle = {Urban design and dictatorship in the 20th century: Italy, Portugal, the Soviet Union, Spain and Germany. History and Historiography}, doi = {10.25643/bauhaus-universitaet.2440}, url = {http://nbn-resolving.de/urn:nbn:de:gbv:wim2-20150731-24407}, pages = {1 -- 10}, abstract = {Beitr{\"a}ge zum Symposium „Urban design and dictatorship in the 20th century: Italy, Portugal, the Soviet Union, Spain and Germany. History and Historiography". Weimar, 21.-22. November 2013}, subject = {St{\"a}dtebau}, language = {en} } @inproceedings{Dattomo, author = {Dattomo, Nicla}, title = {Planning the Industrialization. The Technical and Theoretical Toolbox for the Post-War Program for the Industrial Development Areas of Southern Italy}, series = {Urban design and dictatorship in the 20th century: Italy, Portugal, the Soviet Union, Spain and Germany. History and Historiography}, booktitle = {Urban design and dictatorship in the 20th century: Italy, Portugal, the Soviet Union, Spain and Germany. History and Historiography}, doi = {10.25643/bauhaus-universitaet.2439}, url = {http://nbn-resolving.de/urn:nbn:de:gbv:wim2-20150731-24398}, pages = {1 -- 9}, abstract = {Beitr{\"a}ge zum Symposium „Urban design and dictatorship in the 20th century: Italy, Portugal, the Soviet Union, Spain and Germany. History and Historiography". Weimar, 21.-22. November 2013}, subject = {St{\"a}dtebau}, language = {en} } @inproceedings{IgnatovaKirschkeTauscheretal., author = {Ignatova, Elena and Kirschke, Heiko and Tauscher, Eike and Smarsly, Kay}, title = {PARAMETRIC GEOMETRIC MODELING IN CONSTRUCTION PLANNING USING INDUSTRY FOUNDATION CLASSES}, series = {Digital Proceedings, International Conference on the Applications of Computer Science and Mathematics in Architecture and Civil Engineering : July 20 - 22 2015, Bauhaus-University Weimar}, booktitle = {Digital Proceedings, International Conference on the Applications of Computer Science and Mathematics in Architecture and Civil Engineering : July 20 - 22 2015, Bauhaus-University Weimar}, editor = {G{\"u}rlebeck, Klaus and Lahmer, Tom}, organization = {Bauhaus-Universit{\"a}t Weimar}, issn = {1611-4086}, doi = {10.25643/bauhaus-universitaet.2802}, url = {http://nbn-resolving.de/urn:nbn:de:gbv:wim2-20170314-28024}, pages = {8}, abstract = {One of the most promising and recent advances in computer-based planning is the transition from classical geometric modeling to building information modeling (BIM). Building information models support the representation, storage, and exchange of various information relevant to construction planning. This information can be used for describing, e.g., geometric/physical properties or costs of a building, for creating construction schedules, or for representing other characteristics of construction projects. Based on this information, plans and specifications as well as reports and presentations of a planned building can be created automatically. A fundamental principle of BIM is object parameterization, which allows specifying geometrical, numerical, algebraic and associative dependencies between objects contained in a building information model. In this paper, existing challenges of parametric modeling using the Industry Foundation Classes (IFC) as a federated model for integrated planning are shown, and open research questions are discussed.}, subject = {Angewandte Informatik}, language = {en} } @inproceedings{NguyenTuanLahmerDatchevaetal., author = {Nguyen-Tuan, Long and Lahmer, Tom and Datcheva, Maria and Stoimenova, Eugenia and Schanz, Tom}, title = {PARAMETER IDENTIFICATION APPLYING IN COMPLEX THERMO-HYDRO-MECHANICAL PROBLEMS LIKE THE DESIGN OF BUFFER ELEMENTS}, series = {Digital Proceedings, International Conference on the Applications of Computer Science and Mathematics in Architecture and Civil Engineering : July 20 - 22 2015, Bauhaus-University Weimar}, booktitle = {Digital Proceedings, International Conference on the Applications of Computer Science and Mathematics in Architecture and Civil Engineering : July 20 - 22 2015, Bauhaus-University Weimar}, editor = {G{\"u}rlebeck, Klaus and Lahmer, Tom}, organization = {Bauhaus-Universit{\"a}t Weimar}, issn = {1611-4086}, doi = {10.25643/bauhaus-universitaet.2816}, url = {http://nbn-resolving.de/urn:nbn:de:gbv:wim2-20170314-28162}, pages = {6}, abstract = {This study contributes to the identification of coupled THM constitutive model parameters via back analysis against information-rich experiments. A sampling based back analysis approach is proposed comprising both the model parameter identification and the assessment of the reliability of identified model parameters. The results obtained in the context of buffer elements indicate that sensitive parameter estimates generally obey the normal distribution. According to the sensitivity of the parameters and the probability distribution of the samples we can provide confidence intervals for the estimated parameters and thus allow a qualitative estimation on the identified parameters which are in future work used as inputs for prognosis computations of buffer elements. These elements play e.g. an important role in the design of nuclear waste repositories.}, subject = {Angewandte Informatik}, language = {en} } @article{GhasemiBrighentiZhuangetal., author = {Ghasemi, Hamid and Brighenti, Roberto and Zhuang, Xiaoying and Muthu, Jacob and Rabczuk, Timon}, title = {Optimum fiber content and distribution in fiber-reinforced solids using a reliability and NURBS based sequential optimization approach}, series = {Structural and Multidisciplinary Optimization}, journal = {Structural and Multidisciplinary Optimization}, pages = {99 -- 112}, abstract = {Optimum _ber content and distribution in _ber-reinforced solids using a reliability and NURBS based sequential optimization approach}, subject = {Angewandte Mathematik}, language = {en} } @inproceedings{MuellerLudwigBenHahaetal., author = {M{\"u}ller, Matthias and Ludwig, Horst-Michael and Ben Haha, Mohsen and Zajac, Maciej}, title = {Optimization of multi-component cements containing clinker, slag, V-fly ash, limestone}, series = {Tagungsband 19. Ibausil - 19. Internationale Baustofftagung, 16. - 18.09.2015, Weimar. Band 2}, booktitle = {Tagungsband 19. Ibausil - 19. Internationale Baustofftagung, 16. - 18.09.2015, Weimar. Band 2}, editor = {Ludwig, Horst-Michael}, organization = {F.A.Finger-Institut f{\"u}r Baustoffkunde, Bauhaus-Universit{\"a}t Weimar}, isbn = {978-3-00-050225-5 (Bauhaus-Universit{\"a}tsverlag Weimar)}, doi = {10.25643/bauhaus-universitaet.4870}, url = {http://nbn-resolving.de/urn:nbn:de:gbv:wim2-20240507-48700}, pages = {424-431}, abstract = {The aim of this study was to investigate the optimization of the strength development of quaternary cements with 50 \% clinker by a variation of the particle size distribution of the components GGBFS, fly ash and limestone powder. By balancing the overall PSD of the cement by using unprocessed fly ash and coarse limestone powder in combination with a very fine GGBFS, the water demand of the resulting quaternary cements remained unaltered, while the compressive strength of the cements was increased significantly after 7d, 28 and 56d. As can be expected, the quaternary cement with 30 wt.\% of the fine slag exhibited a stronger strength increase (about 18 \% after 28 d) than the cements with only 20 wt.\% slag (about 10\% after 28d).}, subject = {Zement}, language = {en} } @inproceedings{StokmaierClassSchulenbergetal., author = {Stokmaier, Markus and Class, A.G. and Schulenberg, T. and Lahey Jr., R.T}, title = {OPTIMISING ACOUSTIC RESONATORS FOR SONOFUSION EXPERIMENTS WITH EVOLUTIONARY ALGORITHMS}, series = {Digital Proceedings, International Conference on the Applications of Computer Science and Mathematics in Architecture and Civil Engineering : July 20 - 22 2015, Bauhaus-University Weimar}, booktitle = {Digital Proceedings, International Conference on the Applications of Computer Science and Mathematics in Architecture and Civil Engineering : July 20 - 22 2015, Bauhaus-University Weimar}, editor = {G{\"u}rlebeck, Klaus and Lahmer, Tom}, organization = {Bauhaus-Universit{\"a}t Weimar}, issn = {1611-4086}, doi = {10.25643/bauhaus-universitaet.2820}, url = {http://nbn-resolving.de/urn:nbn:de:gbv:wim2-20170314-28202}, pages = {8}, abstract = {The sizing of simple resonators like guitar strings or laser mirrors is directly connected to the wavelength and represents no complex optimisation problem. This is not the case with liquid-filled acoustic resonators of non-trivial geometries, where several masses and stiffnesses of the structure and the fluid have to fit together. This creates a scenario of many competing and interacting resonances varying in relative strength and frequency when design parameters change. Hence, the resonator design involves a parameter-tuning problem with many local optima. As its solution evolutionary algorithms (EA) coupled to a forced-harmonic FE simulation are presented. A new hybrid EA is proposed and compared to two state-of-theart EAs based on selected test problems. The motivating background is the search for better resonators suitable for sonofusion experiments where extreme states of matter are sought in collapsing cavitation bubbles.}, subject = {Angewandte Informatik}, language = {en} } @inproceedings{HoelterMahmoudiSchanz, author = {H{\"o}lter, Raoul and Mahmoudi, Elham and Schanz, Tom}, title = {OPTIMAL SENSOR LOCATION FOR PARAMETER IDENTIFICATION IN SOFT CLAY}, series = {Digital Proceedings, International Conference on the Applications of Computer Science and Mathematics in Architecture and Civil Engineering : July 20 - 22 2015, Bauhaus-University Weimar}, booktitle = {Digital Proceedings, International Conference on the Applications of Computer Science and Mathematics in Architecture and Civil Engineering : July 20 - 22 2015, Bauhaus-University Weimar}, editor = {G{\"u}rlebeck, Klaus and Lahmer, Tom}, organization = {Bauhaus-Universit{\"a}t Weimar}, issn = {1611-4086}, doi = {10.25643/bauhaus-universitaet.2800}, url = {http://nbn-resolving.de/urn:nbn:de:gbv:wim2-20170314-28008}, pages = {6}, abstract = {Performing parameter identification prior to numerical simulation is an essential task in geotechnical engineering. However, it has to be kept in mind that the accuracy of the obtained parameter is closely related to the chosen experimental setup, such as the number of sensors as well as their location. A well considered position of sensors can increase the quality of the measurement and to reduce the number of monitoring points. This Paper illustrates this concept by means of a loading device that is used to identify the stiffness and permeability of soft clays. With an initial setup of the measurement devices the pore water pressure and the vertical displacements are recorded and used to identify the afore mentioned parameters. Starting from these identified parameters, the optimal measurement setup is investigated with a method based on global sensitivity analysis. This method shows an optimal sensor location assuming three sensors for each measured quantity, and the results are discussed.}, subject = {Angewandte Informatik}, language = {en} } @inproceedings{Rodrigues, author = {Rodrigues, M. Manuela}, title = {OPERATIONAL PROPERTIES OF THE LAGUERRE TRANSFORM}, series = {Digital Proceedings, International Conference on the Applications of Computer Science and Mathematics in Architecture and Civil Engineering : July 20 - 22 2015, Bauhaus-University Weimar}, booktitle = {Digital Proceedings, International Conference on the Applications of Computer Science and Mathematics in Architecture and Civil Engineering : July 20 - 22 2015, Bauhaus-University Weimar}, editor = {G{\"u}rlebeck, Klaus and Lahmer, Tom}, organization = {Bauhaus-Universit{\"a}t Weimar}, issn = {1611-4086}, doi = {10.25643/bauhaus-universitaet.2818}, url = {http://nbn-resolving.de/urn:nbn:de:gbv:wim2-20170314-28186}, pages = {5}, abstract = {The Laguerre polynomials appear naturally in many branches of pure and applied mathematics and mathematical physics. Debnath introduced the Laguerre transform and derived some of its properties. He also discussed the applications in study of heat conduction and to the oscillations of a very long and heavy chain with variable tension. An explicit boundedness for some class of Laguerre integral transforms will be present.}, subject = {Angewandte Informatik}, language = {en} } @inproceedings{AlYasiriGuerlebeck, author = {Al-Yasiri, Zainab and G{\"u}rlebeck, Klaus}, title = {ON BOUNDARY VALUE PROBLEMS FOR P-LAPLACE AND P-DIRAC EQUATIONS}, series = {Digital Proceedings, International Conference on the Applications of Computer Science and Mathematics in Architecture and Civil Engineering : July 20 - 22 2015, Bauhaus-University Weimar}, booktitle = {Digital Proceedings, International Conference on the Applications of Computer Science and Mathematics in Architecture and Civil Engineering : July 20 - 22 2015, Bauhaus-University Weimar}, editor = {G{\"u}rlebeck, Klaus and Lahmer, Tom}, organization = {Bauhaus-Universit{\"a}t Weimar}, issn = {1611-4086}, doi = {10.25643/bauhaus-universitaet.2792}, url = {http://nbn-resolving.de/urn:nbn:de:gbv:wim2-20170314-27928}, pages = {8}, abstract = {The p-Laplace equation is a nonlinear generalization of the Laplace equation. This generalization is often used as a model problem for special types of nonlinearities. The p-Laplace equation can be seen as a bridge between very general nonlinear equations and the linear Laplace equation. The aim of this paper is to solve the p-Laplace equation for 2 < p < 3 and to find strong solutions. The idea is to apply a hypercomplex integral operator and spatial function theoretic methods to transform the p-Laplace equation into the p-Dirac equation. This equation will be solved iteratively by using a fixed point theorem.}, subject = {Angewandte Informatik}, language = {en} } @techreport{KoenigTapiasSchmitt, author = {K{\"o}nig, Reinhard and Tapias, Estefania and Schmitt, Gerhard}, title = {New Methods in Urban Analysis and Simulation: Documentation of teaching results from the spring semester 2015}, organization = {ETH Zurich}, doi = {10.25643/bauhaus-universitaet.2505}, url = {http://nbn-resolving.de/urn:nbn:de:gbv:wim2-20160118-25052}, pages = {76}, abstract = {Documentation of teaching results from the spring semester 2015 at the chair of Information Architecture at ETH Zurich}, subject = {Architektur}, language = {en} } @article{ArashRabczukJiang, author = {Arash, Behrouz and Rabczuk, Timon and Jiang, Jin-Wu}, title = {Nanoresonators and their applications: a state of the art review}, series = {Applied Physics Reviews}, journal = {Applied Physics Reviews}, abstract = {Nanoresonators and their applications: a state of the art review}, subject = {Angewandte Mathematik}, language = {en} } @masterthesis{Goedicke, type = {Bachelor Thesis}, author = {Goedicke, Glenn}, title = {M{\"o}gliche Schnittstellenverschiebungen zwischen Bau- und Nebent{\"a}tigkeiten auf ausdifferenzierten Baustellen aus arbeitsrechtlicher Sicht}, doi = {10.25643/bauhaus-universitaet.2419}, url = {http://nbn-resolving.de/urn:nbn:de:gbv:wim2-20150629-24192}, school = {Bauhaus-Universit{\"a}t Weimar}, pages = {50}, abstract = {In der modernen Arbeitswelt ist es {\"u}blich betriebliche Aufgaben extern zu vergeben. Dieser Vorgang wird in der Wirtschaft Outsourcing genannt und beschr{\"a}nkt sich in der Regel auf Arbeiten, welche nicht zu den Kernkompetenzen eines Unternehmens geh{\"o}ren. Wenn diese Arbeiten durch spezialisierte Unternehmen {\"u}bernommen werden ergeben sich Potenziale, die weit {\"u}ber eine bloße Kostensenkung hinausgehen. Der Kern dieser Arbeit bezieht sich auf die Auslagerung von sogenannten Nebent{\"a}tigkeiten im Zusammenhang einer Bauwerksausf{\"u}hrung. Dabei werden die arbeitsrechtliche Situation, Machbarkeit und Sinnhaftigkeit analysiert. Das Arbeitsrecht im Baugewerbe ist {\"u}beraus komplex und von starren Regelungen gepr{\"a}gt. Die f{\"u}r allgemeinverbindlich erkl{\"a}rten Tarifvertr{\"a}ge gelten gemeinhin f{\"u}r alle Betriebe, die {\"u}berwiegend bauliche T{\"a}tigkeiten aus{\"u}ben. Problematisch wird die tarifliche Zuordnung f{\"u}r Betriebe, welche die Nebent{\"a}tigkeiten {\"u}bernehmen und f{\"u}r gew{\"o}hnlich nicht in den Geltungsbereich der Tarifvertr{\"a}ge fallen. Bei der Vergabe von Nebent{\"a}tigkeiten mit Hilfe von Werk- oder Dienstvertr{\"a}gen bedarf es einer genauen Kl{\"a}rung, ab wann eine unerlaubte Arbeitnehmer{\"u}berlassung beginnt. Im Rahmen dieser Arbeit soll untersucht werden, inwieweit eine Auslagerung der baulichen Nebent{\"a}tigkeiten durch eine Werk- oder Dienstvertragsvergabe an die Grenzen der arbeitsrechtlichen Gegebenheiten st{\"o}ßt. Zus{\"a}tzlich wird eine tarifliche Einordnung der T{\"a}tigkeiten vorgenommen.}, subject = {Arbeitsrecht}, language = {de} } @article{Birkholz, author = {Birkholz, Marie Luise}, title = {M{\"a}chtiger Boden. Essay {\"u}ber den Versuch, einen Staatsapparat zu erlaufen}, series = {sub\urban. Zeitschrift f{\"u}r Kritische Stadtforschung}, volume = {2015}, journal = {sub\urban. Zeitschrift f{\"u}r Kritische Stadtforschung}, number = {Band 3, Heft 2}, publisher = {ub\urban e.V.}, address = {Berlin}, doi = {10.36900/suburban.v3i2.200}, url = {http://nbn-resolving.de/urn:nbn:de:gbv:wim2-20220112-45591}, pages = {141 -- 154}, abstract = {Der Text folgt in essayistischer Form einem Spaziergang durch das politische Zentrum Bras{\´i}lias in Brasilien. Die Konzentration liegt auf der Gestaltung des Bodens. Wie ist die Planhauptstadt „vom Reißbrett" in der Horizontalen gestaltet? Wie sehen repr{\"a}sentative Pl{\"a}tze einer Stadt aus, die vor allem f{\"u}r Autos gebaut worden ist? Der forschende Blick liegt auf dem erlebten Ist-Zustand und wird assoziativ mit Ergebnissen der Forschungsarbeit aus Deutschland reflektiert. „M{\"a}chtiger Boden" entstand als Satellit zur aktuellen Forschung der Autorin im Rahmen eines Aufenthalts in Brasilien.}, subject = {Brasilia}, language = {de} } @article{MortazaviRabczuk, author = {Mortazavi, Bohayra and Rabczuk, Timon}, title = {Multiscale modeling of heat conduction in graphene laminates}, series = {Carbon}, journal = {Carbon}, pages = {1 -- 7}, abstract = {Multiscale modeling of heat conduction in graphene laminates}, subject = {Angewandte Mathematik}, language = {en} } @article{IlyaniAkmarKramerRabczuk, author = {Ilyani Akmar, A.B. and Kramer, O. and Rabczuk, Timon}, title = {Multi-objective evolutionary optimization of sandwich structures: An evaluation by elitist non-dominated sorting evolution strategy}, series = {American Journal of Engineering and Applied Sciences}, journal = {American Journal of Engineering and Applied Sciences}, doi = {10.3844/ajeassp.2015.185.201}, url = {http://nbn-resolving.de/urn:nbn:de:gbv:wim2-20170418-31402}, pages = {185 -- 201}, abstract = {In this study, an application of evolutionary multi-objective optimization algorithms on the optimization of sandwich structures is presented. The solution strategy is known as Elitist Non-Dominated Sorting Evolution Strategy (ENSES) wherein Evolution Strategies (ES) as Evolutionary Algorithm (EA) in the elitist Non-dominated Sorting Genetic algorithm (NSGA-II) procedure. Evolutionary algorithm seems a compatible approach to resolve multi-objective optimization problems because it is inspired by natural evolution, which closely linked to Artificial Intelligence (AI) techniques and elitism has shown an important factor for improving evolutionary multi-objective search. In order to evaluate the notion of performance by ENSES, the well-known study case of sandwich structures are reconsidered. For Case 1, the goals of the multi-objective optimization are minimization of the deflection and the weight of the sandwich structures. The length, the core and skin thicknesses are the design variables of Case 1. For Case 2, the objective functions are the fabrication cost, the beam weight and the end deflection of the sandwich structures. There are four design variables i.e., the weld height, the weld length, the beam depth and the beam width in Case 2. Numerical results are presented in terms of Paretooptimal solutions for both evaluated cases.}, subject = {Optimierung}, language = {en} } @article{MortazaviPereiraJiangetal., author = {Mortazavi, Bohayra and Pereira, Luiz Felipe C. and Jiang, Jin-Wu and Rabczuk, Timon}, title = {Modelling heat conduction in polycrystalline hexagonal boron-nitride films}, series = {Scientific Reports}, journal = {Scientific Reports}, doi = {10.1038/srep13228}, url = {http://nbn-resolving.de/urn:nbn:de:gbv:wim2-20170425-31534}, abstract = {We conducted extensive molecular dynamics simulations to investigate the thermal conductivity of polycrystalline hexagonal boron-nitride (h-BN) films. To this aim, we constructed large atomistic models of polycrystalline h-BN sheets with random and uniform grain configuration. By performing equilibrium molecular dynamics (EMD) simulations, we investigated the influence of the average grain size on the thermal conductivity of polycrystalline h-BN films at various temperatures. Using the EMD results, we constructed finite element models of polycrystalline h-BN sheets to probe the thermal conductivity of samples with larger grain sizes. Our multiscale investigations not only provide a general viewpoint regarding the heat conduction in h-BN films but also propose that polycrystalline h-BN sheets present high thermal conductivity comparable to monocrystalline sheets.}, subject = {W{\"a}rmeleitf{\"a}higkeit}, language = {en} } @article{KumarSinghMishraetal., author = {Kumar, S. and Singh, I. and Mishra, B.K. and Rabczuk, Timon}, title = {Modeling and Simulation of Kinked Cracks by Virtual Node XFEM}, series = {Computer Methods in Applied Mechanics and Engineering}, journal = {Computer Methods in Applied Mechanics and Engineering}, pages = {1425 -- 1466}, abstract = {Modeling and Simulation of Kinked Cracks by Virtual Node XFEM}, subject = {Angewandte Mathematik}, language = {en} } @phdthesis{Jia, author = {Jia, Yue}, title = {Methods based on B-splines for model representation, numerical analysis and image registration}, doi = {10.25643/bauhaus-universitaet.2484}, url = {http://nbn-resolving.de/urn:nbn:de:gbv:wim2-20151210-24849}, school = {Bauhaus-Universit{\"a}t Weimar}, pages = {200}, abstract = {The thesis consists of inter-connected parts for modeling and analysis using newly developed isogeometric methods. The main parts are reproducing kernel triangular B-splines, extended isogeometric analysis for solving weakly discontinuous problems, collocation methods using superconvergent points, and B-spline basis in image registration applications. Each topic is oriented towards application of isogeometric analysis basis functions to ease the process of integrating the modeling and analysis phases of simulation. First, we develop reproducing a kernel triangular B-spline-based FEM for solving PDEs. We review the triangular B-splines and their properties. By definition, the triangular basis function is very flexible in modeling complicated domains. However, instability results when it is applied for analysis. We modify the triangular B-spline by a reproducing kernel technique, calculating a correction term for the triangular kernel function from the chosen surrounding basis. The improved triangular basis is capable to obtain the results with higher accuracy and almost optimal convergence rates. Second, we propose an extended isogeometric analysis for dealing with weakly discontinuous problems such as material interfaces. The original IGA is combined with XFEM-like enrichments which are continuous functions themselves but with discontinuous derivatives. Consequently, the resulting solution space can approximate solutions with weak discontinuities. The method is also applied to curved material interfaces, where the inverse mapping and the curved triangular elements are considered. Third, we develop an IGA collocation method using superconvergent points. The collocation methods are efficient because no numerical integration is needed. In particular when higher polynomial basis applied, the method has a lower computational cost than Galerkin methods. However, the positions of the collocation points are crucial for the accuracy of the method, as they affect the convergent rate significantly. The proposed IGA collocation method uses superconvergent points instead of the traditional Greville abscissae points. The numerical results show the proposed method can have better accuracy and optimal convergence rates, while the traditional IGA collocation has optimal convergence only for even polynomial degrees. Lastly, we propose a novel dynamic multilevel technique for handling image registration. It is application of the B-spline functions in image processing. The procedure considered aims to align a target image from a reference image by a spatial transformation. The method starts with an energy function which is the same as a FEM-based image registration. However, we simplify the solving procedure, working on the energy function directly. We dynamically solve for control points which are coefficients of B-spline basis functions. The new approach is more simple and fast. Moreover, it is also enhanced by a multilevel technique in order to prevent instabilities. The numerical testing consists of two artificial images, four real bio-medical MRI brain and CT heart images, and they show our registration method is accurate, fast and efficient, especially for large deformation problems.}, subject = {Finite-Elemente-Methode}, language = {en} } @article{MortazaviCunibertiRabczuk, author = {Mortazavi, Bohayra and Cuniberti, G. and Rabczuk, Timon}, title = {Mechanical properties and thermal conductivity of graphitic carbon nitride: A molecular dynamics study}, series = {Computational Materials Science}, journal = {Computational Materials Science}, pages = {285 -- 289}, abstract = {Mechanical properties and thermal conductivity of graphitic carbon nitride: A molecular dynamics study}, subject = {Angewandte Mathematik}, language = {en} } @inproceedings{TreyerKleinKoenigetal., author = {Treyer, Lukas and Klein, Bernhard and K{\"o}nig, Reinhard and Meixner, Christine}, title = {Lightweight urban computation interchange (LUCI) system}, series = {Proceedings}, booktitle = {Proceedings}, publisher = {FOSS4G}, address = {Seoul, South Korea}, doi = {10.25643/bauhaus-universitaet.2598}, url = {http://nbn-resolving.de/urn:nbn:de:gbv:wim2-20160622-25982}, pages = {12}, abstract = {In this paper we introduce LUCI, a Lightweight Urban Calculation Interchange system, designed to bring the advantages of a calculation and content co-ordination system to small planning and design groups by the means of an open source middle-ware. The middle-ware focuses on problems typical to urban planning and therefore features a geo-data repository as well as a job runtime administration, to coordinate simulation models and its multiple views. The described system architecture is accompanied by two exemplary use cases that have been used to test and further develop our concepts and implementations.}, language = {en} } @inproceedings{TreyerKleinKoenigetal., author = {Treyer, Lukas and Klein, Bernhard and K{\"o}nig, Reinhard and Meixner, Christine}, title = {Lightweight urban computation interchange (LUCI) system}, series = {FOSS4G 2015 Conference}, booktitle = {FOSS4G 2015 Conference}, publisher = {FOSS4G}, address = {Seoul, South Korea}, doi = {10.25643/bauhaus-universitaet.2504}, url = {http://nbn-resolving.de/urn:nbn:de:gbv:wim2-20160118-25042}, pages = {12}, abstract = {In this paper we introduce LUCI, a Lightweight Urban Calculation Interchange system, designed to bring the advantages of a calculation and content co-ordination system to small planning and design groups by the means of an open source middle-ware. The middle-ware focuses on problems typical to urban planning and therefore features a geo-data repository as well as a job runtime administration, to coordinate simulation models and its multiple views. The described system architecture is accompanied by two exemplary use cases that have been used to test and further develop our concepts and implementations.}, subject = {Architektur}, language = {en} } @phdthesis{RodriguezSchaeffer, author = {Rodr{\´i}guez Schaeffer, Alan Paul}, title = {Lighting in urban heritage: case study of Chiapa de Corzo, Chiapas, Mexico}, doi = {10.25643/bauhaus-universitaet.2421}, url = {http://nbn-resolving.de/urn:nbn:de:gbv:wim2-20150630-24217}, school = {Bauhaus-Universit{\"a}t Weimar}, pages = {327}, abstract = {As human thought was developing, likewise, the technology used for illumination was growing. But a haul through history, reviewing its pages and analyzing it, inherently brings up old and new question, like: Is it possible to alter negatively the image of historic buildings and monuments through inadequate lighting to the degree of distorting the perception that people have of the work? and if so, what are the causes that generate it? Do the light designers take into consideration criteria to protect not only historic buildings and monuments, but also the environment? What are the consequences that may generate the inadequate lighting of urban heritage to the environment? What are the factors to consider for a proper illumination of urban heritage? The answers to these questions will help lay the foundation for proper illumination of the urban heritage, avoiding at the maximum the light pollution and the effects that it generates, seeking a balance and harmonious reconciliation between the technology, urban heritage and environment, taking as a framework and the case study the urban heritage of a city from the colonial era in southern Mexico, with pre-Hispanic roots and where today you can still see through its streets and buildings an atmosphere of mysticism reflection of their folklore and traditions, this city is known as Chiapa de Corzo, Chiapas.}, subject = {Konservierung}, language = {en} } @inproceedings{Neri, author = {Neri, Maria Luisa}, title = {Landscape and City during Fascism: Enrico del Debbio's Foro Mussolini}, series = {Urban design and dictatorship in the 20th century: Italy, Portugal, the Soviet Union, Spain and Germany. History and Historiography}, booktitle = {Urban design and dictatorship in the 20th century: Italy, Portugal, the Soviet Union, Spain and Germany. History and Historiography}, doi = {10.25643/bauhaus-universitaet.2387}, url = {http://nbn-resolving.de/urn:nbn:de:gbv:wim2-20150504-23877}, pages = {1 -- 16}, abstract = {Beitr{\"a}ge zum Symposium „Urban design and dictatorship in the 20th century: Italy, Portugal, the Soviet Union, Spain and Germany. History and Historiography". Weimar, 21.-22. November 2013}, subject = {St{\"a}dtebau}, language = {en} } @phdthesis{Chen, author = {Chen, Hsi-Jen}, title = {Kulturelle Unterschiede bei der Nutzung von Smartphones in Deutschland, China und Taiwan}, doi = {10.25643/bauhaus-universitaet.2351}, url = {http://nbn-resolving.de/urn:nbn:de:gbv:wim2-20150223-23517}, school = {Bauhaus-Universit{\"a}t Weimar}, pages = {230}, abstract = {Theoretischer Teil: Durch den Vergleich der Daten, die sowohl von den Instituten bzw. Statistikunternehmen z. B. Google, Bundesnetzagentur und Statista in Deutschland, 中国互联网络信息中心 in China, FIND in Taiwan usw. zur Verf{\"u}gung gestellt wurden, als auch durch die von mir durchgef{\"u}hrten Umfragen in den jeweiligen L{\"a}ndern, sowie durch die Interviews in Weimar, zeigen sich die kulturellen Unterschiede sowie die Gemeinsamkeiten bei der Nutzung des Smartphones. Dar{\"u}ber hinaus ergaben sich noch einige Konsequenzen bei den Interpretationen dieser Ergebnisse, die eng mit der Entstehung der kulturellen Unterschiede zusammenh{\"a}ngen. Praktischer Teil: Der erste Entwurf ist eine visuelle Tastatur. Um die Bildschirmtastatur zu verbessern, versucht type right ! (der Name meines Entwurfs) das Problem von Vertippen beim Eingeben zu l{\"o}sen. type right ! hat zwei Schwerpunkte: 1. ge{\"a}nderte Positionen der Buchstaben und Zeichen und 2. ge{\"a}nderte Form der Taste. Der zweite Entwurf handelt von einem Konzept einer App f{\"u}r die Integrationsm{\"o}glichkeit der Kommunikation.}, subject = {Smartphone}, language = {de} } @article{ThaiNguyenXuanBordasetal., author = {Thai, Chien H. and Nguyen-Xuan, Hung and Bordas, St{\´e}phane Pierre Alain and Nguyen-Thanh, Nhon and Rabczuk, Timon}, title = {Isogeometric analysis of laminated composite plates using the higher-order shear deformation theory}, series = {Mechanics of Advanced Materials and Structures}, journal = {Mechanics of Advanced Materials and Structures}, pages = {451 -- 469}, abstract = {Isogeometric analysis of laminated composite plates using the higher-order shear deformation theory}, subject = {Angewandte Mathematik}, language = {en} } @phdthesis{Lehmann, author = {Lehmann, Martin}, title = {Investigations of the Loadbearing Behaviour of Timber Bending Beams Reinforced Using Prestressed CFRP-Lamellas}, doi = {10.25643/bauhaus-universitaet.2456}, url = {http://nbn-resolving.de/urn:nbn:de:gbv:wim2-20150916-24566}, school = {Bauhaus-Universit{\"a}t Weimar}, pages = {164}, abstract = {The refurbishment of old buildings often goes hand in hand with an increase in both the dead and live loads. The latter, combined with the higher safety factors, often make the reinforcement of the old structures necessary. Most reinforcement methods involve transforming a structural timber member into a composite beam. Composite sections have a long tradition in timber construction. In the early days, multiple timber beams were connected with interlocking tooth and wooden shear connecters, which resulted in an elastic connection. Although historical timber structures are frequently upgraded, no method has yet been established and fully accepted by all stakeholders such as owners, builders, architects, engineers and cultural heritage organisations. Carbon fibre-reinforced polymers (CFRP) have already shown their efficiency in structural reinforcement especially in concrete structures. Moreover, previous studies have shown that CFRP has the potential to meet the expectations of all parties involved. In order to reach the service-limit state, a high amount of carbon fibres has to be used, or considering the cost of reinforcement, prestress has to be applied. However, prestressing often goes hand-in-hand with delaminating issues. The camber method presented here offers an efficient solution for prestressing timber bending members and overcoming the known obstacles. In the method proposed, the timber beam is cambered using an adjustable prop at midspan during the bonding of the CRFP-lamella to the lower side of the bending member. After curing the adhesive, the prop is removed and the prestressed composite beam is ready to be used. The prestress introduced in the system is not constant, but has a triangular shape and peaks at midspan, where it is used the most. The prestress force, which declines towards the end of the beam, leads to a constant shear stress over the whole length of the reinforcement,avoiding a concentrated anchorage zone. An analytical calculation model has been developed to calculate and design prestressed timber- bending members using the camber method. Numerical modelling, using a multi-surface plasticity model for timber, confirmed the results from the analytical model, and clearly reduced delaminating issues, comparing very favourably to traditional prestressing methods. The experimental parametric study, including the determination of the short-term loadbearing capacity of structural-sized beams, showed agreement with the analytical and numerical calculation. The prestressed reinforcement showed a benefit of nearly 50\% towards the ultimate-limit state and up to 70\% towards the service-limit state. Calculations revealed that the use of high modulus CFRP allows even higher benefits, depending on the configurations and requirements. The long-term design of the prestressed composite beam was investigated by extending the analytical model. The creep of the timber leads to a load transfer from the timber towards the CFRP, and therefore increases the benefit towards the ultimatelimit design. Applying high modulus CFRP-lamellas allows for a complete utilisation of the design capacity of timber and carbon fibre-reinforced polymer. The thorough investigation conducted demonstrated that the camber method is an efficient technique for prestressing and reinforcing timber-bending members. Furthermore, the calculation model presented allows for a safe design and estimation of long-term behaviour.}, subject = {Holzbau}, language = {en} } @article{Koenig, author = {K{\"o}nig, Reinhard}, title = {Interview on Information Architecture}, series = {Swiss Architecture in the Moving Image}, journal = {Swiss Architecture in the Moving Image}, doi = {10.25643/bauhaus-universitaet.2507}, url = {http://nbn-resolving.de/urn:nbn:de:gbv:wim2-20180422-25078}, pages = {151 -- 154}, abstract = {Interview on Information Architecture}, subject = {Architektur}, language = {en} } @inproceedings{OPUS4-2451, title = {International Conference on the Applications of Computer Science and Mathematics in Architecture and Civil Engineering : July 20 - 22 2015, Bauhaus-University Weimar}, series = {Digital Proceedings, International Conference on the Applications of Computer Science and Mathematics in Architecture and Civil Engineering : July 20 - 22 2015, Bauhaus-University Weimar}, booktitle = {Digital Proceedings, International Conference on the Applications of Computer Science and Mathematics in Architecture and Civil Engineering : July 20 - 22 2015, Bauhaus-University Weimar}, editor = {G{\"u}rlebeck, Klaus and Lahmer, Tom}, organization = {Bauhaus-Universit{\"a}t Weimar}, issn = {1611-4086}, doi = {10.25643/bauhaus-universitaet.2451}, url = {http://nbn-resolving.de/urn:nbn:de:gbv:wim2-20150828-24515}, pages = {230}, abstract = {The 20th International Conference on the Applications of Computer Science and Mathematics in Architecture and Civil Engineering will be held at the Bauhaus University Weimar from 20th till 22nd July 2015. Architects, computer scientists, mathematicians, and engineers from all over the world will meet in Weimar for an interdisciplinary exchange of experiences, to report on their results in research, development and practice and to discuss. The conference covers a broad range of research areas: numerical analysis, function theoretic methods, partial differential equations, continuum mechanics, engineering applications, coupled problems, computer sciences, and related topics. Several plenary lectures in aforementioned areas will take place during the conference. We invite architects, engineers, designers, computer scientists, mathematicians, planners, project managers, and software developers from business, science and research to participate in the conference!}, subject = {Angewandte Informatik}, language = {en} } @article{GhasemiKerfridenBordasetal., author = {Ghasemi, Hamid and Kerfriden, Pierre and Bordas, St{\´e}phane Pierre Alain and Muthu, Jacob and Zi, Goangseup and Rabczuk, Timon}, title = {Interfacial shear stress optimization in sandwich beams with polymeric core using nonuniform distribution of reinforcing ingredients}, series = {Composite Structures}, journal = {Composite Structures}, pages = {221 -- 230}, abstract = {Interfacial shear stress optimization in sandwich beams with polymeric core using nonuniform distribution of reinforcing ingredients}, subject = {Angewandte Mathematik}, language = {en} } @inproceedings{SmarslyTauscher, author = {Smarsly, Kay and Tauscher, Eike}, title = {IFC-BASED MONITORING INFORMATION MODELING FOR DATA MANAGEMENT IN STRUCTURAL HEALTH MONITORING}, series = {Digital Proceedings, International Conference on the Applications of Computer Science and Mathematics in Architecture and Civil Engineering : July 20 - 22 2015, Bauhaus-University Weimar}, booktitle = {Digital Proceedings, International Conference on the Applications of Computer Science and Mathematics in Architecture and Civil Engineering : July 20 - 22 2015, Bauhaus-University Weimar}, editor = {G{\"u}rlebeck, Klaus and Lahmer, Tom}, organization = {Bauhaus-Universit{\"a}t Weimar}, issn = {1611-4086}, doi = {10.25643/bauhaus-universitaet.2823}, url = {http://nbn-resolving.de/urn:nbn:de:gbv:wim2-20170314-28237}, pages = {7}, abstract = {This conceptual paper discusses opportunities and challenges towards the digital representation of structural health monitoring systems using the Industry Foundation Classes (IFC) standard. State-of-the-art sensor nodes, collecting structural and environmental data from civil infrastructure systems, are capable of processing and analyzing the data sets directly on-board the nodes. Structural health monitoring (SHM) based on sensor nodes that possess so called "on-chip intelligence" is, in this study, referred to as "intelligent SHM", and the infrastructure system being equipped with an intelligent SHM system is referred to as "intelligent infrastructure". Although intelligent SHM will continue to grow, it is not possible, on a well-defined formalism, to digitally represent information about sensors, about the overall SHM system, and about the monitoring strategies being implemented ("monitoring-related information"). Based on a review of available SHM regulations and guidelines as well as existing sensor models and sensor modeling languages, this conceptual paper investigates how to digitally represent monitoring-related information in a semantic model. With the Industry Foundation Classes, there exists an open standard for the digital representation of building information; however, it is not possible to represent monitoring-related information using the IFC object model. This paper proposes a conceptual approach for extending the current IFC object model in order to include monitoring-related information. Taking civil infrastructure systems as an illustrative example, it becomes possible to adequately represent, process, and exchange monitoring-related information throughout the whole life cycle of civil infrastructure systems, which is referred to as monitoring information modeling (MIM). However, since this paper is conceptual, additional research efforts are required to further investigate, implement, and validate the proposed concepts and methods.}, subject = {Angewandte Informatik}, language = {en} } @inproceedings{Birkholz, author = {Birkholz, Marie Luise}, title = {Granite on the Ground: Former Nazi Party Rally Grounds, Nuremberg/Germany. A brief introduction}, series = {Urban design and dictatorship in the 20th century: Italy, Portugal, the Soviet Union, Spain and Germany. History and Historiography}, booktitle = {Urban design and dictatorship in the 20th century: Italy, Portugal, the Soviet Union, Spain and Germany. History and Historiography}, doi = {10.25643/bauhaus-universitaet.2458}, url = {http://nbn-resolving.de/urn:nbn:de:gbv:wim2-20150925-24587}, pages = {1 -- 12}, abstract = {Beitr{\"a}ge zum Symposium „Urban design and dictatorship in the 20th century: Italy, Portugal, the Soviet Union, Spain and Germany. History and Historiography". Weimar, 21.-22. November 2013}, subject = {St{\"a}dtebau}, language = {en} } @inproceedings{KrausshardeAlmeida, author = {Kraußhar, Rolf S{\"o}ren and de Almeida, Regina}, title = {FUNDAMENTALS OF A WIMAN VALIRON THEORY FOR POLYMONOGENIC FUNCTIONS}, series = {Digital Proceedings, International Conference on the Applications of Computer Science and Mathematics in Architecture and Civil Engineering : July 20 - 22 2015, Bauhaus-University Weimar}, booktitle = {Digital Proceedings, International Conference on the Applications of Computer Science and Mathematics in Architecture and Civil Engineering : July 20 - 22 2015, Bauhaus-University Weimar}, editor = {G{\"u}rlebeck, Klaus and Lahmer, Tom}, organization = {Bauhaus-Universit{\"a}t Weimar}, issn = {1611-4086}, doi = {10.25643/bauhaus-universitaet.2810}, url = {http://nbn-resolving.de/urn:nbn:de:gbv:wim2-20170314-28100}, pages = {6}, abstract = {In this paper we present some rudiments of a generalized Wiman-Valiron theory in the context of polymonogenic functions. In particular, we analyze the relations between different notions of growth orders and the Taylor coefficients. Our main intention is to look for generalizations of the Lindel¨of-Pringsheim theorem. In contrast to the classical holomorphic and the monogenic setting we only obtain inequality relations in the polymonogenic setting. This is due to the fact that the Almansi-Fischer decomposition of a polymonogenic function consists of different monogenic component functions where each of them can have a totally different kind of asymptotic growth behavior.}, subject = {Angewandte Informatik}, language = {en} } @article{OtholdVoss, author = {Othold, Tim and Voss, Christiane}, title = {From media anthropology to anthropomediality}, series = {Anthropological Notebooks}, journal = {Anthropological Notebooks}, doi = {10.25643/bauhaus-universitaet.3157}, url = {http://nbn-resolving.de/urn:nbn:de:gbv:wim2-20170425-31573}, pages = {75 -- 82}, abstract = {Media anthropology is a new and interdisciplinary field of research with very different subjects and methods that seems to be already heavily informed by a comparatively narrow understanding of media as mass media (e.g. TV, Internet, social web, etc.). Therefore, most theories in this field, at least implicitly, employ a hierarchical and often dichotomic preconception of the two poles of media-human relations, by analysing the operationalities and ontologies of the human and the media independently from one another. This article deviates from this line of thought by advocating an expanded, symmetrical and relational understanding of the terms media and human, taking them as always already intermingled facets of a broader dynamic configuration. Starting from a consideration of the historically powerful, yet overlooked media of the so-called habitat diorama, the heuristic concept of "anthropomediality" is to be developed. Eventually, this relational approach may open up a new, interesting field for interrogation of (media-)anthropological analysis in general.}, subject = {Medien}, language = {en} } @article{AreiasRabczukCesardeSaetal., author = {Areias, Pedro and Rabczuk, Timon and Cesar de Sa, J.M. and Garcao, J.E.}, title = {Finite strain quadrilateral shell using least-squares _t of relative Lagrangian in-plane strains}, series = {Finite Elements in Analysis and Design}, journal = {Finite Elements in Analysis and Design}, pages = {26 -- 40}, abstract = {Finite strain quadrilateral shell using least-squares _t of relative Lagrangian in-plane strains}, subject = {Angewandte Mathematik}, language = {en} } @inproceedings{Rodehorst, author = {Rodehorst, Volker}, title = {EVALUATION OF THE METRIC TRIFOCAL TENSOR FOR RELATIVE THREE-VIEW ORIENTATION}, series = {Digital Proceedings, International Conference on the Applications of Computer Science and Mathematics in Architecture and Civil Engineering : July 20 - 22 2015, Bauhaus-University Weimar}, booktitle = {Digital Proceedings, International Conference on the Applications of Computer Science and Mathematics in Architecture and Civil Engineering : July 20 - 22 2015, Bauhaus-University Weimar}, editor = {G{\"u}rlebeck, Klaus and Lahmer, Tom}, organization = {Bauhaus-Universit{\"a}t Weimar}, issn = {1611-4086}, doi = {10.25643/bauhaus-universitaet.2817}, url = {http://nbn-resolving.de/urn:nbn:de:gbv:wim2-20170314-28178}, pages = {7}, abstract = {In photogrammetry and computer vision the trifocal tensor is used to describe the geometric relation between projections of points in three views. In this paper we analyze the stability and accuracy of the metric trifocal tensor for calibrated cameras. Since a minimal parameterization of the metric trifocal tensor is challenging, the additional constraints of the interior orientation are applied to the well-known projective 6-point and 7-point algorithms for three images. The experimental results show that the linear 7-point algorithm fails for some noise-free degenerated cases, whereas the minimal 6-point algorithm seems to be competitive even with realistic noise.}, subject = {Angewandte Informatik}, language = {en} } @inproceedings{Jentsch, author = {Jentsch, Mark F.}, title = {Entwicklung eines Sommerreferenzjahres zur Bestimmung der sommerlichen {\"U}berhitzung von Geb{\"a}uden}, series = {Bauphysiktage Kaiserslautern 2015, Kaiserslautern, 21-22 Oktober 2015}, booktitle = {Bauphysiktage Kaiserslautern 2015, Kaiserslautern, 21-22 Oktober 2015}, editor = {Kornadt, Oliver}, publisher = {Eigenverlag der Technischen Universit{\"a}t Kaiserslautern}, address = {Kaiserslautern}, doi = {10.25643/bauhaus-universitaet.3105}, url = {http://nbn-resolving.de/urn:nbn:de:gbv:wim2-20170516-31058}, pages = {53-61}, abstract = {Die Ableitung von sommer-fokussierten warmen Referenzjahren aus langj{\"a}hrigen Klimadaten erfolgt in Europa bisher nach unterschiedlichen, l{\"a}nderspezifischen Methoden, die sich in der Regel allein auf die Trockentemperatur beziehen und in der Auswahl eines zusammenh{\"a}ngenden realen Sommerhalbjahres resultieren. Simulationsergebnisse zur sommerlichen {\"U}berhitzung von nat{\"u}rlich bel{\"u}fteten Geb{\"a}uden in Deutschland und Großbritannien zeigen jedoch f{\"u}r einige Wetterstationen weniger {\"U}berhitzung f{\"u}r Simulationen mit dem sommer-fokussierten Referenzjahr als f{\"u}r solche mit dem entsprechenden Testreferenzjahr (TRY) f{\"u}r den gleichen Ort. Dies gilt insbesondere dann, wenn einzelne Monate miteinander verglichen werden. Neben der Wahl eines kompletten Halbjahres, das sowohl extrem warme als auch vergleichsweise k{\"u}hle Monate beinhalten kann, liegt dies vor allem begr{\"u}ndet in der fehlenden Ber{\"u}cksichtigung der Solarstrahlung bei der Auswahl eines warmen Referenzjahres, die jedoch eine wichtige Rolle f{\"u}r sommerliche {\"U}berhitzungserscheinungen in Geb{\"a}uden spielt. Eine verl{\"a}ssliche, allgemein anerkannte Methode zur Erstellung von sommer-fokussierten Referenzjahren erscheint daher auch im Hinblick auf die rechtlichen Rahmenbedingungen in der Europ{\"a}ischen Union, die Strategien zur nat{\"u}rlichen Bel{\"u}ftung von Neubauten und Sanierungen beg{\"u}nstigen, erforderlich. Diese Arbeit pr{\"a}sentiert einen Ansatz zur Erstellung eines Sommerreferenzjahres (Summer Reference Year - SRY) aus dem TRY eines gegebenen Ortes und langj{\"a}hrigen Klimadaten. Die existierenden TRY-Daten werden hierbei skaliert, um den Bedingungen f{\"u}r Trockentemperatur und Solarstrahlung von nah-extremen Kandidatenjahren zu entsprechen, die separat {\"u}ber einen statistischen Ansatz ausgew{\"a}hlt werden. Anschließend werden Feuchttemperatur, Windgeschwindigkeit und Luftdruck des TRY durch lineare Korrelationen mit der Trockentemperatur angepasst, um die entsprechenden SRY-Daten zu erhalten. Der Vorteil dieser Methode liegt darin, dass das grundlegende Wettermuster des TRY erhalten bleibt und somit eine klare Relation zwischen SRY und TRY besteht, die eine Vergleichbarkeit von Simulationsergebnissen gew{\"a}hrleistet. {\"U}ber vergleichende Geb{\"a}udesimulationen mit dem zugrundeliegenden TRY und langj{\"a}hrigen Klimadatens{\"a}tzen kann nachgewiesen werden, dass sich das SRY zur Ermittlung sommerlicher {\"U}berhitzungserscheinungen in nat{\"u}rlich bel{\"u}fteten Geb{\"a}uden eignet. Weiterhin kann gezeigt werden, dass das SRY im Gegensatz zur direkten Nutzung eines Kandidatenjahres f{\"u}r einen nah-extremen Sommer die M{\"o}glichkeit eines monatsscharfen Vergleichs mit dem TRY erlaubt und frei von wenig repr{\"a}sentativen Besonderheiten ist, die in den entsprechenden Kandidatenjahren vorhanden sein k{\"o}nnen.}, subject = {Bauphysik}, language = {de} } @inproceedings{GruendelLudwigGeisenhansluekeetal., author = {Gr{\"u}ndel, Hendrik and Ludwig, Horst-Michael and Geisenhansl{\"u}ke, Carsten and M{\"u}ller, Matthias}, title = {Einfluss der Zusammensetzung von Portlandzementklinker und Sulfattr{\"a}ger auf das Erstarrungsverhalten von Spritzbeton}, series = {Tagungsband 19. Ibausil - 19. Internationale Baustofftagung : 16.-18. September 2015, Weimar}, booktitle = {Tagungsband 19. Ibausil - 19. Internationale Baustofftagung : 16.-18. September 2015, Weimar}, isbn = {978-3-00-050225-5 (Bauhaus-Universit{\"a}tsverlag Weimar)}, doi = {10.25643/bauhaus-universitaet.4885}, url = {http://nbn-resolving.de/urn:nbn:de:gbv:wim2-20240507-48851}, pages = {549-555}, abstract = {In der vorliegenden Studie wurde der Einfluss der Klinkerzusammensetzung sowie der Sulfattr{\"a}gerart auf die Leistungsf{\"a}higkeit eines Spritzzementes untersucht. Um eine Untersulfatisierung im System mit einen Aluminiumsulfat / -hydroxid Beschleuniger zu vermeiden, sollte ein anhydritbasierter Sulfattr{\"a}ger eingesetzt werden. Dies f{\"u}hrt zu einer besseren Festigkeitsentwicklung im jungen Alter.}, subject = {Beton}, language = {de} } @inproceedings{FerreiraVieira, author = {Ferreira, Milton dos Santos and Vieira, Nelson}, title = {EIGENFUNCTIONS AND FUNDAMENTAL SOLUTIONS FOR THE FRACTIONAL LAPLACIAN IN 3 DIMENSIONS}, series = {Digital Proceedings, International Conference on the Applications of Computer Science and Mathematics in Architecture and Civil Engineering : July 20 - 22 2015, Bauhaus-University Weimar}, booktitle = {Digital Proceedings, International Conference on the Applications of Computer Science and Mathematics in Architecture and Civil Engineering : July 20 - 22 2015, Bauhaus-University Weimar}, editor = {G{\"u}rlebeck, Klaus and Lahmer, Tom}, organization = {Bauhaus-Universit{\"a}t Weimar}, issn = {1611-4086}, doi = {10.25643/bauhaus-universitaet.2796}, url = {http://nbn-resolving.de/urn:nbn:de:gbv:wim2-20170314-27968}, pages = {6}, abstract = {Recently there has been a surge of interest in PDEs involving fractional derivatives in different fields of engineering. In this extended abstract we present some of the results developedin [3]. We compute the fundamental solution for the three-parameter fractional Laplace operator Δ by transforming the eigenfunction equation into an integral equation and applying the method of separation of variables. The obtained solutions are expressed in terms of Mittag-Leffer functions. For more details we refer the interested reader to [3] where it is also presented an operational approach based on the two Laplace transform.}, subject = {Angewandte Informatik}, language = {en} } @article{BudarapuNarayanaRammohanetal., author = {Budarapu, Pattabhi Ramaiah and Narayana, T.S.S. and Rammohan, B. and Rabczuk, Timon}, title = {Directionality of sound radiation from rectangular panels}, series = {Applied Acoustics}, journal = {Applied Acoustics}, pages = {128 -- 140}, abstract = {Directionality of sound radiation from rectangular panels}, subject = {Angewandte Mathematik}, language = {en} } @phdthesis{Chen, author = {Chen, Pu}, title = {Die Reise der Zeichen - Eine Studie zur symbolischen Bildwelt der Xiy{\"u}-Kultur an der Seidenstraße}, doi = {10.25643/bauhaus-universitaet.2355}, url = {http://nbn-resolving.de/urn:nbn:de:gbv:wim2-20150225-23553}, school = {Bauhaus-Universit{\"a}t Weimar}, pages = {281}, abstract = {The present study focuses on the traditional visual Xiyu-Signs of various ethnic groups with the example of Xinjiang in northwest China, along the ancient path of the Silk Road. The research should be understood as an experiment to a systematic presentation of the symbolic visual world in Xinjiang and therefore in a broader sense as an experiment to preserve the endangered Xiyu-Cultural Heritage. Due to the profound change in China and the Go-West-Strategy of China's economic programme an efficient way must be found to bring modernization and tradition in harmony. This study describes, analyses and evaluates exemplarily, how signs and symbols of knowledge and culture have been mixed between eastern and western cultures along the Silk Road in Xinjiang. It displays how they have been transferred and how far the Xiyu-Culture reflects, that Xinjiang was a meeting point of eastern and western cultures. In the process of my research three main questions arose: Firstly, what can the experience model of the ancient Silk Road contribute to the understanding of cultural development in today's information age? Secondly, what does cultural diversity mean for communication in Xinjiang? Is there an increase of media technology in the field of visual communication because of international influences? Thirdly, how can Xinjiang benefit from the opportunities given by the Go-West-Strategy of China's economic programme in an increasingly globalized world and find a balance between culture and economic prosperity? Therefore, this study uses a method that integrates a cultural-anthropological perspective. Characteristics of the traditional visual Xiyu-Signs, their significance for the ethnic groups in Xinjiang and cultural exchanges between Europe and Asia are discussed based on a field work, and the particular influence of trade and transport routes is presented. The visual signs of the Xiyu-Culture are shown from the time before the Islamization to today's Islamic period. The research shows that the signs are not place-bound cultural phenomena or local tradition; they are rather influenced by regional, national and international cultures consciously or unconsciously. They are a result of cultural communication. Finally the signs of Xiyu-Culture of Xinjiang are thoroughly researched with the Go-West-Strategy of the Chinese government. Economic development brings to Xinjiang not only modernization and prosperity, but also a cultural and ecological imbalance. Mankind formed everything into structure, what he perceives around him, with signs. The Xiyu-Signs create a visual structure. The Xiyu-Culture still has influence on the lifestyle of the ethnic groups in Xinjiang. Today, the confrontation between the traditional Xiyu-Culture and economic development has led to a serious conflict in Xinjiang. This study is a critical interpretation of the current situation of Xiyu-Culture and the Chinese economic program in Xinjiang. It also contributes to the analysis of the hitherto insufficiently recognized interactions between history, culture, politics and economics of cultural globalization in Xinjiang.}, subject = {Seidenstraße}, language = {de} } @phdthesis{Rohde, author = {Rohde, Theres}, title = {Die Bau-Ausstellung zu Beginn des 20. Jahrhunderts oder "Die Schwierigkeit zu wohnen"}, doi = {10.25643/bauhaus-universitaet.2442}, url = {http://nbn-resolving.de/urn:nbn:de:gbv:wim2-20150811-24425}, school = {Bauhaus-Universit{\"a}t Weimar}, pages = {530}, abstract = {Die Bau-Ausstellung zu Beginn des 20. Jahrhunderts oder „Die Schwierigkeit zu wohnen", so lautet der Titel der Arbeit und legt damit ihren Fokus offen. Sie betrachtet ein um 1900 aufkommendes Ausstellungsph{\"a}nomen in seinen ersten Dekaden; in einer Zeit, in der das Wohnen problematisiert wurde. Der Praxis des Wohnens ist Anfang des 20. Jahrhunderts seine Selbstverst{\"a}ndlichkeit abgesprochen worden. Die Bau-Ausstellung wird als ein Symptom dieses Verlusts interpretiert und zugleich als Versuch, ihm entgegenzuwirken. Statt sie innerdisziplin{\"a}r als eine architekturgeschichtliche Episode der Moderne rein positivistisch zu beschreiben, legt die vorliegende Arbeit im Typus der Bau-Ausstellung eine weit reichende Problematik frei, die kulturphilosophische ebenso wie medientheoretische Dimensionen hat: Inwieweit l{\"a}sst sich das Wohnen {\"u}berhaupt ausstellen? Wie kann man eine allt{\"a}gliche Praxis, die kaum eine Definition erlaubt, zeigen? Den Umgang mit dieser Aporie untersucht die Arbeit.}, subject = {Architektur}, language = {de} } @article{NanthakumarLahmerZhuangetal., author = {Nanthakumar, S.S. and Lahmer, Tom and Zhuang, Xiaoying and Zi, Goangseup and Rabczuk, Timon}, title = {Detection of material interfaces using a regularized level set method in piezoelectric structures}, series = {Inverse Problems in Science and Engineering}, journal = {Inverse Problems in Science and Engineering}, abstract = {Detection of material interfaces using a regularized level set method in piezoelectric structures}, subject = {Angewandte Mathematik}, language = {en} } @inproceedings{JahrSchlichDragosetal., author = {Jahr, Katrin and Schlich, Robert and Dragos, Kosmas and Smarsly, Kay}, title = {DECENTRALIZED AUTONOMOUS FAULT DETECTION IN WIRELESS STRUCTURAL HEALTH MONITORING SYSTEMS USING STRUCTURAL RESPONSE DATA}, series = {Digital Proceedings, International Conference on the Applications of Computer Science and Mathematics in Architecture and Civil Engineering : July 20 - 22 2015, Bauhaus-University Weimar}, booktitle = {Digital Proceedings, International Conference on the Applications of Computer Science and Mathematics in Architecture and Civil Engineering : July 20 - 22 2015, Bauhaus-University Weimar}, editor = {G{\"u}rlebeck, Klaus and Lahmer, Tom}, organization = {Bauhaus-Universit{\"a}t Weimar}, issn = {1611-4086}, doi = {10.25643/bauhaus-universitaet.2803}, url = {http://nbn-resolving.de/urn:nbn:de:gbv:wim2-20170314-28031}, pages = {8}, abstract = {Sensor faults can affect the dependability and the accuracy of structural health monitoring (SHM) systems. Recent studies demonstrate that artificial neural networks can be used to detect sensor faults. In this paper, decentralized artificial neural networks (ANNs) are applied for autonomous sensor fault detection. On each sensor node of a wireless SHM system, an ANN is implemented to measure and to process structural response data. Structural response data is predicted by each sensor node based on correlations between adjacent sensor nodes and on redundancies inherent in the SHM system. Evaluating the deviations (or residuals) between measured and predicted data, sensor faults are autonomously detected by the wireless sensor nodes in a fully decentralized manner. A prototype SHM system implemented in this study, which is capable of decentralized autonomous sensor fault detection, is validated in laboratory experiments through simulated sensor faults. Several topologies and modes of operation of the embedded ANNs are investigated with respect to the dependability and the accuracy of the fault detection approach. In conclusion, the prototype SHM system is able to accurately detect sensor faults, demonstrating that neural networks, processing decentralized structural response data, facilitate autonomous fault detection, thus increasing the dependability and the accuracy of structural health monitoring systems.}, subject = {Angewandte Informatik}, language = {en} } @inproceedings{MuellerLudwigSchulteSchreppingetal., author = {Mueller, Matthias and Ludwig, Horst-Michael and Schulte-Schrepping, Christoph and Breitenb{\"u}cher, Rolf}, title = {Dauerhafte Betonfahrbahndecken durch Verwendung unterschiedlicher Bindemittel in Ober- und Unterbeton}, series = {Tagungsband 19. Ibausil - 19. Internationale Baustofftagung, 16. - 18.09.2015, Weimar. Band 2}, booktitle = {Tagungsband 19. Ibausil - 19. Internationale Baustofftagung, 16. - 18.09.2015, Weimar. Band 2}, editor = {Ludwig, Horst-Michael}, organization = {F.A.Finger-Institut f{\"u}r Baustoffkunde, Bauhaus-Universit{\"a}t Weimar}, isbn = {978-3-00-050225-5 (Bauhaus-Universit{\"a}tsverlag Weimar)}, doi = {10.25643/bauhaus-universitaet.4871}, url = {http://nbn-resolving.de/urn:nbn:de:gbv:wim2-20240507-48711}, pages = {2536-2543}, abstract = {Gem{\"a}ß dem Regelwerk f{\"u}r Betonstraßen muss f{\"u}r zweischichtige Betonfahrbahndecken derselbe Zement in Ober- und Unterbeton verwendet werden. Weiterhin ist die Anrechnung von Flugasche auf den w/z-Wert nicht gestattet. Durch eine flexiblere Handhabung der Bindemittel k{\"o}nnten sich Vorteile f{\"u}r die Betonbauweise ergeben. So k{\"o}nnte z.B. der st{\"a}rker durch Frost beanspruchte Oberbeton mit CEM I hergestellt werden, w{\"a}hrend Zemente mit h{\"o}heren H{\"u}ttensandgehalten nur im Unterbeton angewendet werden. Im Unterbeton k{\"o}nnten dann Gesteinsk{\"o}rnungen eingesetzt werden, die in einer herk{\"o}mmlichen CEM I-Rezeptur als AKR-kritisch eingestuft w{\"u}rden. Anhand von AKR-Performance-Pr{\"u}fungen konnte die hohe Wirksamkeit h{\"u}ttensandhaltiger Zemente sowie auch von Flugasche auf die AKR-Verminderung aufgezeigt werden. Schon mit einem CEM II/B-S wurden AKR-kritische Rezepturen in den unkritischen Bereich verschoben. Der Frost-Tausalz-Widerstand der Betone wurde bei hohen Gehalten an H{\"u}ttensand bzw. H{\"u}ttensand + Flugasche verringert, bewegte sich aber in jedem Fall noch im g{\"u}nstigen Bereich. Um eine Beeintr{\"a}chtigung der baupraktischen Umsetzbarkeit zu vermeiden, sollte sich die Festigkeitsentwicklung von Ober- und Unterbeton im jungen Alter nicht zu stark unterscheiden. Modellberechnungen zur Festlegung einer Mindestfestigkeit f{\"u}r die fr{\"u}he Belastung sind derzeit noch in Bearbeitung.}, subject = {Beton}, language = {de} } @phdthesis{Kloke, author = {Kloke, Christina Anna}, title = {Das Manifest als Medium der Rezeptionssteuerung im Architektur- und Designdiskurs}, doi = {10.25643/bauhaus-universitaet.2428}, url = {http://nbn-resolving.de/urn:nbn:de:gbv:wim2-20150702-24284}, school = {Bauhaus-Universit{\"a}t Weimar}, pages = {225}, abstract = {In der vorliegenden Arbeit werden Manifest{\"a}ußerungen des Design- und Architekturdiskurses im situativen, medialen, institutionellen und historischen Kontext untersucht. Auf Grundlage einer Analyse der Etymologie und der Ideengeschichte des Manifestes wird anhand ausgew{\"a}hlter Beispiele die These belegt, dass das Medium vor allem der gezielten Rezeptionssteuerung im Diskurs dient. Dar{\"u}ber hinaus wird die F{\"a}higkeit und Bedeutung des Manifestes als Spiegel vergangener und gegenw{\"a}rtiger, aber auch als Wegbereiter zuk{\"u}nftiger Diskurse analysiert und Entwicklungen des Manifestes hinsichtlich Stilistik, Inhalt, Funktion und Bedeutung im Design- und Architekturdiskurs dargestellt.}, subject = {Manifest}, language = {de} } @phdthesis{Kloke, author = {Kloke, Christina Anna}, title = {Das Manifest als Medium der Rezeptionssteuerung im Architektur- und Designdiskurs}, doi = {10.25643/bauhaus-universitaet.2415}, url = {http://nbn-resolving.de/urn:nbn:de:gbv:wim2-20150623-24151}, school = {Bauhaus-Universit{\"a}t Weimar}, pages = {225}, abstract = {In der vorliegenden Arbeit werden Manifest{\"a}ußerungen des Design- und Architekturdiskurses im situativen, medialen, institutionellen und historischen Kontext untersucht. Auf Grundlage einer Analyse der Etymologie und der Ideengeschichte des Manifestes wird anhand ausgew{\"a}hlter Beispiele die These belegt, dass das Medium vor allem der gezielten Rezeptionssteuerung im Diskurs dient. Dar{\"u}ber hinaus wird die F{\"a}higkeit und Bedeutung des Manifestes als Spiegel vergangener und gegenw{\"a}rtiger, aber auch als Wegbereiter zuk{\"u}nftiger Diskurse analysiert und Entwicklungen des Manifestes hinsichtlich Stilistik, Inhalt, Funktion und Bedeutung im Design- und Architekturdiskurs dargestellt.}, subject = {Manifest}, language = {de} } @inproceedings{Koenig, author = {K{\"o}nig, Reinhard}, title = {CPlan: An Open Source Library for Computational Analysis and Synthesis}, series = {33rd eCAADe Conference}, booktitle = {33rd eCAADe Conference}, editor = {Martens, Bob and Wurzer, G, Gabriel and Grasl, Tomas and Lorenz, Wolfgang and Schaffranek, Richard}, publisher = {Vienna University of Technology}, address = {Vienna}, doi = {10.25643/bauhaus-universitaet.2503}, url = {http://nbn-resolving.de/urn:nbn:de:gbv:wim2-20160118-25037}, pages = {245 -- 250}, abstract = {Some caad packages offer additional support for the optimization of spatial configurations, but the possibilities for applying optimization are usually limited either by the complexity of the data model or by the constraints of the underlying caad system. Since we missed a system that allows to experiment with optimization techniques for the synthesis of spatial configurations, we developed a collection of methods over the past years. This collection is now combined in the presented open source library for computational planning synthesis, called CPlan. The aim of the library is to provide an easy to use programming framework with a flat learning curve for people with basic programming knowledge. It offers an extensible structure that allows to add new customized parts for various purposes. In this paper the existing functionality of the CPlan library is described.}, subject = {Architektur}, language = {en} } @article{AreiasRabczukQueirosdeMeloetal., author = {Areias, Pedro and Rabczuk, Timon and Queiros de Melo, F. J. M. and Cesar de Sa, J.M.}, title = {Coulomb frictional contact by explicit projection in the cone for _nite displacement quasi-static problems}, series = {Computational Mechanics}, journal = {Computational Mechanics}, pages = {57 -- 72}, abstract = {Coulomb frictional contact by explicit projection in the cone for _nite displacement quasi-static problems}, subject = {Angewandte Mathematik}, language = {en} } @article{ZhaoLuZhangetal., author = {Zhao, Jun-Hua and Lu, Lixin and Zhang, Zhiliang and Guo, Wanlin and Rabczuk, Timon}, title = {Continuum modeling of the cohesive energy for the interfaces between _lms, spheres, coats and substrates}, series = {Computational Materials Science}, journal = {Computational Materials Science}, pages = {432 -- 438}, abstract = {Continuum modeling of the cohesive energy for the interfaces between _lms, spheres, coats and substrates}, subject = {Angewandte Mathematik}, language = {en} } @article{TalebiSilaniRabczuk, author = {Talebi, Hossein and Silani, Mohammad and Rabczuk, Timon}, title = {Concurrent Multiscale Modelling of Three Dimensional Crack and Dislocation Propagation}, series = {Advances in Engineering Software}, journal = {Advances in Engineering Software}, pages = {82 -- 92}, abstract = {Concurrent Multiscale Modelling of Three Dimensional Crack and Dislocation Propagation}, subject = {Angewandte Mathematik}, language = {en} } @phdthesis{Sucker, author = {Sucker, Katharina}, title = {Communities in discourse and space. Towards a spatial dialectic in gated residential developments}, doi = {10.25643/bauhaus-universitaet.2346}, url = {http://nbn-resolving.de/urn:nbn:de:gbv:wim2-20150206-23466}, school = {Bauhaus-Universit{\"a}t Weimar}, pages = {243}, abstract = {This research projects deals with the discoursivity of spatial production. By looking at contemporary residential development in the city of Istanbul, I will examine the reciprocity of the material production of space on one hand, and social discourses on the other, in order to make a contribution to how physical space can be used as a source of research in urban studies. In real estate marketing social discourses are used as a source of reference for place branding or identity design. Branding concepts therefore relate to how social groups imagine their position or future position in society, imaginaries that are continuously influenced and changed by social dynamics within the city but also from the outside. How such urban identities are formed and it what way they relate to the urban environment is crucial to a wide spectrum of social and cultural science. The constitutive role urban space attains has been described and analysed in much detail. Such scrutiny however has yet to be applied to the visual and communicative forms of engagement, the build environment partakes in the formation and change of social discourses.}, subject = {Architektur}, language = {en} } @article{Bargstaedt, author = {Bargst{\"a}dt, Hans-Joachim}, title = {Challenges of BIM for Construction Site Operations}, series = {Procedia Engineering}, journal = {Procedia Engineering}, doi = {10.1016/j.proeng.2015.08.123}, url = {http://nbn-resolving.de/urn:nbn:de:gbv:wim2-20170413-31218}, pages = {52 -- 59}, abstract = {Building Information Modeling is a powerful tool for the design and for a consistent set of data in a virtual storage. For the application in the phases of realization and on site it needs further development. The paper describes main challenges and main features, which will help the development of software to better service the needs of construction site managers}, subject = {Building Information Modeling}, language = {en} } @inproceedings{AlaladeKafleWuttkeetal., author = {Alalade, Muyiwa and Kafle, Binod and Wuttke, Frank and Lahmer, Tom}, title = {CALIBRATION OF CYCLIC CONSTITUTIVE MODELS FOR SOILS BY OSCILLATING FUNCTIONS}, series = {Digital Proceedings, International Conference on the Applications of Computer Science and Mathematics in Architecture and Civil Engineering : July 20 - 22 2015, Bauhaus-University Weimar}, booktitle = {Digital Proceedings, International Conference on the Applications of Computer Science and Mathematics in Architecture and Civil Engineering : July 20 - 22 2015, Bauhaus-University Weimar}, editor = {G{\"u}rlebeck, Klaus and Lahmer, Tom}, organization = {Bauhaus-Universit{\"a}t Weimar}, issn = {1611-4086}, doi = {10.25643/bauhaus-universitaet.2793}, url = {http://nbn-resolving.de/urn:nbn:de:gbv:wim2-20170314-27932}, pages = {6}, abstract = {In order to minimize the probability of foundation failure resulting from cyclic action on structures, researchers have developed various constitutive models to simulate the foundation response and soil interaction as a result of these complex cyclic loads. The efficiency and effectiveness of these model is majorly influenced by the cyclic constitutive parameters. Although a lot of research is being carried out on these relatively new models, little or no details exist in literature about the model based identification of the cyclic constitutive parameters. This could be attributed to the difficulties and complexities of the inverse modeling of such complex phenomena. A variety of optimization strategies are available for the solution of the sum of least-squares problems as usually done in the field of model calibration. However for the back analysis (calibration) of the soil response to oscillatory load functions, this paper gives insight into the model calibration challenges and also puts forward a method for the inverse modeling of cyclic loaded foundation response such that high quality solutions are obtained with minimum computational effort. Therefore model responses are produced which adequately describes what would otherwise be experienced in the laboratory or field.}, subject = {Angewandte Informatik}, language = {en} }