UB Weimar OPUS 4.6.3

A dynamic XFEM formulation for crack identification (2016)

Zhang, Chao ; Wang, Cuixia ; Lahmer, Tom ; He, Pengfei ; Rabczuk, Timon

A dynamic XFEM formulation for crack identification

A novel parameter identification approach for buffer elements involving complex coupled thermo-hydro-mechanical analyses (2016)

Nguyen-Tuan, Long ; Lahmer, Tom ; Datcheva, Maria ; Stoimenova, Eugenia ; Schanz, Tom

A novel parameter identification approach for buffer elements involving complex coupled thermo-hydro-mechanical analyses

A software framework for probabilistic sensitivity analysis for computationally expensive models (2016)

Vu-Bac, N. ; Lahmer, Tom ; Zhuang, Xiaoying ; Nguyen-Thoi, T. ; Rabczuk, Timon

A software framework for probabilistic sensitivity analysis for computationally expensive models

A stochastic computational method based on goal-oriented error estimation for heterogeneous geological materials (2016)

Ghorashi, Seyed Shahram ; Lahmer, Tom ; Bagherzadeh, Amir Saboor ; Zi, Goangseup ; Rabczuk, Timon

A stochastic computational method based on goal-oriented error estimation for heterogeneous geological materials

A unified framework for stochastic predictions of Young's modulus of clay/epoxy nanocomposites (PCNs) (2015)

Vu-Bac, N. ; Silani, Mohammad ; Lahmer, Tom ; Zhuang, Xiaoying ; Rabczuk, Timon

A unified framework for stochastic predictions of Young's modulus of clay/epoxy nanocomposites (PCNs)

Bewertungsmethoden für Modelle des konstruktiven Ingenieurbaus (2011)

Lahmer, Tom ; Knabe, Tina ; Nikulla, Susanne ; Reuter, Markus

Bewertungsmethoden für Modelle des konstruktiven Ingenieurbaus

Conceptual implementation of the variance-based sensitivity analysis for the calculation of the first-order effects (2016)

Marzban, Samira ; Lahmer, Tom

Conceptual implementation of the variance-based sensitivity analysis for the calculation of the first-order effects

Crack identification in hydro-mechanical systems with applications to gravity water dams (2010)

Lahmer, Tom

Crack identification in hydro-mechanical systems with applications to gravity water dams

Damage identification in gravity dams using dynamic coupled hydro-mechanical XFEM (2017)

Alalade, Muyiwa ; Nguyen-Tuan, Long ; Wuttke, Frank ; Lahmer, Tom

Damage identification in gravity dams using dynamic coupled hydro-mechanical XFEM.

Detection of material interfaces using a regularized level set method in piezoelectric structures (2016)

Nanthakumar, S.S. ; Lahmer, Tom ; Zhuang, Xiaoying ; Zi, Goangseup ; Rabczuk, Timon

Detection of material interfaces using a regularized level set method in piezoelectric structures

Detection of material interfaces using a regularized level set method in piezoelectric structures (2015)

Nanthakumar, S.S. ; Lahmer, Tom ; Zhuang, Xiaoying ; Zi, Goangseup ; Rabczuk, Timon

Detection of material interfaces using a regularized level set method in piezoelectric structures

Detection of multiple flaws in piezoelectric structures using XFEM and level sets (2014)

Nanthakumar, S.S. ; Lahmer, Tom ; Rabczuk, Timon

Detection of multiple flaws in piezoelectric structures using XFEM and level sets

Detection of multiple flaws in piezoelectric structures using XFEM and level sets (2016)

Nanthakumar, S.S. ; Lahmer, Tom ; Rabczuk, Timon

Detection of multiple flaws in piezoelectric structures using XFEM and level sets

Enhanced homogenization technique for magnetomechanical systems using the generalized finite element method (2009)

Hauck, A. ; Lahmer, Tom ; Kaltenbacher, Manfred

Enhanced homogenization technique for magnetomechanical systems using the generalized finite element method

Evaluation of coupled partial models in structural engineering using graph theory and sensitivity analysis (2011)

Keitel, Holger ; Karaki, Ghada ; Lahmer, Tom ; Nikulla, Susanne ; Zabel, Volkmar

Evaluation of coupled partial models in structural engineering using graph theory and sensitivity analysis

Extended Finite Element Method for Dynamic Fracture of Piezo-Electric Materials (2012)

Nguyen-Vinh, H. ; Bakar, I. ; Msekh, Mohammed Abdulrazzak ; Song, Jeong-Hoon ; Muthu, Jacob ; Zi, Goangseup ; Le, P. ; Bordas, Stéphane Pierre Alain ; Simpson, R. ; Natarajan, S. ; Lahmer, Tom ; Rabczuk, Timon

We present an extended finite element formulation for dynamic fracture of piezo-electric materials. The method is developed in the context of linear elastic fracture mechanics. It is applied to mode I and mixed mode-fracture for quasi-steady cracks. An implicit time integration scheme is exploited. The results are compared to results obtained with the boundary element method and show excellent agreement.

Fem-based determination of real and complex elastic, dielectric, and piezoelectric moduli in piezoceramic materials (2008)

Lahmer, Tom ; Kaltenbacher, Manfred ; Kaltenbacher, Barbara ; Lerch, Reinhard ; Leder, Erich

Fem-based determination of real and complex elastic, dielectric, and piezoelectric moduli in piezoceramic materials.

Global and local sensitivity analyses for coupled thermo‐hydro‐mechanical problems (2016)

Nguyen-Tuan, Long ; Lahmer, Tom ; Datcheva, Maria ; Schanz, Tom

Global and local sensitivity analyses for coupled thermo‐hydro‐mechanical problems

Global Sensitivity Analysis of Reinforced Concrete Walls Subjected to Standard Fire - A Comparison of Methods (2017)

Achenbach, Marcus ; Lahmer, Tom ; Morgenthal, Guido

Global Sensitivity Analysis of Reinforced Concrete Walls Subjected to Standard Fire—A Comparison of Methods

Identification of constitutive parameters of soil using an optimization strategy and statistical analysis (2013)

Knabe, Tina ; Datcheva, Maria ; Lahmer, Tom ; Cotecchia, F. ; Schanz, Tom

Identification of constitutive parameters of soil using an optimization strategy and statistical analysis

Identification of the thermal properties of concrete for the temperature calculation of concrete slabs and columns subjected to a standard fire—Methodology and proposal for simplified formulations (2017)

Achenbach, Marcus ; Lahmer, Tom ; Morgenthal, Guido

Identification of the thermal properties of concrete for the temperature calculation of concrete slabs and columns subjected to a standard fire—Methodology and proposal for simplified formulations

Modified Landweber iterations in a multilevel algorithm applied to inverse problems in piezoelectricity (2009)

Lahmer, Tom

Modified Landweber iterations in a multilevel algorithm applied to inverse problems in piezoelectricity

Multiple cracks identification for piezoelectric structures (2017)

Zhang, Chao ; Nanthakumar, S.S. ; Lahmer, Tom ; Rabczuk, Timon

Multiple cracks identification for piezoelectric structures

Non-destructive identification of residual stresses in steel under thermal loadings (2016)

Lahmer, Tom ; Bock, Sebastian ; Hildebrand, Jörg ; Gürlebeck, Klaus

Non-destructive identification of residual stresses in steel under thermal loadings

Numerical modeling and validation for 3D coupled-nonlinear thermo-hydro-mechanical problems in masonry dams (2017)

Nguyen-Tuan, Long ; Könke, Carsten ; Bettzieche, Volker ; Lahmer, Tom

Numerical modeling and validation for 3D coupled-nonlinear thermo-hydro-mechanical problems in masonry dams

Optimal experimental design for nonlinear ill-posed problems applied to gravity dams (2011)

Lahmer, Tom

Optimal experimental design for nonlinear ill-posed problems applied to gravity dams

Optimal measurement selection for piezoelectric material tensor identification (2008)

Lahmer, Tom ; Kaltenbacher, Barbara ; Schulz, V.

Optimal measurement selection for piezoelectric material tensor identification.

Optimal positioning of sensors for the monitoring of water dams (2010)

Lahmer, Tom ; Könke, Carsten ; Bettzieche, Volker

Optimal positioning of sensors for the monitoring of water dams

Optimale Positionierung von Messeinrichtungen an Staumauern zur Bauwerksüberwachung (2010)

Lahmer, Tom ; Könke, Carsten ; Bettzieche, Volker

Optimale Positionierung von Messeinrichtungen an Staumauern zur Bauwerksüberwachung

PDE based determination of piezoelectric material tensors (2006)

Kaltenbacher, Barbara ; Lahmer, Tom ; Mohr, Marcus ; Kaltenbacher, Manfred

PDE based determination of piezoelectric material tensors.

Predicting The Fracture Toughness of PNCs: A Stochastic Approach Based on ANN and ANFIS (2015)

Hamdia, K. ; Lahmer, Tom ; Nguyen-Thoi, T. ; Rabczuk, Timon

Predicting The Fracture Toughness of PNCs: A Stochastic Approach Based on ANN and ANFIS

Stochastic predictions of bulk properties of amorphous polyethylene based on molecular dynamics simulations (2014)

Vu-Bac, N. ; Lahmer, Tom ; Keitel, Holger ; Zhao, Jun-Hua ; Zhuang, Xiaoying ; Rabczuk, Timon

Stochastic predictions of bulk properties of amorphous polyethylene based on molecular dynamics simulations

Stochastic predictions of interfacial characteristic of polymeric nanocomposites (PNCs) (2014)

Vu-Bac, N. ; Lahmer, Tom ; Zhang, Yancheng ; Zhuang, Xiaoying ; Rabczuk, Timon

Stochastic predictions of interfacial characteristic of polymeric nanocomposites (PNCs)

Synthese und Analyse von gekoppelten Modellen im konstruktiven Ingenieurbau (2011)

Stein, Peter ; Lahmer, Tom ; Bock, Sebastian

Synthese und Analyse von gekoppelten Modellen im konstruktiven Ingenieurbau

Thermo-hydro-mechanische 3-D-Simulation von Staumauern‐Modellierung und Validierung (2016)

Lahmer, Tom ; Nguyen-Tuan, Long ; Könke, Carsten ; Bettzieche, Volker

Thermo-hydro-mechanische 3-D-Simulation von Staumauern‐Modellierung und Validierung

Topology optimization of piezoelectric nanostructures (2016)

Nanthakumar, S.S. ; Lahmer, Tom ; Zhuang, Xiaoying ; Park, Harold S. ; Rabczuk, Timon

Topology optimization of piezoelectric nanostructures

Uncertainty analysis in multiscale modeling of concrete based on continuum micromechanics (2017)

Göbel, Luise ; Lahmer, Tom ; Osburg, Andrea

Uncertainty analysis in multiscale modeling of concrete based on continuum micromechanics

Uncertainty quantification for multiscale modeling of polymer nanocomposites with correlated parameters (2015)

Vu-Bac, N. ; Rafiee, Roham ; Zhuang, Xiaoying ; Lahmer, Tom ; Rabczuk, Timon

Uncertainty quantification for multiscale modeling of polymer nanocomposites with correlated parameters

Uncertainty quantification of dry woven fabrics: A sensitivity analysis on material properties (2014)

Ilyani Akmar, A.B. ; Lahmer, Tom ; Bordas, Stéphane Pierre Alain ; Beex, L.A.A. ; Rabczuk, Timon

Uncertainty quantification of dry woven fabrics: A sensitivity analysis on material properties

Variance-based sensitivity analyses of piezoelectric models (2015)

Lahmer, Tom ; Ilg, J. ; Lerch, Reinhard

Variance-based sensitivity analyses of piezoelectric models

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