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  • Lahmer, Tom (1)
  • Schmidt, Albrecht (1)

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  • Polymorphie (1)
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Efficient domain decomposition based reliability analysis for polymorphic uncertain material parameters (2021)
Schmidt, Albrecht ; Lahmer, Tom
Realistic uncertainty description incorporating aleatoric and epistemic uncertainties can be described within the framework of polymorphic uncertainty, which is computationally demanding. Utilizing a domain decomposition approach for random field based uncertainty models the proposed level-based sampling method can reduce these computational costs significantly and shows good agreement with a standard sampling technique. While 2-level configurations tend to get unstable with decreasing sampling density 3-level setups show encouraging results for the investigated reliability analysis of a structural unit square.
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