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Publisher DOI: 10.1007/s11081-022-09770-z
Title: Semi-intrusive approach for stiffness and strength topology optimization under uncertainty
Language: English
Authors: Steltner, Kai  
Pedersen, Claus B.W. 
Kriegesmann, Benedikt  
Keywords: Robust design optimization; Semi-intrusive approach; Taylor series approach; Topology optimization; Uncertainty
Issue Date: 28-Sep-2022
Publisher: Springer Science + Business Media B.V
Source: Optimization and Engineering (in Press): (2022)
Abstract (english): 
A semi-intrusive approach for robust design optimization is presented. The stochastic moments of the objective function and constraints are estimated using a Taylor series-based approach, which requires derivatives with respect to design variables, random variables as well as mixed derivatives. The required derivatives with respect to design variables are determined using the intrusive adjoint method available in commercial software. The partial derivatives with respect to random parameters as well as the mixed second derivatives are approximated non-intrusively using finite differences. The presented approach provides a semi-intrusive procedure for robust design optimization at reasonable computational cost while allowing an arbitrary choice of random parameters. The approach is implemented as an add-on for commercial software. The method and its limitations are demonstrated by academic test cases and industrial applications.
DOI: 10.15480/882.4830
ISSN: 1573-2924
Journal: Optimization and engineering 
Institute: Strukturmechanik im Leichtbau M-24 
Document Type: Article
Project: Projekt DEAL 
Funded by: Behörde für Wissenschaft, Forschung und Gleichstellung 
License: CC BY 4.0 (Attribution) CC BY 4.0 (Attribution)
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