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Structural and Multidisciplinary Optimization
Erschienen in: Structural and Multidisciplinary Optimization 5/2015

07.07.2015 | RESEARCH PAPER

Stress-constrained topology optimization for compliant mechanism design

verfasst von: Daniel M. De Leon, Joe Alexandersen, Jun S. O. Fonseca, Ole Sigmund

Erschienen in: Structural and Multidisciplinary Optimization | Ausgabe 5/2015

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Abstract

This article presents an application of stress-constrained topology optimization to compliant mechanism design. An output displacement maximization formulation is used, together with the SIMP approach and a projection method to ensure convergence to nearly discrete designs. The maximum stress is approximated using a normalized version of the commonly-used p-norm of the effective von Mises stresses. The usual problems associated with topology optimization for compliant mechanism design: one-node and/or intermediate density hinges are alleviated by the stress constraint. However, it is also shown that the stress constraint alone does not ensure mesh-independency.
Vorheriger Artikel Worst-case topology optimization of self-weight loaded structures using semi-definite programming
Nächster Artikel An adaptive reliability method combining relevance vector machine and importance sampling

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Metadaten
Titel
Stress-constrained topology optimization for compliant mechanism design
verfasst von
Daniel M. De Leon
Joe Alexandersen
Jun S. O. Fonseca
Ole Sigmund
Publikationsdatum
07.07.2015
Verlag
Springer Berlin Heidelberg
Erschienen in
Structural and Multidisciplinary Optimization / Ausgabe 5/2015
Print ISSN: 1615-147X
Elektronische ISSN: 1615-1488
DOI
https://doi.org/10.1007/s00158-015-1279-z

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