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

01.05.2015 | RESEARCH PAPER

Filter the shape sensitivity in level set-based topology optimization methods

verfasst von: Benliang Zhu, Xianmin Zhang, Sergej Fatikow

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

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Abstract

Filtering methods are widely used in density-based topology optimization methods, such as the SIMP method, to prevent checkerboards and mesh dependency due to their ease of implementation and their efficiency. In this study, several filtering schemes are presented to filter the shape sensitivity in level set-based structural topology optimization methods. It is revealed that filtering of the shape sensitivity can yield convergence with less iterations without considerably increasing the computing time of each iteration step. Thus, it can improve the overall computational efficiency. The validity of the method is tested on both the mean compliance minimization problem and the compliant mechanisms design problem.
Vorheriger Artikel Performance study of multi-fidelity gradient enhanced kriging
Nächster Artikel An adaptive hybrid approach for reliability-based design optimization

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Metadaten
Titel
Filter the shape sensitivity in level set-based topology optimization methods
verfasst von
Benliang Zhu
Xianmin Zhang
Sergej Fatikow
Publikationsdatum
01.05.2015
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/s00158-014-1194-8

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