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Structural and Multidisciplinary Optimization

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23.04.2021 | Research Paper

Length scale control for high-resolution three-dimensional level set–based topology optimization

verfasst von: Niels Aage, Reinier Giele, Casper Schousboe Andreasen

Erschienen in: Structural and Multidisciplinary Optimization | Ausgabe 3/2021

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Abstract

This work considers an efficient approach for length scale control in high-resolution three-dimensional level set–based topology optimization. A contrast parameter–based cut element method is employed to ensure a crisp interface representation while working on fixed background hexahedral meshes. This enables the use of efficient multigrid preconditioned Krylov methods in massively parallelized computations. The minimum length scale is controlled using a projection filter without the need for β-continuation. The capabilities of the proposed approach is demonstrated on several numerical examples using more than 62 million hexahedral elements.

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Titel: Length scale control for high-resolution three-dimensional level set–based topology optimization
verfasst von: Niels Aage
Reinier Giele
Casper Schousboe Andreasen
Publikationsdatum: 23.04.2021
Verlag: Springer Berlin Heidelberg
Erschienen in: Structural and Multidisciplinary Optimization / Ausgabe 3/2021
Print ISSN: 1615-147X
Elektronische ISSN: 1615-1488
DOI: https://doi.org/10.1007/s00158-021-02904-4

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