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Relating phase field and sharp interface approaches to structural topology optimization

URN to cite this document:
urn:nbn:de:bvb:355-epub-345788
Blank, Luise ; Garcke, Harald ; Farshbaf-Shaker, Hassan ; Styles, Vanessa
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Date of publication of this fulltext: 30 Sep 2016 08:53


Abstract

A phase field approach for structural topology optimization which allows for topology changes and multiple materials is analyzed. First order optimality conditions are rigorously derived and it is shown via formally matched asymptotic expansions that these conditions converge to classical first order conditions obtained in the context of shape calculus. We also discuss how to deal with triple ...

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