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Media type:
E-Book;
Report;
Text
Title:
Relating phase field and sharp interface approaches to structural topology optimization
Contributor:
Blank, Luise
[Author];
Farshbaf-Shaker, M. Hassan
[Author];
Garcke, Harald
[Author];
Styles, Vanessa
[Author]
imprint:
Berlin : Weierstraß-Institut für Angewandte Analysis und Stochastik, 2013
Issue:
published Version
Language:
English
DOI:
https://doi.org/10.34657/3084
ISSN:
0946-8633;
0946-8633
Origination:
Footnote:
Diese Datenquelle enthält auch Bestandsnachweise, die nicht zu einem Volltext führen.
Description:
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 junctions where e.g. two materials and the void meet. Finally, we present several numerical results for mean compliance problems and a cost involving the least square error to a target displacement.