Topology optimization of multi-material structures considering anisotropic yield strengths

•Multi-material topology optimization framework with anisotropic strengths is developed.•Systematical guideline for preselecting candidate materials before optimization is proposed.•Efficiency of candidate materials on strength performance can be quantified as Eσ¯/ρ3.•Existence condition of material...

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Bibliographic Details
Published in:Computer methods in applied mechanics and engineering 2024-01, Vol.418, p.116520, Article 116520
Main Authors: Liu, Baoshou, Cui, Yinan
Format: Article
Language:English
Subjects:
Anisotropic strengths
Multi-material structure
Preselection method of multiple materials
Topology optimization
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Summary:•Multi-material topology optimization framework with anisotropic strengths is developed.•Systematical guideline for preselecting candidate materials before optimization is proposed.•Efficiency of candidate materials on strength performance can be quantified as Eσ¯/ρ3.•Existence condition of material i in multi-material designs is stated as: Eiσ¯i
ISSN:0045-7825
1879-2138
DOI:10.1016/j.cma.2023.116520