期刊
STRUCTURAL AND MULTIDISCIPLINARY OPTIMIZATION
卷 43, 期 6, 页码 811-825出版社
SPRINGER
DOI: 10.1007/s00158-011-0625-z
关键词
Material interpolation; Topology optimization; Multi-material parametrization; Composite materials
资金
- Danish Research Council for Technology and Production Sciences (FTP) [274-06-0443]
This paper presents two multi-material interpolation schemes as direct generalizations of the well-known SIMP and RAMP material interpolation schemes originally developed for isotropic mixtures of two isotropic material phases. The new interpolation schemes provide generally applicable interpolation schemes between an arbitrary number of pre-defined materials with given (anisotropic) properties. The method relies on a large number of sparse linear constraints to enforce the selection of at most one material in each design subdomain. Topology and multi-material optimization is formulated within a unified parametrization.
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