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Shape optimization of periodic structures
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DOI：10.1007/s00466-002-0382-3.png)
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摘要
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This paper describes a numerical approach to the optimization of effective properties of periodic perforations in an infinite body, in the frameworks of heat conduction and of linear elasticity. We implement a special finite element mesh in order to deal with the periodic nature of the problem. We compute the gradient of the functional to be minimized. We describe the process of mesh deformation and mesh regeneration. We give several numerical examples, some of them having practical relevance.
Keyword:
inverse homogenization
shape optimization
periodic structures
effective coefficients
finite element
mesh regeneration
