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Minimum stress optimal design with the level set method
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DOI：10.1016/j.enganabound.2007.05.007.png)
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Abstract
En 中文
This paper is devoted to minimum stress design in structural optimization. We propose a simple and efficient numerical algorithm for shape and topology optimization based on the level set method coupled with the topological derivative. We compute a shape derivative, as well as a topological derivative, for a stress-based objective function. Using an adjoint equation we implement a gradient algorithm for the minimization of the objective function. Several numerical examples in 2-d and 3-d are discussed. (c) 2008 Elsevier Ltd. All rights reserved.
Keywords:
Level set method
Shape derivative
Topological derivative
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