Shape optimization with Adaptive Mesh Refinement: Target error selection strategies

Shape optimization with Adaptive Mesh Refinement: Target error selection strategies

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Article ID: iaor1998800
Country: Netherlands
Volume: 28
Issue: 1/2
Start Page Number: 95
End Page Number: 125
Publication Date: May 1997
Journal: Engineering Optimization
Authors: , ,
Keywords: design, optimization, adaptive processes
Abstract:

The multi-point approximation method in conjunction with Adaptive Mesh Refinement (AMR) for shape optimization of thin-walled structures is studied. Application of AMR is done in such a manner that in the beginning of an optimization process large discretization errors are accepted, while finite element discretizations become more accurate as the optimization process progresses. In this paper several strategies for selecting the target discretization errors are investigated. Special attention is paid to both the overall computational effort and the convergence of the optimization processes.

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