Published in Int. J. Simul. Multidisci. Des. Optim., Vol. 3 (3), pp. 363-369, 2009
DOI: 10.1051/ijsmdo/2009012


This work analyzes the influence of the discretization error contained in the Finite Element (FE) analyses of each design configuration proposed by structural shape optimization algorithms over the behaviour of the algorithm. If the FE analyses are not accurate enough, the final solution will neither be optimal nor satisfy the constraints. The need for the use of adaptive FE analysis techniques in shape optimum design will be shown. The paper also proposes the use of the algorithm described in [1] in order to reduce the computational cost associated to the adaptive FE analysis of each geometrical configuration when evolutive optimization algorithms are used.

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Published on 01/01/2009

DOI: 10.1051/ijsmdo/2009012
Licence: CC BY-NC-SA license

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