期刊
COMPOSITE STRUCTURES
卷 92, 期 11, 页码 2781-2790出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.compstruct.2010.04.003
关键词
Ply angle; Optimization; Evolutionary algorithm; Sensitivity analysis
资金
- Swiss National Science Foundation (SNF) [200021-II 968911]
An evolutionary algorithm approach aimed at the global optimization of ply angles in laminated composites is proposed. The algorithm is enriched by first-order local search and a niching strategy. Genetic variation operators are tailored to the special properties of ply angle optimization problems. Cyclic box-constraints are considered in the crossover, mutation, and niching operations. All experiments on three academic benchmark problems are able to identify a global optimal solution. Two case studies illustrate the applicability of the method on typical engineering problems. (C) 2010 Elsevier Ltd. All rights reserved.
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