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Global Optimization of Composite Structures Using Triangular Patch Algorithm
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 Title & Authors
Global Optimization of Composite Structures Using Triangular Patch Algorithm
O, Seung-Hwan; Lee, Byeong-Chae;
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Several design problems of composite structures are studied via a global optimizer based on attraction regions. MSC/NASTRAN is adopted for static and eigenvalue analysis. The method of modified feasible direction in DOT is used for local optimization. Through the review of global optimization algorithms, the triangular patch algorithm is selected because the algorithm is known to be efficient, robust and powerful for general nonlinear optimization problems. For general applicability, various mechanical properties are considered as design objectives; strain energy, eigenvalue, weight, displacement, and buckling load. In all cases considered, the triangular patch algorithm results in a lot of optimum points and useful design patterns, that are not easy by local algorithms or conventional global algorithms can be determined.
Global Optimization;Triangular Patch Algorithm;Composite Structure;
 Cited by
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