Optimal Design of Composite Wing-Box by Genetic Algorithm

Guang Rong Pu; Peng Gang Mu

doi:10.4028/www.scientific.net/AMM.697.365

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 697Optimal Design of Composite Wing-Box by Genetic...

Optimal Design of Composite Wing-Box by Genetic Algorithm

Abstract:

With the increasing use of composite materials in aviation structures, stability and weights of wing-box are important projects that engineers care about. In this paper, the genetic algorithm is chosen to deal with the conceptual design problems of composite wing-box. For the more excellent capabilities in optimization computation of multi-dimensional functions, particularly when overcoming local-best solutions, genetic algorithm is presented to determine the design variables of complicated wing-box. Optimization algorithm is realized with MATLAB software, which calls the finite element program MSC.Nastran to get buckling load factors, and structural layout, thickness of plies and minimum weight of wing-box are obtained simultaneously. The results show that the approach proposed is available, effective to preliminary design of the mainly aeronautical structures.

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Periodical:

Applied Mechanics and Materials (Volume 697)

Pages:

365-368

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.697.365

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Online since:

November 2014

Authors:

Guang Rong Pu, Peng Gang Mu*

Keywords:

Composite Wing-Box, Genetic Algorithm (GA), Optimal Design

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* - Corresponding Author

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