Optimization of Stacking Sequence of Composite Laminates for Optimizing Buckling Load by Neural Network and Genetic Algorithm

M  H  Hajmohammad; M  Salari; S  A  Hashemi  and M  Hemmat Esfe

doi:10.17485/ijst/2013/v6i8.22

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Optimization of Stacking Sequence of Composite Laminates for Optimizing Buckling Load by Neural Network and Genetic Algorithm

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Indian Journal of Science and Technology

DOI: 10.17485/ijst/2013/v6i8.22

Year: 2013, Volume: 6, Issue: 8, Pages: 1-8

Original Article

Optimization of Stacking Sequence of Composite Laminates for Optimizing Buckling Load by Neural Network and Genetic Algorithm

M. H. Hajmohammad¹ , M. Salari¹ , S. A. Hashemi¹ and M. Hemmat Esfe^2*

¹Department of Mechanical Engineering, [email protected]
[email protected]
² Department of Mechanical Engineering, [email protected]
*Author For Correspondence
M. Hemmat Esfe
Department of Mechanical Engineering,
Email:[email protected]

This work is licensed under a Creative Commons Attribution 4.0 International License.

Abstract

Composite beams, plates and shells are widely used in the aerospace industry because of their advantages over the commonly used isotropic structures especially when it comes to weight savings. Buckling analyses of composite structural components must be performed in order to ensure, for instance, that a composite panel designed to be part of a control surface does not buckle thereby compromising its aerodynamic shape. Optimization of composite structures has been performed in this paper using Genetic algorithm. Genetic algorithm (GA) approaches are successfully implemented for the TSP. The buckling load of composite plate, which is obtained by the Artificial Neural Networks, was used as the fitness function in the GA to find its optimized value by arranging the ply stacking sequence.
Keywords: Stacking Sequence, Genetic Algorithms, Composite Laminate, Buckling Load, Neural Networks.