Optimization of Composite Laminates for Fundamental Frequency

Shun Fa Hwang; Yi Lung Lin; Yuder Chen

doi:10.4028/www.scientific.net/AMM.764-765.71

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 764-765Optimization of Composite Laminates for...

Optimization of Composite Laminates for Fundamental Frequency

Abstract:

To maximize the fundamental frequency of composite laminates, a hybrid optimization algorithm which combines the respective merits of the genetic algorithm and the simulated annealing algorithm is adopted. This hybrid algorithm also incorporates adaptive mechanisms designed to adjust the probabilities of the cross-over and mutation operators. Then, this algorithm is applied to optimize the fiber angle of each layer of a composite laminate such that its fundamental natural frequency is maximized. The results indicate that this hybrid optimization algorithm could quickly find the optimal fiber angles and maximize the fundamental frequency, even under complicated choices of fiber angle and boundary conditions.

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Periodical:

Applied Mechanics and Materials (Volumes 764-765)

Pages:

71-75

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.764-765.71

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Online since:

May 2015

Authors:

Shun Fa Hwang*, Yi Lung Lin, Yuder Chen

Keywords:

Composite Material, Fundamental Frequency, Genetic Algorithm (GA), Optimization, Simulated Annealing (SA)

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* - Corresponding Author

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