OPTIMIZATION OF LAYUP STACKING SEQUENCE IN COMPOSITE LAMINATE WITH CENTRAL HOLE BASED ON GENETIC ALGORITHM

Abstract

Abstract: The Genetic Algorithm (GA) was applied to conduct the optimal design of layup stacking sequence in laminate with central hole, where the maximization of fundamental natural frequency was selected as the objective function. The fundamental frequency was calculated by using the Rayleigh Ritz method based on independent coordinate coupling method. The optimal layup stacking sequence was obtained by the GA for random search of layup stacking sequence. The effects of layer number, hole size, length to width ratio and boundary condition on the optimal layup stacking sequence were investigated. Finally, it is found that the layer number and hole size do not affect the optimal layup stacking sequence, while the length to width ratio has great influence on the optimal layup stacking sequence.

Key words: laminate, hole, layup optimization, Genetic Algorithm, fundamental frequency

CLC Number:

TB332

GUO Yan, HUANG Bin, QIAN Zheng-hua. OPTIMIZATION OF LAYUP STACKING SEQUENCE IN COMPOSITE LAMINATE WITH CENTRAL HOLE BASED ON GENETIC ALGORITHM[J]. Fiber Reinforced Plastics/Composites, 2018, 0(12): 5-10.

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