On the application of genetic algorithms for optimising composites against impact loading
作者： M. Yong , B.G. Falzon , L. Iannucci
DOI: 10.1016/J.IJIMPENG.2007.10.004
关键词: Impact loading 、 Engineering 、 Deflection (engineering) 、 Fiber orientation 、 Composite number 、 LS-DYNA 、 Optimal design 、 Genetic algorithm 、 Finite element method 、 Mechanical engineering 、 Structural engineering
摘要: Abstract A genetic algorithm (GA) was adopted to optimise the response of a composite laminate subject impact. Two different impact scenarios are presented: low-velocity slender laminated strip and high-velocity rectangular plate by spherical impactor. In these cases, GA's objective to, respectively, minimise peak deflection penetration varying ply angles. The GA coupled commercial finite-element (FE) package LS DYNA perform analyses. comparison with optimisation package, OPT, also made. results showed that robust, capable tool produced near optimal designs, performed well respect OPT for more complex scenario tested.
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