International Journal of Aeronautical and Space Sciences

The Korean Society for Aeronautical and Space Sciences (한국항공우주학회)
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Optimization of Composite Laminates Subjected to High Velocity Impact Using a Genetic Algorithm

  • Nguyen, Khanh-Hung (Research Center for Aircraft Parts Technology, School of Mechanical and Aerospace Engineering, Gyeongsang National University) ;
  • Ahn, Jeoung-Hee (Research Center for Aircraft Parts Technology, School of Mechanical and Aerospace Engineering, Gyeongsang National University) ;
  • Kweon, Jin-Hwe (Research Center for Aircraft Parts Technology, School of Mechanical and Aerospace Engineering, Gyeongsang National University) ;
  • Choi, Jin-Ho (Research Center for Aircraft Parts Technology, School of Mechanical and Aerospace Engineering, Gyeongsang National University)
  • Published : 2010.09.15
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Abstract

In this study, a genetic algorithm was utilized to optimize the stacking sequence of a composite plate subjected to a high velocity impact. The aim is to minimize the maximum backplane displacement of the plate. In the finite element model, we idealized the impactor using solid elements and modeled the composite plate by shell elements to reduce the analysis time. Various tests were carried out to investigate the effect of parameters in the genetic algorithm such as the type of variables, population size, number of discrete variables, and mutation probability.

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