Composites Research

The Korean Society for Composite Materials (한국복합재료학회)
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Optimum Design of Composite Structures using Metamodels

메타모델을 이용한 복합재료 구조물의 최적 설계

  • 이재훈 (한국과학기술원 기계공학과 항공우주공학전공 대학원) ;
  • 강지호 (한국과학기술원 기계공학과 항공우주공학전공 대학원) ;
  • 홍창선 (한국과학기술원 기계공학과 항공우주공학전공) ;
  • 김천곤 (한국과학기술원 기계공학과 항공우주공학전공)
  • Published : 2003.08.01
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Abstract

In this research, the optimization of composite structures was performed using metamodels. The optimization of composite structures requires a lot of time when optimizing the result of the time-consuming analysis. Thus, metamodels are used to replace the time-consuming analysis with simple models. RSM, kriging and neural networks are widely used metamodels. RSM and kriging were used in this study. The ultimate failure load analysis of the composite structure was approximated by metamodels. The optimizations of the composite plate were performed to maximize ultimate failure load using genetic algorithm and metamodels.

본 논문에서는 메타모델을 이용한 복합재 구조물의 지적화가 수행되었다. 일반적으로 복합재 구조물에서 시간이 오래 걸리는 해석의 결과를 최적화하고자 할 때 전체 최적화에 많은 시간이 든다. 따라서 이와 같은 구조물 해석을 메타 모델로 치환해 보았다. 본 연구에서는 RSM, kriging과 같은 메타모델을 사용하였다. 복합재 평판의 최종 파손 강도 해석을 메타모델을 이용해 근사화하였다 최종 파손 강도를 최대화하는 최적화를 유전자 알고리즘과 메타로델을 이용해 수행하였다.

Keywords

References

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