Journal of the Korean Society of Manufacturing Technology Engineers (한국생산제조학회지)

The Korean Society of Manufacturing Technology Engineers (한국생산제조학회)
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Structural Optimization using Reliability Analysis

신뢰성 해석을 이용한 구조최적화

  • 박재용 (한양대학교 기계공학과) ;
  • 임민규 (한양대학교 대학원 기계공학과) ;
  • 오영규 (한양대학교 대학원 기계공학과) ;
  • 박재용 (한양대학교 대학원 기계공학과) ;
  • 한석영 (한양대학교 기계공학부)
  • Received : 2009.11.30
  • Accepted : 2010.02.17
  • Published : 2010.04.15
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Abstract

This paper presents a reliability-based topology optimization (RBTO) using bi-directional evolutionary structural optimization (BESO). An actual design involves uncertain conditions such as material property, operational load and dimensional variation. Deterministic topology optimization (DTO) is obtained without considering of uncertainties related to the uncertainty parameters. However, the RBTO can consider the uncertainty variables because it has the probabilistic constraints. In this paper, the reliability index approach (RIA) is adopted to evaluate the probabilistic constraint. RBTO based on BESO starting from various design domains produces a similar optimal topology each other. Numerical examples are presented to compare the DTO with the RBTO.

Keywords

References

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