Journal of the Korea Academia-Industrial cooperation Society (한국산학기술학회논문지)

The Korea Academia-Industrial cooperation Society (한국산학기술학회)
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Structural Optimization of an Outer Tie Rod Using RSM and Kriging

반응표면법 및 크리깅을 이용한 아우터 타이로드의 구조 최적화

  • Kim, Young-Jun (Technical Center, Central Corporation) ;
  • An, Kyo-Jin (Graduate school, Department of Mechanical Engineering, Dong-A University) ;
  • Lee, Kwon-Hee (Department of Mechanical Engineering, Dong-A University) ;
  • Park, Young-Chul (Department of Mechanical Engineering, Dong-A University)
  • Received : 2014.11.10
  • Accepted : 2015.01.08
  • Published : 2015.01.31
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Abstract

It is known that the severest loading condition is the buckling case in the structural design of an outer tie rod. The optimum design of the OTR was suggested considering the buckling performance. The aluminum alloy was investigated as a steel substitute. Then, the structural optimization based on the response surface method and the kriging interpolation method were performed.

본 연구에서는 기존의 연구로부터 아우터 타이로드는 다른 구조적인 특성보다는 좌굴특성이 가장 극악한 조건임을 알 수 있었다. 따라서 본 연구에서는 좌굴 성능만을 검토하여 최적설계를 수행하였다. 또한 개박 초기에 검토되었던 강 재질을 알루미늄으로 변경하여 경량화를 구현하였다. 알루미늄 아우터 타이로드에 대해 설계변수를 선정하고 반응표면법과 크리깅을 적용하여 각각 경량화 설계를 제시하였다.

Keywords

References

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