Transactions of the Korean Society of Automotive Engineers (한국자동차공학회논문집)

The Korean Society of Automotive Engineers (한국자동차공학회)
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Analysis of Dynamic Contact and Stress of a Valve in Internal Combustion Engine

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  • 이기수 (전북대학교 기계공학부, 자동차 신기술 연구소) ;
  • 김동우 (전북대학교 기계공학부, 자동차 신기술 연구소) ;
  • 박상호 (전북대학교 대학원 기계공학과) ;
  • 조성호 (전북대학교 대학원 기계공학과) ;
  • 김방원 (전북대학교 대학원 기계공학과)
  • Published : 2002.03.01
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Abstract

Numerical analysis of dynamic contact and stress developing in the high-speed driven valve of an internal combustion engine is presented. The valve is modeled by finite element techniques, and the dynamic contact between the valve and the valve seat is analyzed by the solution strategies of differential algebraic equations. Also an iterative scheme similar to the augmented Lagrange multiplier method is employed to enforce the contact constraints. It is shown that the contact and separation between the valve and the valve seat can be computed by the finite element techniques without assuming the artificial springs, and the efficiency and accuracy of the solution are demonstrated by the numerical examples.

Keywords

References

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