Journal of the Korean Society for Precision Engineering (한국정밀공학회지)

Korean Society for Precision Engineering (한국정밀공학회)
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Three-Dimensional Steady-state Rolling Contact Analysis using Finite Element Method

3차원 유한요소법을 이용한 정상상태의 구름접촉해석

  • Lee, Dong-Hyong (Railroad System Research Center, Korea Railroad Research Institute) ;
  • Seo, Jung-Won (Railroad System Research Center, Korea Railroad Research Institute) ;
  • Kwon, Seok-Jin (Railroad System Research Center, Korea Railroad Research Institute) ;
  • Ham, Young-Sam (Railroad System Research Center, Korea Railroad Research Institute)
  • 이동형 (한국철도기술연구원 철도시스템연구센터) ;
  • 서정원 (한국철도기술연구원 철도시스템연구센터) ;
  • 권석진 (한국철도기술연구원 철도시스템연구센터) ;
  • 함영삼 (한국철도기술연구원 철도시스템연구센터)
  • Received : 2011.03.21
  • Accepted : 2011.04.05
  • Published : 2011.05.01
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Abstract

Because most fatigue cracks in wheel and rail take place by rolling contact of wheel and rail in railroad industry, it is critical to understand the rolling contact phenomena, especially for the three-dimensional situation. This paper presents an approach to steady-state rolling contact problem of three-dimensional contact bodies, with or without tangential force, based on the finite element method. The steady-state conditions are controlled by the applied relative slip and tangential force. The three-dimensional distribution of tangential traction and contact stresses on the contact surface are investigated. Results show that the distribution of tangential traction and contact stresses on the contact surface varies rapidly as a result of the variation of stick-slip region. The tangential traction is very close in form to Carter's distribution.

Keywords

References

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