Development of Algorithm for Predicting Fretting Wear

프레팅 마멸 예측을 위한 알고리즘 개발

  • Cho, Yong-Joo (School of Mechanical Engineering, Pusan Nat'l Univ.) ;
  • Kim, Tae-Wan (Dept. of Mechanical Engineering, Pukyong Nat'l Univ.)
  • 조용주 (부산대학교 기계공학부) ;
  • 김태완 (부경대학교 기계공학과)
  • Received : 2010.12.13
  • Accepted : 2011.05.06
  • Published : 2011.09.01


A numerical algorithm for predicting fretting wear was developed using the boundary element method (BEM). A contact analysis was performed numerically using the relation between the elastic displacement and uniformly distributed loading of a rectangular patch on a semi-infinite solid. Geometrical updating based on nodal wear depths was performed. The wear depths were computed using the Archard's equation for sliding wear. In order to investigate the efficiency of BEM for predicting fretting wear, a problem involving a two-dimensional cylinder on a flat contact was analyzed, comparing it with the simulation model proposed by McColl et al. that was based on the finite element method. The developed method was then applied to the analysis of a spherical contact and it was shown that the developed simulation technique could efficiently predict fretting wear. Moreover, the effect of a step cycle on the solution obtained by the developed method was investigated.


Fretting Wear;Boundary Element Method;Contact Analysis


Supported by : 부경대학교


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