A Three Dimensional Wheelset Dynamic Analysis considering Wheel-rail Two Point Contact

차륜-레일 2점 접촉을 고려한 3차원 윤축 동역학 해석

  • 강주석 (한국교통대학교 철도차량시스템공학과)
  • Received : 2011.07.27
  • Accepted : 2012.01.13
  • Published : 2012.02.26


Wheelset dynamic analysis is a key element to determine the degree of accuracy of railway vehicle dynamics. In this study, a three-dimensional wheelset dynamic analysis is presented in such a way that the precise wheel-rail contact analysis in three-dimension is implemented into the dynamic equations of a wheelset. A numerical procedure that can be used for the analysis of a wheelset dynamics when the wheel-rail two point contact occurs in a cornering maneuver is developed. Numerical solutions of the constraint equations and the dynamics equations of a wheelset are achieved by using Runge-Kutta method. The proposed wheelset dynamic analysis is validated by comparison against results obtained from VI-RAIL analysis.


Supported by : 한국연구재단


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