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http://dx.doi.org/10.7782/JKSR.2012.15.1.001

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

Kang, Ju-Seok (한국교통대학교 철도차량시스템공학과)
Publication Information
Journal of the Korean Society for Railway / v.15, no.1, 2012 , pp. 1-8 More about this Journal
Abstract
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.
Keywords
Wheelset dynamic analysis; railway vehicle dynamics; wheel-rail contact analysis; wheel-rail two point contact;
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