Affiliation:
1. National Pingtung University of Science and Technology Department of Vehicle Engineering Pingtung, Taiwan
2. National Sun Yat-Sen University Department of Mechanical Engineering Kaohsiung, Taiwan
Abstract
The effect of an insulated rail joint (IRJ) on the contact stress variation near wheel-rail contact zones was simulated by employing three-dimensional finite element models. Three linear elastic IRJ materials, i.e. epoxy-fibreglass, polytetrafluoroethylene (PTFE) and Nylon-66, were investigated. Contact elements were used to simulate the interaction between the wheel and rail contact points. Numerical results showed that the presence of IRJ might significantly affect the wheel-rail contact stress distributions. Results also indicated that the traditional Hertzian contact theory is no longer available to predict the contact stress distribution around the rail joints.
Cited by
37 articles.
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