Development of Finite Element Model for Analysis of Rolling Contact Fatigue Cracks in Wheel/Rail Systems
作者： Makoto AKAMA
DOI: 10.2219/RTRIQR.48.8
关键词:
摘要: The problem of rolling contact fatigue cracks that occur on wheel and rail surfaces is one the most significant in railway industry. This paper introduces a finite element method (FEM) model has been developed for analysis such cracks. consists FEM takes into account local material response generated by load between rail. Both are modeled using an mesh, loaded rotated direction Combined isotropic kinematic hardening law was used to decaying rate important situations. Stress strain values obtained through were combined with multi-axial life critical plane approach predict onset railhead. calculated results compared data from investigation field, discussions made.
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