Abstract
The work focuses on the calculation of shear crack growth with crack driving forces regarding cyclic elastic-plastic material behaviour. The load influence is described by the maximum contact pressure, and slip. The contact pressure and slip distribution in the contact patch are calculated using a 2D finite element model representing a wheel-rail contact. The configurational force concept is used to determine the crack driving forces in a cyclically plastified rail material during the wheel passage. The dependence of the crack driving force and the crack path on the loading conditions is shown. The results are qualitatively compared to experiments.
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