Abstract
A computer simulation of the open-top wagon along the track section adjacent to the rail joint is performed taking into account the ballast subsidence in the joint area. At the same time, a number of parameters influencing this process were varied. The range of dynamic forces values that arise between the wheel and the rail when passing the joint by a freight car at operational speeds is determined. The evaluation of stresses obtained as a result of solving the contact problem for the wheel and the rail by the finite element method is estimated. The problem was solved taking into account dynamic efforts found by computer simulation. The intensity of stresses and deformations is determined. The contact pressures in the elements of the rail joint are calculated using three-dimensional finite element models. Contact problems for two variants of the wheel arrangement are considered: above the edge of the joint and at a sufficient distance from it. Based on the results of the solution, an approximating relationship is proposed for the location of the wheel at the rail edge to determine the maximum contact pressure.
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Evtukh, E.S., Neklyudova, G.A. (2020). Evaluation of Contact Stresses in Railway Wheel When Rolling Through Rail Joint. In: Radionov, A., Kravchenko, O., Guzeev, V., Rozhdestvenskiy, Y. (eds) Proceedings of the 5th International Conference on Industrial Engineering (ICIE 2019). ICIE 2019. Lecture Notes in Mechanical Engineering. Springer, Cham. https://doi.org/10.1007/978-3-030-22041-9_79
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