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Train/track interaction model for wheel/rail defects analysis

Abstract : The train/track interaction models available in the literature introduce defects on wheel or rail but they usually do not consider combination of them. The aim of this paper is to provide a dynamic model of wheel/rail interaction able to take into account any kind of defects. For this purpose, a time-domain investigation is done to predict the normal contact force and displacements of wheel and rail. The model includes a multi-body representation of vehicle and track, coupled by a contact model based on the Distributing Points Reacting Spring (DPRS) procedure which allows the local three-dimensional description of the surfaces in contact and the use of actual geometries. After comparison with a finite-element model, it appears that the present model gives accurate results while being little-time consuming. An example of combination of defects is then presented and discussed.
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Submitted on : Friday, November 5, 2021 - 11:53:57 AM
Last modification on : Monday, November 22, 2021 - 9:53:43 AM

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  • HAL Id : hal-03416563, version 1

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Bérénice Pecile, Antoine Dequidt, Franck Massa, Thierry Tison. Train/track interaction model for wheel/rail defects analysis. International Conference on Noise and Vibration Engineering, Sep 2016, Leuven, Belgium. ⟨hal-03416563⟩

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