Wheel/rail contact model for rail vehicle dynamics

Mohammad Mahdi Jalili; Hassan Salehi

doi:10.1016/j.crme.2011.07.006

Wheel/rail contact model for rail vehicle dynamics

Mohammad Mahdi Jalili ¹ ; Hassan Salehi ²

¹ Mechanical Engineering Department, Yazd University, PO Box 89165-741, Yazd, Iran
² Mechanical Engineering Department, Amirkabir University of Technology, PO Box 15875-4413, Tehran, Iran

Comptes Rendus. Mécanique, Volume 339 (2011) no. 11, pp. 700-707.

Résumé

An advanced method using progressive concept of correspondence is applied to create new wheel/rail model based on the virtual penetration theory. The geometry and mechanism of contact are solved simultaneously because of the independency in a defined correspondence. This model takes the penetrated profiles of wheel and rail and also associated creeps as its inputs, and produces driving contact forces as its outputs. The advantage of model is that there is no need to pre-tabulate rigid contact situation. This method allows calculating flexible, non-elliptical, multiple contact patches during integration of the model.

Reçu le : 2011-01-25
Accepté le : 2011-07-19
Publié le : 2011-08-18

DOI : 10.1016/j.crme.2011.07.006

Keywords: Dynamics of rigid or flexible systems, System dynamics, Railroad vehicles, Flexible wheel/rail contact, Isosceles pairs

Affiliations des auteurs :

Mohammad Mahdi Jalili ¹ ; Hassan Salehi ²

¹ Mechanical Engineering Department, Yazd University, PO Box 89165-741, Yazd, Iran
² Mechanical Engineering Department, Amirkabir University of Technology, PO Box 15875-4413, Tehran, Iran

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Mohammad Mahdi Jalili; Hassan Salehi. Wheel/rail contact model for rail vehicle dynamics. Comptes Rendus. Mécanique, Volume 339 (2011) no. 11, pp. 700-707. doi : 10.1016/j.crme.2011.07.006. https://comptes-rendus.academie-sciences.fr/mecanique/articles/10.1016/j.crme.2011.07.006/

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