Comptes Rendus
no. 11
Wheel/rail contact model for rail vehicle dynamics
Mohammad Mahdi Jalili1  ; Hassan Salehi2
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.

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 :
Accepté le :
Publié le :
DOI : 10.1016/j.crme.2011.07.006
Mots clés : Dynamics of rigid or flexible systems, System dynamics, Railroad vehicles, Flexible wheel/rail contact, Isosceles pairs
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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[3] J. Pombo; J. Ambrósio Dynamic analysis of a railway vehicle in real operation conditions using a new wheel-rail contact detection model, International Journal of Vehicle Systems Modelling and Testing, Volume 1 (2005), pp. 79-105

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[6] J.B. Ayasse; H. Chollet Determination of the wheel–rail contact patch in semi-Hertzian conditions, Vehicle System Dynamics, Volume 43 (2005), pp. 161-172

[7] K. Knothe; R. Wille; B.W. Zastrau Advanced contact mechanics – road and rail, Vehicle System Dynamics, Volume 35 (2001), pp. 361-407

[8] X. Quost; M. Sebes; A. Eddhahak; J.B. Ayasse; H. Chollet; P.E. Gautier; F. Thoutier Assessment of a semi-Hertzian method for determination of wheel–rail contact patch, Vehicle System Dynamics, Volume 44 (2006), pp. 789-814

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