Lewis, R., Braghin, F., Ward, A., Bruni, S., Dwyer-Joyce, R.S., Bel Knani, K. and Bologna, P. (2003) Integrating Dynamics and Wear Modelling to Predict Railway Wheel Profile Evolution. In: 6th International Conference on Contact Mechanics and Wear of Rail/Wheel Systems : CM2003. CHARMEC , Gothenburg , pp. 7-16. ISBN 9163139286
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Abstract
The aim of the work described was to predict wheel profile evolution by integrating multi-body dynamics simulations of a wheelset with a wear model.
The wear modelling approach is based on a wear index commonly used in rail wear predictions. This assumes wear is proportional to Tγ, where T is tractive force and γ is slip at the wheel/rail interface. Twin disc testing of rail and wheel materials was carried out to generate wear coefficients for use in the model.
The modelling code is interfaced with ADAMS/Rail, which produces multi-body dynamics simulations of a railway wheelset and contact conditions at the wheel/rail interface. Simplified theory of rolling contact is used to discretise the contact patches produced by ADAMS/Rail and calculate traction and slip within each.
The wear model combines the simplified theory of rolling contact, ADAMS/Rail output and the wear coefficients to predict the wear and hence the change of wheel profile for given track layouts.
| Item Type: | Book Section |
|---|---|
| Academic Units: | The University of Sheffield > Faculty of Engineering (Sheffield) > Department of Mechanical Engineering (Sheffield) |
| Depositing User: | Repository Officer |
| Date Deposited: | 12 Dec 2005 |
| Last Modified: | 08 Feb 2013 16:48 |
| Status: | Published |
| Publisher: | CHARMEC |
| Refereed: | Yes |
| URI: | http://eprints.whiterose.ac.uk/id/eprint/880 |
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