Journal
VEHICLE SYSTEM DYNAMICS
Volume 54, Issue 3, Pages 386-428Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1080/00423114.2015.1137956
Keywords
Contact mechanics; wheel-rail interaction; creep force model; tribology; rolling friction; traction
Categories
Funding
- Federal Railroad Administration
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Accurate and efficient contact models for wheel-rail interaction are essential for the study of the dynamic behaviour of a railway vehicle. Assessment of the contact forces and moments, as well as contact geometry provide a fundamental foundation for such tasks as design of braking and traction control systems, prediction of wheel and rail wear, and evaluation of ride safety and comfort. This paper discusses the evolution and the current state of the theories for solving the wheel-rail contact problem for rolling stock. The well-known theories for modelling both normal contact (Hertzian and non-Hertzian) and tangential contact (Kalker's linear theory, FASTSIM, CONTACT, Polach's theory, etc.) are reviewed. The paper discusses the simplifying assumptions for developing these models and compares their functionality. The experimental studies for evaluation of contact models are also reviewed. This paper concludes with discussing open areas in contact mechanics that require further research for developing better models to represent the wheel-rail interaction.
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