A New Wheel Rail Contact Model for Independent Wheels
(1994) Archive of Applied Mechanics — Vol. 64, n° 3, p. 180-191 (1994)
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- Abstract
- The classical multibody approach in railway vehicle dynamics considers as rolling element a rigid wheelset, for which the geometrical problem associated with the wheel/rail contact and the formulation of the dynamic equations are well known at the present time. New designs of non-conventional bogies led us to develop a new model for independent wheels in which each wheel/rail contact must be treated separately due to the absence of an axle between left and right wheels. This model constitutes an additional feature of the multibody approach for this type of application. The classical multibody formalism is first briefly reviewed and the wheel/rail contact model is then developed in the case of a straight track. The way the model has been extended to curved track is also explained. Finally, numerical results related to classical and non-conventional bogies will be presented before concluding.
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Citations
Fisette, P., & Samin, J.-C. (1994). A New Wheel Rail Contact Model for Independent Wheels. Archive of Applied Mechanics, 64(3), 180-191. https://doi.org/10.1007/BF00806816 (Original work published 1994)