In this investigation, a numerical procedure that can be used for the analysis of a wheel and rail contact geometry is developed using the constraint contact formulation. The locations of contact points are determined for given lateral and yaw displacements of a wheelset when one-point contact is considered for each wheel, while these two displacements are no longer independent when the two-point contact occurs. A systematic procedure for predicting the flange, as well as the back-of-flange contact points, is developed and used for the two-point contact geometry analysis of a wheel and rail. Numerical results that involve tread, flange, and back-of-flange contacts are presented in order to demonstrate the use of the contact algorithm developed in this investigation. In particular, the back-of-flange contact is discussed for assessing contact configurations of a wheel and a grooved rail in light rail vehicle applications.
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January 2009
Research Papers
Wheel∕Rail Two-Point Contact Geometry With Back-of-Flange Contact
Hiroyuki Sugiyama,
Hiroyuki Sugiyama
Department of Mechanical Engineering,
Tokyo University of Science
, Tokyo 102-0073, Japan
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Yoshihiro Suda
Yoshihiro Suda
Institute of Industrial Science,
University of Tokyo
, Tokyo 153-8505, Japan
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Hiroyuki Sugiyama
Department of Mechanical Engineering,
Tokyo University of Science
, Tokyo 102-0073, Japan
Yoshihiro Suda
Institute of Industrial Science,
University of Tokyo
, Tokyo 153-8505, JapanJ. Comput. Nonlinear Dynam. Jan 2009, 4(1): 011010 (6 pages)
Published Online: November 12, 2008
Article history
Received:
May 26, 2007
Revised:
August 24, 2007
Published:
November 12, 2008
Citation
Sugiyama, H., and Suda, Y. (November 12, 2008). "Wheel∕Rail Two-Point Contact Geometry With Back-of-Flange Contact." ASME. J. Comput. Nonlinear Dynam. January 2009; 4(1): 011010. https://doi.org/10.1115/1.3007976
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