Nonlinear Wheelset Dynamic Response to Random Lateral Rail Irregularities

[+] Author and Article Information
E. H. Law

Department of Engineering Mechanics, Clemson University, Clemson, S. C.

J. Eng. Ind 96(4), 1168-1176 (Nov 01, 1974) (9 pages) doi:10.1115/1.3438491 History: Received July 30, 1973; Online July 15, 2010


The nonlinear equations of motion for a railway vehicle wheelset having profiled wheels and contact of the wheel flange with flexible rails are presented. The effects of spin creep and gyroscopic terms are included. The rails are considered to have random lateral irregularities which are described by prescribed power spectra. The equations of motion are integrated numerically and the effects on the dynamic response of quantities such as speed, track roughness, wheel wear, flange clearance, and lateral stiffness of the rails are investigated.

Copyright © 1974 by ASME
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