Dynamics of a Rolling Wheelset

[+] Author and Article Information
Hans True

Technical University of Denmark and ES/Consult, DK-2800 Lyngby, Denmark

Appl. Mech. Rev 46(7), 438-444 (Jul 01, 1993) (7 pages) doi:10.1115/1.3120372 History: Online April 29, 2009


We discuss the kinematics and dynamics of a wheelset rolling on a railway track. The mathematical model of a suspended wheelset rolling with constant speed on a straight track is set up and its dynamics is investigated numerically. The results are presented mainly on bifurcation diagrams. Several kinds of dynamical behavior is identified within the investigated speed range. We find a stationary equilibrium point at low speeds and at higher speeds symmetric and asymmetric oscillations are found and ranges with chaotic motion are identified. The bifurcations are described.

Copyright © 1993 by American Society of Mechanical Engineers
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