Dynamical Friction Behavior in a Forced Oscillator With a Compliant Contact

[+] Author and Article Information
J.-W. Liang

Department of Mechanical Engineering, MingChi Institute of Technology, Taipei, Taiwan, R.O.C.

B. F. Feeny

Department of Mechanical Engineering, Michigan State University A231 Engineering Building, East Lansing, MI 84424-1226

J. Appl. Mech 65(1), 250-257 (Mar 01, 1998) (8 pages) doi:10.1115/1.2789033 History: Received January 06, 1997; Revised June 23, 1997; Online October 25, 2007


Contact compliance, which may arise from elastic deformation near the contact point or in the surrounding structure, affects the dynamical friction behaviors in mechanical oscillators. An idealized model consisting of a mass sliding harmonically on a mass-less compliant contact produces hysteresis in friction-velocity plots. Dynamical friction features, depending on the contact stiffness, friction level, and the frequency and amplitude of oscillation, are predicted and quantified. Contact compliance can also lead to oscillations at the transition from slip to stick. Experiments and simulations verify the model and tie together phenomena of both continuous sliding and stick-slip.

Copyright © 1998 by The American Society of Mechanical Engineers
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