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TECHNICAL BRIEFS

Simulation of Friction in Multi-Degree-of-Freedom Vibration Systems

[+] Author and Article Information
Xi Tan, R. J. Rogers

Department of Mechanical Engineering, University of New Brunswick, Fredericton N.B., Canada E3B 5A3

J. Dyn. Sys., Meas., Control 120(1), 144-146 (Mar 01, 1998) (3 pages) doi:10.1115/1.2801312 History: Received September 13, 1994; Revised January 01, 1997; Online December 03, 2007

Abstract

A force-balance friction model for the simulation of dynamic mechanical systems is presented. An extension of Karnopp’s model (1985), it can be applied to multi-degree-of-freedom vibration systems with sticking/slipping friction acting on a surface. The model is compared with piecewise continuous analytical solutions which use the classical Coulomb friction model. During sticking periods, the results from the present friction model change smoothly, whereas chattering appears when using the classical Coulomb friction model.

Copyright © 1998 by The American Society of Mechanical Engineers
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