On the modelling of Coulomb friction

Cull, S. J. and Tucker, Robin (1999) On the modelling of Coulomb friction. Journal of Physics A: Mathematical and General, 32 (11). pp. 2103-2113. ISSN 0305-4470

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Abstract

This paper analyses two different representations of Coulomb friction in the context of a dynamic simulation of the torsional vibrations of a driven drill-string. A simple model is used to compare the relative merits of a piecewise analytic approach using a discontinuous friction profile to a numerical integration using a smooth nonlinear representation of the Coulomb friction. In both cases the effects of viscous damping on the excitation of torsional relaxation oscillations are exhibited.

Item Type:
Journal Article
Journal or Publication Title:
Journal of Physics A: Mathematical and General
Uncontrolled Keywords:
/dk/atira/pure/subjectarea/asjc/3100/3109
Subjects:
ID Code:
75204
Deposited By:
Deposited On:
12 Aug 2015 09:36
Refereed?:
Yes
Published?:
Published
Last Modified:
06 May 2020 03:40