In this paper, we present an analytical method to investigate the behavior of a two-degree-of-freedom oscillator excited by dry friction. The system consists of two masses connected by linear springs. These two masses are in contact with a driving belt moving at a constant velocity. The contact forces between the masses and the belt are obtained assuming Coulomb’s friction law. Two families of periodic motions are found in closed form. The first one includes stick-slip oscillations with two switches per period, the second one is also composed of stick-slip motion, but includes three switches per period. In both cases, the initial conditions and the time duration of each kind of motions (stick or slip phases) are obtained in analytical form.
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July 2008
Research Papers
Dynamics of Coupled Oscillators Excited by Dry Friction
Madeleine Pascal
Madeleine Pascal
Laboratoire IBISC, FRE 2873,
e-mail: mpascal@iup.univ-evry.fr
Universite d’Evry Val d’Essonne
, 40 rue du Pelvoux, 91020 Evry cedex, France
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Madeleine Pascal
Laboratoire IBISC, FRE 2873,
Universite d’Evry Val d’Essonne
, 40 rue du Pelvoux, 91020 Evry cedex, Francee-mail: mpascal@iup.univ-evry.fr
J. Comput. Nonlinear Dynam. Jul 2008, 3(3): 031009 (6 pages)
Published Online: May 5, 2008
Article history
Received:
July 2, 2007
Revised:
November 15, 2007
Published:
May 5, 2008
Citation
Pascal, M. (May 5, 2008). "Dynamics of Coupled Oscillators Excited by Dry Friction." ASME. J. Comput. Nonlinear Dynam. July 2008; 3(3): 031009. https://doi.org/10.1115/1.2908272
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