Eur. Phys. J. Appl. Phys.
Volume 64, Number 3, December 2013
|Number of page(s)||5|
|Section||Surfaces and Interfaces|
|Published online||09 December 2013|
Regular and chaotic vibrations in the rub impact model of a Jeffcott rotor with a fractional restore force
Department of Applied Mechanics, Technical University of Lublin, Nadbystrzycka 36, PL-20-618 Lublin, Poland
2 Cleveland State University, Department of Mechanical Engineering, Cleveland, OH 44115, USA
a e-mail: firstname.lastname@example.org
Revised: 26 July 2013
Accepted: 8 November 2013
Published online: 9 December 2013
We study the solutions and bifurcations of the Jeffcott rotor with a rubbing effect. The model of horizontal rotor possesses such nonlinear effects as inertia, dry friction, and contact loss between the rotor and stator. By the exceeding of the rotor-stator radius clearance, the rotor can penetrate into the limiting rubbers with a fractional power in the restore force. The system response is analyzed by a bifurcation diagram. The specific cases are additionally clarified by means standard methods and quantified by the test 0-1 which is sensitive to chaotic behaviour.
© EDP Sciences, 2013
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