| Issue |
Eur. Phys. J. Appl. Phys.
Volume 64, Number 3, December 2013
|
|
|---|---|---|
| Article Number | 31303 | |
| Number of page(s) | 5 | |
| Section | Surfaces and Interfaces | |
| DOI | https://doi.org/10.1051/epjap/2013130299 | |
| Published online | 09 December 2013 | |
https://doi.org/10.1051/epjap/2013130299
Regular and chaotic vibrations in the rub impact model of a Jeffcott rotor with a fractional restore force
1
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: g.litak@pollub.pl
Received:
24
June
2013
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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