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International Journal of Rotating Machinery
Volume 3, Issue 2, Pages 81-92

Interaction of Parametric and Forced Vibrations in High Speed Rotor-Bearing-Systems

University of Duisburg, Dept. Mechanical Engineering/Mechanics, Lotharstr.1, Duisburg 47048, Germany

Received 5 August 1994

Copyright © 1997 Hindawi Publishing Corporation. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


In this paper the interaction of periodic parameter excitation with forced excitations of in general non commensurable basic frequencies is under consideration. The method of enlarged systems serves as a toolbox, where the central idea of the method and the structure of the enlarged system are in the same way derived as the complete homogeneous and the manifold of inhomogeneous solutions are discussed. The application to a realisation of a high speed twin-disc rotor-bearing-system of a textile spinning turbine illustrates the resonance effects that haven’t been characterized before.