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RESEARCH PAPERS

Bifurcation Theory Applied to Oil Whirl in Plain Cylindrical Journal Bearings

[+] Author and Article Information
C. J. Myers

Department of Applied Mathematical Studies, University of Leeds, Leeds LS2 9JT, England

J. Appl. Mech 51(2), 244-250 (Jun 01, 1984) (7 pages) doi:10.1115/1.3167607 History: Received August 01, 1981; Revised August 01, 1983; Online July 21, 2009

Abstract

An analysis of the self-excited oscillations of a rotor supported in fluid film journal bearings is presented. It is shown that Hopf bifurcation theory may be used to investigate small-amplitude periodic solutions of the nonlinear equations of motion for rotor speeds close to the speed at which the steady-state equilibrium position becomes unstable. A numerical investigation supports the findings of the analytic work.

Copyright © 1984 by ASME
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