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RESEARCH PAPERS

A Modified Transfer Matrix Method for Asymmetric Rotor-Bearing Systems

[+] Author and Article Information
Yuan Kang, An-Chen Lee, Yuan-Pin Shih

Department of Mechanical Engineering, National Chiao Tung University, Taiwan, R.O.C.

J. Vib. Acoust 116(3), 309-317 (Jul 01, 1994) (9 pages) doi:10.1115/1.2930430 History: Received July 01, 1992; Revised June 01, 1993; Online June 17, 2008

Abstract

A modified transfer matrix method (MTMM) is developed to analyze rotor-bearing systems with an asymmetric shaft and asymmetric disks. The rotating shaft is modeled by a Rayleigh-Euler beam considering the effects of the rotary inertia and gyroscopic moments. Specifically, a transfer matrix of the asymmetric shaft segments is derived in a continuous-system sense to give accurate solutions. The harmonic balance method is incorporated in the transfer matrix equations, so that steady-state responses of synchronous and superharmonic whirls can be determined. A numerical example is presented to demonstrate the effectiveness of this approach.

Copyright © 1994 by The American Society of Mechanical Engineers
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