A modified transfer matrix method for asymmetric rotor-bearing systems

Yuan Kang, An-Chen Lee, Yuan Pin Shih

Research output: Contribution to journalArticle

25 Scopus citations

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 inertiaand 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.

Original languageEnglish
Pages (from-to)309-317
Number of pages9
JournalJournal of Vibration and Acoustics, Transactions of the ASME
Volume116
Issue number3
DOIs
StatePublished - 1 Jan 1994

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