A modified transfer matrix method for the coupled lateral and torsional vibrations of asymmetric rotor-bearing systems

Sheng Chung Hsieh, Juhn Horng Chen, An-Chen Lee*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

45 Scopus citations

Abstract

For analyzing the coupled lateral and torsional vibrations of asymmetric rotor-bearing system, an extended transfer matrix extended from one of the symmetric system is developed. Rather than the conventional "lumped system", the asymmetric rotating shaft is modeled by the Timoshenko beam in a continuous-system concept. According to our analysis, for the asymmetric isotropic rotor-bearing system, the synchronous lateral mode will split; moreover, there is a 2× lateral mode that does not appear on symmetric isotropic rotor-bearing systems.

Original languageEnglish
Pages (from-to)563-571
Number of pages9
JournalJournal of Sound and Vibration
Volume312
Issue number4-5
DOIs
StatePublished - 20 May 2008

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