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Transient Forward and Backward Whirl of Beam and Solid Rotors With Stiffening and Softening Effects

[+] Author Affiliations
J. S. Rao

Altair Engineering India, Bangalore, KA, India

Paper No. DETC2011-47704, pp. 911-920; 10 pages
  • ASME 2011 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference
  • Volume 1: 23rd Biennial Conference on Mechanical Vibration and Noise, Parts A and B
  • Washington, DC, USA, August 28–31, 2011
  • Conference Sponsors: Design Engineering Division and Computers and Information in Engineering Division
  • ISBN: 978-0-7918-5478-5
  • Copyright © 2011 by ASME


This paper describe the procedure of achieving unbalance response and stability of general accelerating solid rotor model rotors with variable cross-section on fluid film or rolling element bearings and seals with the casings mounted on foundations including stress stiffening and spin softening effects. The solid rotor analysis results are verified with beam analysis results wherever applicable.

Copyright © 2011 by ASME
Topics: Rotors , Whirls



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