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FEM Modeling of a Rotor System With the Open Crack and Vibration Diagnosis (Case of the Anisotropic Support Stiffness)

[+] Author Affiliations
Tsuyoshi Inoue, Nobuhiro Nagata, Yukio Ishida

Nagoya University, Nagoya, Aichi, Japan

Paper No. DETC2011-47821, pp. 933-940; 8 pages
doi:10.1115/DETC2011-47821
From:
  • 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

abstract

This paper develops and improves the concise and general purpose oriented finite element rotating shaft model with an open crack for the quantitative analysis. Particularly, the case with the directional difference of the bearing support stiffness is focused. The theoretical analysis of both the natural frequency and the double-frequency vibration due to crack are performed. Both theoretical results are compared with the experimental results, and their quantitative agreement are confirmed.

Copyright © 2011 by ASME

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