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A Flexible Rotor on Flexible Supports: Modeling and Experiments

[+] Author Affiliations
Emre Dikmen, Peter van der Hoogt, André de Boer, Ronald Aarts, Ben Jonker

University of Twente, Enschede, The Netherlands

Paper No. IMECE2009-10851, pp. 51-56; 6 pages
doi:10.1115/IMECE2009-10851
From:
  • ASME 2009 International Mechanical Engineering Congress and Exposition
  • Volume 15: Sound, Vibration and Design
  • Lake Buena Vista, Florida, USA, November 13–19, 2009
  • Conference Sponsors: ASME
  • ISBN: 978-0-7918-4388-8 | eISBN: 978-0-7918-3863-1
  • Copyright © 2009 by ASME

abstract

In this study, a flexible rotor with variable support stiffness has been analyzed. Simple support models consisting of mass, spring systems are extracted from modal analysis of the isolated support and by applying static loads to the finite element model of the supports. The derived equivalent models of the supports are then implemented in the finite element based structural model which predicts the dynamic behavior of the rotor. Finally experimental modal analysis of the rotor is performed with different support stiffnesses. The experimental and theoretical results have been compared and different support modeling approaches have been examined.

Copyright © 2009 by ASME
Topics: Modeling , Rotors

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