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Balancing Energy to Estimate Damping in a Forced Oscillator With Compliant Contact

[+] Author Affiliations
Jin-Wei Liang

Ming Chi University of Technology, Taipei, Taiwan

Brian Feeny

Michigan State University, East Lansing, MI

Paper No. DETC2010-28049, pp. 661-667; 7 pages
  • ASME 2010 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference
  • Volume 5: 22nd International Conference on Design Theory and Methodology; Special Conference on Mechanical Vibration and Noise
  • Montreal, Quebec, Canada, August 15–18, 2010
  • Conference Sponsors: Design Engineering Division and Computers in Engineering Division
  • ISBN: 978-0-7918-4413-7 | eISBN: 978-0-7918-3881-5
  • Copyright © 2010 by ASME


This work identifies damping parameters from compliant-contact vibration systems using energy dissipation concept. To develop the identification algorithms, the energy loss as registered in the force-displacement relationship of the real system is balanced against that of a theoretical model incorporating with an idealized compliant contact. Two approaches, including one based on the harmonic response assumption and the other directly integrating the system responses, are developed. Numerical investigations are performed to illustrate the reliability of the identification algorithms.

Copyright © 2010 by ASME
Topics: Damping



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