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A Method for Updating Damping of Analytical Model of Substructure Based on Frequency Response

[+] Author Affiliations
B. S. Yu, G. T. Zheng, H. J. Du

Harbin Institute of Technology, Harbin, China

Paper No. IMECE2002-32385, pp. 215-219; 5 pages
  • ASME 2002 International Mechanical Engineering Congress and Exposition
  • Design Engineering
  • New Orleans, Louisiana, USA, November 17–22, 2002
  • Conference Sponsors: Design Engineering Division
  • ISBN: 0-7918-3628-2 | eISBN: 0-7918-1691-5, 0-7918-1692-3, 0-7918-1693-1
  • Copyright © 2002 by ASME


The identification of model damping is a key for response analysis. A method is presented for updating damping of the computational model of substructure based on frequency response experiment. The proposed method directly identifies mass, stiffness and damping matrices by using the substructure error coefficient and frequency response experiment, then computational model damping is updated, finally the effectiveness of the method with simulated data gauging is studied in this paper.

Copyright © 2002 by ASME



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