On Decoupling the Equations of Motion of Nonclassically Damped Systems PUBLIC ACCESS

[+] Author Affiliations
F. Ma, J. H. Hwang

University of California, Berkeley, CA

Paper No. 89-GT-123, pp. V005T13A008; 6 pages
  • ASME 1989 International Gas Turbine and Aeroengine Congress and Exposition
  • Volume 5: Manufacturing Materials and Metallurgy; Ceramics; Structures and Dynamics; Controls, Diagnostics and Instrumentation; Education; General
  • Toronto, Ontario, Canada, June 4–8, 1989
  • Conference Sponsors: International Gas Turbine Institute
  • ISBN: 978-0-7918-7917-7
  • Copyright © 1989 by ASME


One common procedure in the solution of a damped linear systems with small off-diagonal damping elements is to neglect the off-diagonal elements of the normalized damping matrix. The extent of approximation introduced by this method of decoupling the system is evaluated, and tight error bounds are derived by alternative techniques. An effective procedure to improve the accuracy of the approximate solution is outlined.

Copyright © 1989 by ASME
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