Synthesis of Multi-Body Systems for Desired Eigenfrequencies PUBLIC ACCESS

[+] Author Affiliations
Ibrahim I. Esat, Shahzad Akbar

Brunel University, Uxbridge, Middlesex, England

Paper No. 97-AA-092, pp. V001T13A068; 5 pages
  • ASME 1997 Turbo Asia Conference
  • ASME 1997 Turbo Asia Conference
  • Singapore, September 30–October 2, 1997
  • Conference Sponsors: International Gas Turbine Institute
  • ISBN: 978-0-7918-7867-5
  • Copyright © 1997 by ASME


The eigenvalues in the modal co-ordinate frame are varied and the corresponding changes in the stiffness matrix is investigated. To represent the modified eigenvalues as a function of the stiffness matrix is the main focus of this paper. It is shown that the change in eigenvalue is proportional to the change in the stiffness matrix. This approach may be applied to shift certain natural frequencies of a structure away from the critical operating frequency by structural modification.

Copyright © 1997 by ASME
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