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A Numerical Approach for the Resonance Passage Computation

[+] Author Affiliations
Andreas Hartung

MTU Aero Engines GmbH, Munich, Germany

Paper No. GT2010-22051, pp. 723-728; 6 pages
  • ASME Turbo Expo 2010: Power for Land, Sea, and Air
  • Volume 6: Structures and Dynamics, Parts A and B
  • Glasgow, UK, June 14–18, 2010
  • Conference Sponsors: International Gas Turbine Institute
  • ISBN: 978-0-7918-4401-4 | eISBN: 978-0-7918-3872-3
  • Copyright © 2010 by ASME


This paper describes a numerical approach to compute the passage through the resonance with one of the natural frequencies and provides analytical proof of this. The numerical approach was used to compute the resonance passage of a turbine blade. The results are compared with complete resonance passages of a simplified multi body model and showed a very good agreement with the test results. In addition some parameter studies, such as structure damping resonance passage time and excitation amplitude, are presented.

Copyright © 2010 by ASME



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