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Advanced analysis and optimization of nonlinear resonance vibrations in gas-turbine structures with friction and gaps

presentation
posted on 2023-06-08, 13:53 authored by Yevgen PetrovYevgen Petrov
A methodology is developed for analysis and the global optimization of resonance peak forced response levels and frequencies. Essentially nonlinear vibrations of gas-turbine structures with friction and gap contact interfaces are considered. The methods developed allow effective analysis for large-scale finite element models containing millions of degrees of freedom and detailed description of friction contact interfaces in jointed structures. The resonance peak characteristics can be calculated directly as functions of design parameters and excitation. The efficiency of the methodology is demonstrated on a representative set of practical test cases

History

Publication status

  • Published

Volume

25

Page range

297-307

Presentation Type

  • paper

Event name

IUTAM Symposium on Emerging Trends in Rotor Dynamics

Event location

New Delhi, INDIA

Event type

conference

Event date

Mar 23-26, 2009

ISBN

978-94-007-0019-2

Department affiliated with

  • Engineering and Design Publications

Full text available

  • No

Peer reviewed?

  • Yes

Editors

K. Gupta

Legacy Posted Date

2012-11-27

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