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Updating of FE models for forced response analysis of mistuned bladed discs in wide frequency ranges

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posted on 2023-06-08, 13:53 authored by G Chen, Yevgen PetrovYevgen Petrov, D J Ewins
A model updating approach is proposed in this paper to describe blade disc mistuning by adding point mass elements in each blade model. This approach uses concepts from test planning and model updating methods to select the locations and the values of mistuning elements to match experimental natural frequencies of several blade-alone modes. The case study presented in the paper demonstrates that the updated bladed disc model, assembled from the updated models of the individual blades, provides the capability to predict forced vibration response over a frequency range covering several families of modes of the bladed disc

History

Publication status

  • Published

Page range

1779-1789

Presentation Type

  • paper

Event name

ISMA 2004: International Conference on Noise and Vibration Engineering

Event location

Louvain, BELGIUM

Event type

conference

Event date

Sep 20-22, 2004

ISBN

90-73802-82-2

Department affiliated with

  • Engineering and Design Publications

Full text available

  • No

Peer reviewed?

  • Yes

Editors

M. DeMunck, P. Sas

Legacy Posted Date

2012-11-27

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