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Advanced modeling of underplatform friction dampers for analysis of bladed disk vibration

journal contribution
posted on 2023-06-08, 13:55 authored by Yevgen PetrovYevgen Petrov, D J Ewins
Advanced structural dynamic models for both wedge and split underplatform dampers have been developed. The new damper models take into account inertia forces and the effects of normal load variation on stick-slip transitions at the contact interfaces. The damper models are formulated for the general case of multiharmonic forced response analysis. An approach for using the new damper models in the dynamic analysis of large-scale finite element models of bladed disks is proposed and realized. Numerical investigations of bladed disks are performed to demonstrate the capabilities of the new models and an analysis of the influence of the damper parameters on the forced response of bladed disks is made

History

Publication status

  • Published

Journal

Journal of Turbomachinery

ISSN

0889-504X

Publisher

American Society of Mechanical Engineers

Issue

1

Volume

129

Page range

143-150

Department affiliated with

  • Engineering and Design Publications

Full text available

  • No

Peer reviewed?

  • Yes

Legacy Posted Date

2012-11-26

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