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Analysis of essentially non-linear vibration of large-scale models for bladed discs with variable contact and friction at root joints

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posted on 2023-06-08, 13:54 authored by Yevgen PetrovYevgen Petrov, D J Ewins
An effective method has been developed for analysis of the multiharmonic forced response of large-scale finite element models of bladed discs with contact interfaces at blade roots. Area contact elements are developed to model nonlinear forces acting at the contact surfaces. The elements allow for unilateral normal and tangential friction contact forces. The friction model includes effects of the variable normal load and variation of the contact area. Numerical investigations of the forced response for realistic finite element models of bladed discs with root damping are performed for the first time

History

Publication status

  • Published

Issue

2

Volume

2004

Page range

163-172

Presentation Type

  • paper

Event name

8th International Conference on Vibrations in Rotating Machinery

Event location

Swansea, WALES

Event type

conference

Event date

Sep 07-09, 2004

ISBN

1356-1448 1-86058-447-0

Series

ImechE Conference Transactions

Department affiliated with

  • Engineering and Design Publications

Full text available

  • No

Peer reviewed?

  • Yes

Legacy Posted Date

2012-11-27

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