Shock and Vibration

Shock and Vibration / 2012 / Article
Special Issue

International Conference on Structural Engineering Dynamics – ICEDyn 2011

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Volume 19 |Article ID 798610 |

A.C. Sall, F. Thouverez, L. Blanc, P. Jean, "Stochastic Behaviour of Mistuned Stator Vane Sectors: An Industrial Application", Shock and Vibration, vol. 19, Article ID 798610, 10 pages, 2012.

Stochastic Behaviour of Mistuned Stator Vane Sectors: An Industrial Application

Received25 Apr 2012
Accepted25 Apr 2012


Stator vanes which are found in axial compressors are subject to vibratory fatigue. Their division into monoblock sectors makes the prediction of their vibratory behaviour difficult by deterministic methods due to the loss of the cyclic symmetry properties and also to a high sensitivity to mistuning. The purpose is to present a robust calculation strategy based on a stochastic modelisation of the structure. The methodology has been developed first on a simplified model and then applied to an industrial case. Polynomial chaos based results are in good agreement with reference Monte Carlo simulations.

Copyright © 2012 Hindawi Publishing Corporation. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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