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Efficient computational techniques for mistuning analysis of bladed discs: A review

Research output: Contribution to journalArticle

Original languageEnglish
Pages (from-to)71–90
Number of pages20
JournalMechanical Systems and Signal Processing
Volume87 Part A
Early online date6 Nov 2016
DOIs
DateAccepted/In press - 24 Sep 2016
DateE-pub ahead of print - 6 Nov 2016
DatePublished (current) - 15 Mar 2017

Abstract

This paper describes a review of the relevant literature about mistuning problems in bladed disc systems, and their implications for the uncertainty propagation associated to the dynamics of aeroengine systems. An emphasis of the review is placed on the developments of the multi-scale computational techniques to increase the computational efficiency for the linear mistuning analysis, especially with the respect to the reduced order modeling techniques and uncertainty quantification methods. The non-linearity phenomena are not considered in this paper. The first two parts describe the fundamentals of the mechanics of tuned and mistuned bladed discs, followed by a review of critical research efforts performed on the development of reduced order rotor models. The focus of the fourth part is on the review of efficient simulation methods for the stochastic analysis of mistuned bladed disc systems. After that, we will finally provide a view of the current state of the art associated to efficient inversion methods for the stochastic analysis, followed by a summary.

    Structured keywords

  • Composites UTC
  • Bristol Composites Institute ACCIS

    Research areas

  • Blades mistuning, Rotordynamics, Computational methods, Review

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    Rights statement: This is the author accepted manuscript (AAM). The final published version (version of record) is available online via Elsevier at http://www.sciencedirect.com/science/article/pii/S0888327016303880. Please refer to any applicable terms of use of the publisher.

    Accepted author manuscript, 3 MB, PDF document

    Licence: CC BY-NC-ND

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