Article (Scientific journals)
Geometric design of friction ring dampers in blisks using nonlinear modal analysis and Kriging surrogate model
Sun, Yekai; Denimal, Enora; Yuan, Jie et al.
2022In Structural and Multidisciplinary Optimization, 65 (3)
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Keywords :
Compressor blisk; Damped nonlinear normal mode; Friction ring damper; Geometric study; Nonlinear vibration; Surrogate model; Bladed discs; Compressor bladed disk; Non-linear vibrations; Nonlinear modal analysis; Nonlinear normal modes; Ring dampers; Surrogate modeling; Software; Control and Systems Engineering; Computer Science Applications; Control and Optimization; Computer Graphics and Computer-Aided Design
Abstract :
[en] Integrally bladed disks (blisk) have been widely used in the turbo-machinery industry due to its high aerodynamic performance and structural efficiency. A friction ring damper (FRD) is usually integrated in the system to improve its low damping. However, the design of the geometry of this FRD become complex and computationally expensive due to the strong nonlinearities from friction interfaces. In this work, we propose an efficient modelling strategy based on advanced nonlinear modal analysis and Kriging surrogate models to design and optimize the geometry of a 3D FRD attached to a high fidelity full-scale blisk. The 3D ring damper is parametrised with a few key geometrical parameters. The impact of each geometric parameter and their sensitivities to nonlinear dynamic response can be efficiently assessed using Kriging meta-modelling based on a few damped nonlinear normal modes. Results demonstrate that the damping performances of ring dampers can be substantially optimized through the proposed modelling strategy whilst key insights for the design of the rings are given. It is also demonstrated that the distribution of the contact normal load on the contact interfaces has a strong influence on the damping performances and can be effectively tuned via the upper surface geometry of the ring dampers.
Disciplines :
Mechanical engineering
Aerospace & aeronautics engineering
Author, co-author :
Sun, Yekai ;  Department of Mechanical Engineering, Imperial College London, London, United Kingdom
Denimal, Enora;  Department of Mechanical Engineering, Imperial College London, London, United Kingdom ; Univ. Gustave Eiffel, Inria, COSYS/SII, I4S, Rennes, France
Yuan, Jie;  Department of Mechanical Engineering, Imperial College London, London, United Kingdom ; Aerospace Centre of Excellence, University of Strathclyde, Glasgow, United Kingdom
Salles, Loïc  ;  Université de Liège - ULiège > Aérospatiale et Mécanique (A&M) ; Department of Mechanical Engineering, Imperial College London, London, United Kingdom ; Center for Design, Manufacturing and Materials, Skolkovo Institute of Science and Technology, Moscow, Russian Federation
Language :
English
Title :
Geometric design of friction ring dampers in blisks using nonlinear modal analysis and Kriging surrogate model
Publication date :
March 2022
Journal title :
Structural and Multidisciplinary Optimization
ISSN :
1615-147X
eISSN :
1615-1488
Publisher :
Springer Science and Business Media Deutschland GmbH
Volume :
65
Issue :
3
Peer reviewed :
Peer Reviewed verified by ORBi
Funding text :
Dr. Yekai Sun is grateful to China Scholarship Council (File No. 201708060239) for providing the financial support for this project.
Available on ORBi :
since 05 July 2025

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