In this paper, we conducted a selective review on the recent progress in physics insight and modeling of flexible cylinder flow-induced vibrations (FIVs). FIVs of circular cylinders include vortex-induced vibrations (VIVs) and wake-induced vibrations (WIVs), and they have been the center of the fluid-structure interaction (FSI) research in the past several decades due to the rich physics and the engineering significance. First, we summarized the new understanding of the structural response, hydrodynamics, and the impact of key structural properties for both the isolated and multiple circular cylinders. The complex FSI phenomena observed in experiments and numerical simulations are explained carefully via the analysis of the vortical wake topology. Following up with several critical future questions to address, we discussed the advancement of the artificial intelligent and machine learning (AI/ML) techniques in improving both the understanding and modeling of flexible cylinder FIVs. Though in the early stages, several AL/ML techniques have shown success, including auto-identification of key VIV features, physics-informed neural network in solving inverse problems, Gaussian process regression for automatic and adaptive VIV experiments, and multi-fidelity modeling in improving the prediction accuracy and quantifying the prediction uncertainties. These preliminary yet promising results have demonstrated both the opportunities and challenges for understanding and modeling of flexible cylinder FIVs in today's big data era.
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Flexible cylinder flow-induced vibration
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January 2022
Review Article|
January 25 2022
Flexible cylinder flow-induced vibration
Leixin Ma (马磊鑫)
;
Leixin Ma (马磊鑫)
1
Department of Mechanical Engineering, Massachusetts Institute Technology
, Cambridge, Massachusetts 02139, USA
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Ke Lin (林柯);
Ke Lin (林柯)
a)
2
Department of Engineering Mechanics, School of Naval Architecture, Ocean and Civil Engineering, Shanghai Jiao Tong University
, Shanghai 200240, China
a)Authors to whom correspondence should be addressed: dixia.fan@queensu.ca and linke.sjtu@sjtu.edu.cn
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Dixia Fan (范迪夏)
;
Dixia Fan (范迪夏)
a)
1
Department of Mechanical Engineering, Massachusetts Institute Technology
, Cambridge, Massachusetts 02139, USA
3
Department of Mechanical and Materials Engineering, Queen's University
, Kingston, Ontario K7M 3N9, Canada
4
School of Engineering, Westlake University
, Hangzhou, Zhejiang 310024, China
5
MIT Sea Grant College Program, Massachusetts Institute of Technology
, Cambridge, Massachusetts 02139, USA
a)Authors to whom correspondence should be addressed: dixia.fan@queensu.ca and linke.sjtu@sjtu.edu.cn
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Jiasong Wang (王嘉松)
;
Jiasong Wang (王嘉松)
2
Department of Engineering Mechanics, School of Naval Architecture, Ocean and Civil Engineering, Shanghai Jiao Tong University
, Shanghai 200240, China
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Michael S. Triantafyllou
Michael S. Triantafyllou
1
Department of Mechanical Engineering, Massachusetts Institute Technology
, Cambridge, Massachusetts 02139, USA
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a)Authors to whom correspondence should be addressed: dixia.fan@queensu.ca and linke.sjtu@sjtu.edu.cn
Physics of Fluids 34, 011302 (2022)
Article history
Received:
November 12 2021
Accepted:
January 06 2022
Citation
Leixin Ma, Ke Lin, Dixia Fan, Jiasong Wang, Michael S. Triantafyllou; Flexible cylinder flow-induced vibration. Physics of Fluids 1 January 2022; 34 (1): 011302. https://doi.org/10.1063/5.0078418
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