Response of a flexible filament in a flowing soap film subject to a forced vibration

The interactions between flexible plates and fluids are important physical phenomena. A flag in wind is one of the most simplified and classical models for studying the problem. In this paper, we investigated the response of a flag in flow with an externally forced vibration by using flexible filame...

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Published inPhysics of fluids (1994) Vol. 27; no. 1
Main Authors Jia, Laibing, Xiao, Qing, Wu, Haijun, Wu, Yanfeng, Yin, Xiezhen
Format Journal Article
LanguageEnglish
Published Melville American Institute of Physics 01.01.2015
Subjects
Bionics
Computational fluid dynamics
Energy harvesting
Filaments
Flapping
Flow control
Fluid dynamics
Forced vibration
Physics
Synchronism
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Summary:The interactions between flexible plates and fluids are important physical phenomena. A flag in wind is one of the most simplified and classical models for studying the problem. In this paper, we investigated the response of a flag in flow with an externally forced vibration by using flexible filaments and soap film. Experiments show that for a filament that is either in oscillation or stationary, the external forced vibration leads to its oscillation. A synchronization phenomenon occurs in the experiments. A small perturbation leads to a large response of flapping amplitude in response. The insight provided here is helpful to the applications in the flow control, energy harvesting, and bionic propulsion areas.
Bibliography:ObjectType-Article-1
SourceType-Scholarly Journals-1
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ISSN:1070-6631
1089-7666
DOI:10.1063/1.4906799