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Response modes of a flexible filament in the wake of a cylinder in a flowing soap film

Phys. Fluids 21, 101704 (2009); doi:10.1063/1.3257294

Published 29 October 2009

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Lai-Bing Jia and Xie-Zhen Yin
Department of Modern Mechanics, University of Science and Technology of China, Hefei, Anhui 230027, China
Flow induced vibrations are observed in many engineering applications. A flexible body located in the wake of an obstacle is usually forced to vibrate by the periodic vortices shedding from the obstacle. Here we focus on the response of the flexible body in the wake. Soap film tunnels are used to provide two-dimensional flow. Cylinders and flexible filaments are employed as obstacles and flexible bodies, respectively. The filaments exhibit lock-in behavior to the wake. Three response modes are found by changing the distance between the filaments and cylinders. The observations are illuminated in terms of waving plate theory. ©2009 American Institute of Physics
History: Received 7 August 2009; accepted 23 September 2009; published 29 October 2009
Permalink: http://link.aip.org/link/?PHFLE6/21/101704/1
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KEYWORDS and PACS

Keywords
PACS
  • 47.32.-y
    Vortex dynamics; rotating fluids
  • 47.15.gm
    Thin film laminar flows
  • YEAR: 2009

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PUBLICATION DATA

ISSN:
1070-6631 (print)   1089-7666 (online)
Publisher:
AIP is a member of CrossRef AIP

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