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Flow-induced vibrations of a side-by-side arrangement of two flexible circular cylinders

Huera-Huarte, F. J. and Gharib, M. (2011) Flow-induced vibrations of a side-by-side arrangement of two flexible circular cylinders. Journal of Fluids and Structures, 27 (3). pp. 354-366. ISSN 0889-9746.

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Laboratory experiments with a side-by-side arrangement of two vertical, high aspect ratio (length over diameter) and low mass ratio (mass over mass of displaced fluid) cylinders, pin-jointed at the ends and vibrating at low mode number, were carried out in a free-surface water channel. The dynamic response of the models under two different wake interference situations is presented here. Initially, one of the cylinders was fixed and the other was completely free to move. In a second battery of experiments both cylinders were free to vibrate. A very large parameter space was covered by varying the free-stream flow speeds, the natural frequencies of the system and the separation between the models, allowing the identification of vortex-induced vibrations (VIV) and wake-coupled VIV (WCVIV). Amplitudes, frequencies and phase synchronisation between the models are presented.

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Additional Information:© 2011 Elsevier Ltd. Received 15 March 2010; Accepted 23 December 2010; Available online 3 February 2011. Support provided by the European Commission through the Marie Curie IOF actions for individuals (PIOF-GA-2008-219429) is gratefully acknowledged.
Funding AgencyGrant Number
European Commission Marie Curie IOFPIOF-GA-2008-219429
Subject Keywords:Vortex-induced vibrations; Wake interference; Wake-coupled VIV; Proximity interference; Flexible cylinders; Side-by-side arrangement
Issue or Number:3
Record Number:CaltechAUTHORS:20110525-113532821
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Official Citation:F.J. Huera-Huarte, M. Gharib, Flow-induced vibrations of a side-by-side arrangement of two flexible circular cylinders, Journal of Fluids and Structures, Volume 27, Issue 3, April 2011, Pages 354-366, ISSN 0889-9746, DOI: 10.1016/j.jfluidstructs.2011.01.001.
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:23795
Deposited By: Jason Perez
Deposited On:25 May 2011 20:05
Last Modified:03 Oct 2019 02:50

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