Year: 2014
Author: Ru-Nan Hua, Luoding Zhu, Xi-Yun Lu
Advances in Applied Mathematics and Mechanics, Vol. 6 (2014), Iss. 4 : pp. 478–493
Abstract
Fluid-structure-interaction problems are ubiquitous, complicated, and not yet well understood. In this paper we investigate the interaction of a leading rigid circular cylinder and a trailing compliant filament and analyze the dynamic responses of the filament in the wake of the cylinder. It is revealed that there exist two flapping states of the filament depending on the cylinder-filament separation distance and the relevant critical distance distinguishing the two states is associated with the Reynolds number and the filament length. It is also found that the drag coefficient of the cylinder is reduced but that of the filament may be increased or decreased depending on its length. Compared with a single filament in a uniform flow, the filament of the same mechanical properties flapping in the wake of the cylinder has a lower frequency and a greater amplitude.
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Journal Article Details
Publisher Name: Global Science Press
Language: English
DOI: https://doi.org/10.4208/aamm.2013.m408
Advances in Applied Mathematics and Mechanics, Vol. 6 (2014), Iss. 4 : pp. 478–493
Published online: 2014-01
AMS Subject Headings: Global Science Press
Copyright: COPYRIGHT: © Global Science Press
Pages: 16
Keywords: Fluid-structure interaction immersed boundary-lattice Boltzmann method.
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