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Journal of Engineering
Volume 2014, Article ID 541953, 8 pages
Research Article

Fluid-Structure Interaction Effects on the Propulsion of an Flexible Composite Monofin

1Arts et Métiers ParisTech, ENSAM Angers, 2 boulevard du Ronceray, 49035 Angers, France
2IRMAR, Université de Rennes 1, Campus de Beaulieu, 35042 Rennes Cedex, France

Received 17 May 2014; Revised 17 November 2014; Accepted 26 November 2014; Published 14 December 2014

Academic Editor: M’hamed Souli

Copyright © 2014 Adil El Baroudi and Fulgence Razafimahery. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


Finite element method has been used to analyze the propulsive efficiency of a swimming fin. Fluid-structure interaction model can be used to study the effects of added mass on the natural frequencies of a multilayer anisotropic fin oscillating in a compressible fluid. Water by neglecting viscidity effects has been considered as a surrounding fluid and the frequency response of the fin has been compared with that of vacuum conditions. It has been shown that because of the added mass effects in water environment, the natural frequencies of the fin decrease.