Effect of caudal fin flexibility on the propulsive efficiency of a fish-like swimmer
Langue
en
Article de revue
Ce document a été publié dans
Bioinspiration and Biomimetics. 2014
IOP Publishing
Résumé en anglais
A computational model is used to examine the effect of caudal fin flexibility on the propulsive efficiency of a self-propelled swimmer. The computational model couples a penalization method based Navier-Stokes solver with ...Lire la suite >
A computational model is used to examine the effect of caudal fin flexibility on the propulsive efficiency of a self-propelled swimmer. The computational model couples a penalization method based Navier-Stokes solver with a simple model of flow induced deformation and self-propelled motion at an intermediate Reynolds number of about 1000. The results indicate that a significant increase in efficiency is possible by careful choice of caudal fin rigidity. The flow-physics underlying this observation is explained through the use of a simple hydrodynamic force model and guidelines for bioinspired designs of flexible fin propulsors are proposed.< Réduire
Mots clés en anglais
propulsive efficiency
fish-like swimming
computational model
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