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Numerical Simulation of a Three-Dimensional Fish-like Body Swimming with Finlets
Wang SZ(王士召); Zhang X(张星); He GW(何国威); Wang SZ(王士召)
Source PublicationCommunications in Computational Physics
2012
Volume4Issue:11Pages:1323-1333
ISSN1815-2406
Abstract

The swimming of a 3D fish-like body with finlets is numerically investigated at Re = 1000 (the Reynolds number is based on the uniform upstream flow and the length of the fish-like body). The finlets are simply modeled as thin rigid rectangular plates that undulate with the body. The wake structures and the flow around the caudal peduncle are studied. The finlets redirect the local flow across the caudal peduncle but the vortical structures in the wake are almost not affected by the finlets. Improvement of hydrodynamic performance has not been found in the simulation based on this simple model. The present numerical result is in agreement with that of the work of Nauen and Lauder [J. Exp. Biol., 204 (2001), pp. 2251-2263] and partially supports the hypothesis of Webb [Bull. Fish. Res. Bd. Can., 190 (1975), pp. 1-159].

; The swimming of a 3Dfish-like bodywith finlets is numerically investigated at Re = 1000 (the Reynolds number is based on the uniform upstream flow and the length of the fish-like body). The finlets are simply modeled as thin rigid rectangular plates that undulate with the body. The wake structures and the flow around the caudal peduncle are studied. The finlets redirect the local flow across the caudal peduncle but the vortical structures in the wake are almost not affected by the finlets. Improvement of hydrodynamic performance has not been found in the simulation based on
this simple model. The present numerical result is in agreement with that of the work of Nauen and Lauder [J. Exp. Biol., 204 (2001), pp. 2251-2263] and partially supports the hypothesis ofWebb [Bull. Fish. Res. Bd. Can., 190 (1975), pp. 1-159].
KeywordFinlets Fish Swimming Immersed Boundary Method Wake Structure
Subject Area流体力学
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Indexed BySCI
Language英语
WOS IDWOS:000303761300016
DepartmentLNM湍流
Classification二类/Q1
Citation statistics
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/44653
Collection非线性力学国家重点实验室
Corresponding AuthorWang SZ(王士召)
Recommended Citation
GB/T 7714
Wang SZ,Zhang X,He GW,et al. Numerical Simulation of a Three-Dimensional Fish-like Body Swimming with Finlets[J]. Communications in Computational Physics,2012,4(11):1323-1333
APA Wang SZ,Zhang X,He GW,&王士召.(2012).Numerical Simulation of a Three-Dimensional Fish-like Body Swimming with Finlets.Communications in Computational Physics,4(11),1323-1333.
MLA Wang SZ,et al."Numerical Simulation of a Three-Dimensional Fish-like Body Swimming with Finlets".Communications in Computational Physics 4.11(2012):1323-1333.
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