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Title:
Flow-mediated interactions between two self-propelled flapping filaments in tandem configuration
Author: Zhu XJ(朱晓珏); He GW(何国威); Zhang X(张星)
Source: Physical Review Letters
Issued Date: 2014-12
Volume: 113, Pages:238105
Abstract: The mechanism by which aggregates of active swimmers are formed is an intriguing problem. In this Letter we show that, for two tandem self-propelled filaments driven by harmonic plunging motions of identical frequency and amplitude, stable configurations can be spontaneously formed by locking the trajectories onto the vortex centers. Further analysis indicates that the grouping energetics is also dictated by the wake vortex structure. The rationale behind the energetic advantage of the follower is found to be the interplay among actuation, self-propulsion, and the vortical fluid environment.
Keyword: Fish schooling ; Vortex dynamics ; Fluid-structure interaction ; Computational fluid dynamics
Language: 英语
Indexed Type: SCI ; EI
Corresponding Author: 张星
Correspondent Email: zhangx@lnm.imech.ac.cn
Related URLs: 查看原文
DOC Type: Article
WOS ID: WOS:000348133700025
ISSN: 0031-9007
Subject: 流体力学
Department: LNM湍流
Classification: 一类
Citation statistics:
Content Type: 期刊论文
URI: http://dspace.imech.ac.cn/handle/311007/49358
Appears in Collections:非线性力学国家重点实验室_期刊论文

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Recommended Citation:
Zhu XJ,He GW,Zhang X. Flow-mediated interactions between two self-propelled flapping filaments in tandem configuration[J]. Physical Review Letters,2014-12-01,113:238105.
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文件名: PhysRevLett.113.238105.pdf
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