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Flow-mediated interactions between two self-propelled flapping filaments in tandem configuration
Zhu XJ(朱晓珏); He GW(何国威); Zhang X(张星); Zhang X(张星)
Source PublicationPhysical Review Letters
2014-12
Volume113Pages:238105
ISSN0031-9007
AbstractThe 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.
KeywordFish Schooling Vortex Dynamics Fluid-structure Interaction Computational Fluid Dynamics
Subject Area流体力学
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Indexed BySCI ; EI
Language英语
WOS IDWOS:000348133700025
Funding OrganizationThis work is supported by Chinese Academy of Sciencs (under Projects No. KJCX-SW-L08 and No. KJCX3-SYWS01), NSFC (under Project No. 11021262, No. 11023001, No. 11232011, and No. 11372331), andthe National Basic Research Program of China (under Project No. 2013CB834100).
DepartmentLNM湍流
Classification一类
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Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/49358
Collection非线性力学国家重点实验室
Corresponding AuthorZhang X(张星)
Recommended Citation
GB/T 7714
Zhu XJ,He GW,Zhang X,et al. Flow-mediated interactions between two self-propelled flapping filaments in tandem configuration[J]. Physical Review Letters,2014,113:238105.
APA Zhu XJ,He GW,Zhang X,&张星.(2014).Flow-mediated interactions between two self-propelled flapping filaments in tandem configuration.Physical Review Letters,113,238105.
MLA Zhu XJ,et al."Flow-mediated interactions between two self-propelled flapping filaments in tandem configuration".Physical Review Letters 113(2014):238105.
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