Stable formations of self-propelled fish-like swimmers induced by hydrodynamic interactions | |
Dai LZ(戴龙珍)1,2; He GW(何国威)1,2; Zhang X(张翔)1,2; Zhang X(张星)1,2 | |
发表期刊 | Journal of the Royal Society Interface |
2018-10 | |
卷号 | 15期号:147页码:20180490 |
ISSN | 1742-5689 |
摘要 | Fish schools are fascinating examples of macro-scale systems with collective behaviours. According to conventional wisdom, the establishment and maintenance of fish schools probably need very elaborate active control mechanisms. Sir James Lighthill posited that the orderly formations in fish schools may be an emergent feature of the system as a result of passive hydrodynamic interactions. Here, numerical simulations are performed to test Lighthill's conjecture by studying the self-propelled locomotion of two, three and four fish-like swimmers. We report the emergent stable formations for a variety of configurations and examine the energy efficiency of each formation. The result of this work suggests that the presence of passive hydrodynamic interactions can significantly mitigate the control challenges in schooling. Moreover, our finding regarding energy efficiency also challenges the widespread idea in the fluid mechanics community that the diamond-shaped array is the most optimized pattern. |
关键词 | Biolocomotion Fluid-structure Interaction Computational Fluid Dynamics Fish Schooling Energy Efficiency |
学科领域 | 流体力学 |
DOI | 10.1098/rsif.2018.0490 |
收录类别 | SCI |
语种 | 英语 |
WOS记录号 | WOS:000448813900020 |
课题组名称 | LNM湍流 |
论文分区 | 二类/Q1 |
力学所作者排名 | 1 |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://dspace.imech.ac.cn/handle/311007/77636 |
专题 | 非线性力学国家重点实验室 |
作者单位 | 1.中科院力学所非线性力学国家重点实验室 2.中科院大学工程科学学院 |
推荐引用方式 GB/T 7714 | Dai LZ,He GW,Zhang X,et al. Stable formations of self-propelled fish-like swimmers induced by hydrodynamic interactions[J]. Journal of the Royal Society Interface,2018,15,147,:20180490. |
APA | Dai LZ,He GW,Zhang X,&Zhang X.(2018).Stable formations of self-propelled fish-like swimmers induced by hydrodynamic interactions.Journal of the Royal Society Interface,15(147),20180490. |
MLA | Dai LZ,et al."Stable formations of self-propelled fish-like swimmers induced by hydrodynamic interactions".Journal of the Royal Society Interface 15.147(2018):20180490. |
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