| NUMERICAL STUDY ON PROPULSIVE PERFORMANCE OF FISH-LIKE SWIMMING FOILS |
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| 作者姓名： | DENG Jian SHAO Xue-ming REN An-lu |
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| 作者单位： | DENG Jian，SHAO Xue-ming，REN An-lu Department of Mechanics，State Key Laboratory of Fluid Power Transmission and Control，Zhejiang University，Hangzhou 310027，China |
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| 摘 要： | 1. INTRODUCTION The study of the movement of fishes can be very informative in exploring mechanisms of unsteady flow control because movements in fish is a result of many millions of years of evolutionary optimization. Previous studies have shed light on …
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| 关 键 词： | 鱼型游动 行波翼型 推进性能 数值模拟 浸入边界法 生物力学 |
| 收稿时间： | 2005-10-19 |
Numerical study on propulsive performance of fish-like swimming foils |
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| DENG Jian SHAO Xue-ming REN An-lu.NUMERICAL STUDY ON PROPULSIVE PERFORMANCE OF FISH-LIKE SWIMMING FOILS[J].Journal of Hydrodynamics,2006,18(6):681-687. |
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| Authors: | Jian Xue-ming SHAO An-lu REN |
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| Affiliation: | aDepartment of Mechanics, State Key Laboratory of Fluid Power Transmission and Control, Zhejiang University, Hangzhou 310027, China |
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| Abstract: | Two-dimensional numerical simulations are performed to study the propulsive performance of fish-like swimming foils using the immersed-boundary method. A single fish as well as two fishes in tandem arrangement are studied. First, the effect of the phase speed on the propulsive performance of a single fish is analyzed. The wake structures and pressure distribution near the wavy fish are also examined. The results show good correlation with those by previous researchers. Second, two tandem fishes with the same phase speed and amplitude are studied. The results show that the fish situated directly behind another one endure a higher thrust than that of a single one. |
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| Keywords: | biomechanics fish-like swimming traveling wavy foil immersed-boundary method |
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