Parametric Study on the Straight-Line Cruising Velocity of an Auto-Swimming Robotic Fish

HAO Dong-wei; WANG Wen-quan

doi:10.3879/j.issn.1000-0887.2014.06.009

Volume 35 Issue 6

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HAO Dong-wei, WANG Wen-quan. Parametric Study on the Straight-Line Cruising Velocity of an Auto-Swimming Robotic Fish[J]. Applied Mathematics and Mechanics, 2014, 35(6): 674-683. doi: 10.3879/j.issn.1000-0887.2014.06.009

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Parametric Study on the Straight-Line Cruising Velocity of an Auto-Swimming Robotic Fish

doi: 10.3879/j.issn.1000-0887.2014.06.009

Department of Engineering Mechanics, Kunming University of Science and Technology, Kunming 650500, P.R.China

Funds: The National Natural Science Foundation of China（11262008;11002063）

Received Date: 2013-11-28
Rev Recd Date: 2014-04-06
Publish Date: 2014-06-11

Abstract

Abstract

Study on the kinetic & kinematic mechanisms of fish-like swimming is of cardinal significance for increasing needs of bionic technologies. Therefore, an auto-swimming robotic fish model was established with a flexible body and muscular self-propelling force, involving the interactions between fish-body internal forces, fish-body motions and surrounding fluid dynamics. Then, respectively, the effects of different-length tail fins, different tail elasticities and different muscular self-propelling force densities on the robotic fish’s straight-line auto-swimming state were numerically simulated respectively. The hydrodynamics and kinematics of the auto-swimming robotic fish are analysed to reveal the key factors on the cruising velocity and clarify the related mechanisms. The key factors influence on swimming efficiency is shown by analysis of hydrodynamic performance.
- robotic fish,
- fluid-structure interaction,
- immersed boundary method,
- auto-swim,
- cruising velocity

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References(12)

References

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