Hydrodynamic analysis and simulation of a swimming bionic robot tuna

A dynamic model for undulatory locomotion was proposed to study the swimming mechanism of a developed bionic robot tuna. On the basis of inviscid hydrodynamics and rigid-body dynamics, the momentum and propulsive force required for propelling the swimming robot tuna's flexible body was calculat...

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Bibliographic Details
Published in:Journal of Hydrodynamics 2007-08, Vol.19 (4), p.412-420
Main Authors: CHEN, Hong, ZHU, Chang-an, YIN, Xie-zhen, XING, Xiao-zheng, CHENG, Gang
Format: Article
Language:English
Subjects:
body curve
efficiency
hydrodynamic simulations
Marine
propulsive force
swimming
Thunnus
undulatory locomotion
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Summary:A dynamic model for undulatory locomotion was proposed to study the swimming mechanism of a developed bionic robot tuna. On the basis of inviscid hydrodynamics and rigid-body dynamics, the momentum and propulsive force required for propelling the swimming robot tuna's flexible body was calculated. By solving the established dynamic equations and efficiency formula, the swimming velocity and propulsive efficiency of the bionic robot tuna were obtained. The relationship between the kinematic parameters of the robot tuna's body curve and the hydrodynamic performances was established and discussed after hydrodynamic simulations. The results presented in this article can be used to increase the swimming speed, propulsive thrust, and the efficiency of underwater vehicles effectively.
ISSN:1001-6058
1878-0342
1000-4874
DOI:10.1016/S1001-6058(07)60134-6