Journal ArticleDOI
Review of fish swimming modes for aquatic locomotion
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In this article, an overview of the swimming mechanisms employed by fish is presented, with a relevant and useful introduction to the existing literature for engineers with an interest in the emerging area of aquatic biomechanisms.Abstract:Â
Several physico-mechanical designs evolved in fish are currently inspiring robotic devices for propulsion and maneuvering purposes in underwater vehicles. Considering the potential benefits involved, this paper presents an overview of the swimming mechanisms employed by fish. The motivation is to provide a relevant and useful introduction to the existing literature for engineers with an interest in the emerging area of aquatic biomechanisms. The fish swimming types are presented, following the well-established classification scheme and nomenclature originally proposed by Breder. Fish swim either by body and/or caudal fin (BCF) movements or using median and/or paired fin (MPF) propulsion. The latter is generally employed at slow speeds, offering greater maneuverability and better propulsive efficiency, while BCF movements can achieve greater thrust and accelerations. For both BCF and MPF locomotion, specific swimming modes are identified, based on the propulsor and the type of movements (oscillatory or undulatory) employed for thrust generation. Along with general descriptions and kinematic data, the analytical approaches developed to study each swimming mode are also introduced. Particular reference is made to lunate tail propulsion, undulating fins, and labriform (oscillatory pectoral fin) swimming mechanisms, identified as having the greatest potential for exploitation in artificial systems.read more
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A hybrid Cartesian/immersed boundary method for simulating flows with 3D, geometrically complex, moving bodies
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Journal ArticleDOI
Fish functional design and swimming performance
TL;DR: Biomimetic approaches to the development of Autonomous Underwater Vehicles have given a ness context and impetus to research and this is discussed in relation to current views of fish functional design and sustaining performance.
Book
Hydrodynamics of High-Speed Marine Vehicles
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Journal ArticleDOI
Development of a biomimetic robotic fish and its control algorithm
TL;DR: The design of a radio-controlled, four-link biomimetic robotic fish is developed using a flexible posterior body and an oscillating foil as a propeller and its motion control algorithms are implemented.
References
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Journal ArticleDOI
Oscillating foils of high propulsive efficiency
TL;DR: In this article, the phase angle between transverse oscillation and angular motion is the critical parameter affecting the interaction of leading-edge and trailing-edge vorticity, as well as the efficiency of propulsion.
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Note on the swimming of slender fish
TL;DR: In this paper, the authors determine what transverse oscillatory movements a slender fish can make which will give it a high Froude propulsive efficiency, and the recommended procedure is for the fish to pass a wave down its body at a speed of around of the desired swimming speed, the amplitude increasing from zero over the front portion to a maximum at the tail, whose span should exceed a certain critical value.
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