Abstract
The aim of the present paper is to provide the state of the works in the field of hydrodynamics and computational simulations to analyze biomimetic marine propulsors. Over the last years, many researchers postulated that some fish movements are more efficient and maneuverable than traditional rotary propellers, and the most relevant marine propulsors which mimic fishes are shown in the present work. Taking into account the complexity and cost of some experimental setups, numerical models offer an efficient, cheap, and fast alternative tool to analyze biomimetic marine propulsors. Besides, numerical models provide information that cannot be obtained using experimental techniques. Since the literature about trends in computational simulations is still scarce, this paper also recalls the hydrodynamics of the swimming modes occurring in fish and summarizes the more relevant lines of investigation of computational models.
Highlights
Biomimetics, called biomimicry or bionics, involves the imitation of nature in man-made systems
Kato [21] reviewed the studies about kinematics, hydrodynamics, and performance of median and paired fin (MPF) locomotion in fish and biomimetic mechanical systems from the viewpoint of enhancing the propulsive and maneuvering performance of marine vehicles at low speeds
This paper aims to supplement the literature providing the state of the works in the field of hydrodynamics and computational simulations to analyze biomimetic marine propulsors
Summary
Biomimetics, called biomimicry or bionics, involves the imitation of nature in man-made systems. This paper presented an overview of fish swimming modes, providing a classification and discussion about the relevance to underwater vehicle design. Kato [21] reviewed the studies about kinematics, hydrodynamics, and performance of median and paired fin (MPF) locomotion in fish and biomimetic mechanical systems from the viewpoint of enhancing the propulsive and maneuvering performance of marine vehicles at low speeds. This paper aims to supplement the literature providing the state of the works in the field of hydrodynamics and computational simulations to analyze biomimetic marine propulsors. After a description of fish swimming modes and biomimetic marine propulsors which mimic fishes, aspects related to computational simulations, such as hydrodynamics, non-dimensional parameters, turbulence, grid strategies, and experimental validations, are analyzed
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