Fish without footprints
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Cited by (50)
Vortical structures around a flexible oscillating panel for maximum thrust in a quiescent fluid
2016, Journal of Fluids and StructuresA GIM-based biomimetic learning approach for motion generation of a multi-joint robotic fish
2013, Journal of Bionic EngineeringSimulation of fish swimming and manoeuvring by an SVD-GFD method on a hybrid meshfree-Cartesian grid
2010, Computers and FluidsCitation Excerpt :Experiments with live fishes have never been easy given the somewhat unpredictable response of the fish subjects and non-repeatability of measurements. Thus researchers, such as Ahlborn et al. [4,5], Triantafyllou et al. [6], Hover [7] Bandyopathyay et al. [8] have resorted to the use of mechanical models of the propulsors or the whole fish in their studies. A mechanical fish model with undulating deforming body has been studied by Triantafyllou et al. [9], while a model propelled by pectoral fins has also been investigated by Kato [10] and Singh et al. [11].
Numerical experiments on the transient motions of a flapping foil
2009, European Journal of Mechanics, B/FluidsCitation Excerpt :Moreover, also the forces acting on the foil can be easily computed. As in Ahlborn et al. [2], the flow is supposed to be two-dimensional and the problem is written in the vorticity-stream function formulation. Readers familiar with aerodynamics wing theory will recognize that a two-dimensional approach overestimates efficiency because it takes into account only the energy of cross-stream wake vorticity (at right angle to the direction of motion) although in reality trailing vorticity (parallel to the direction of motion) might also be present.