Active tail flexion in concert with passive hydrodynamic forces improves swimming speed and efficiency

Fish typically swim by periodic bending of their bodies. Bending seems to follow a universal rule; it occurs at about one-third from the posterior end of the fish body with a maximum bending angle of about $30^{\circ }$. However, the hydrodynamic mechanisms that shaped this convergent design and its...

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Veröffentlicht in:	Journal of fluid mechanics 2022-02, Vol.932, Article A35
Hauptverfasser:	Hang, Haotian, Heydari, Sina, Costello, John H., Kanso, Eva
Format:	Artikel
Sprache:	eng
Schlagworte:	Biological effects Deformation Design Efficiency Fish Flapping Flexibility Fluid-structure interaction Hydrodynamics JFM Papers Kinematics Maximum bending Swimming Vortex sheets Vortices
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