NDLI: Visualization of complex near-body transport processes in flexible-body propulsion

Content Provider	Springer Nature Link
Author	Wolfgang, M. J. Triantafyllou, M. S. Yue, D. K. P.
Copyright Year	1999
Abstract	Recent interest in the application of fish-like propulsion mechanisms to practical engineering systems has led to the development of a three-dimensional numerical method to enable the study of the fluid dynamics associated with flexible-body swimming. Visualization of the near-body and near-wake flow processes has elucidated unique flow manipulation capabilities utilized by the fish, associated with the controlled production and release of body-generated vorticity. In addition, efficient actuation of flow into the oscillating tail allows for energy recovery by the tail from flow perturbations initiated by the upstream flexible-body motions for improved efficiency. In this work, we highlight some of these processes through visualization of the unsteady flow patterns, whose three-dimensionality is more complex than linear theory would suggest. We then compare these results to experimental data of fish swimming dynamics. These comparisons reinforce the applicability of the simulation method as a visualization tool for the study of the hydrodynamic mechanisms of fish-like swimming motions.
Starting Page	143
Ending Page	151
Page Count	9
File Format	PDF
ISSN	13438875
Journal	Journal of Visualization
Volume Number	2
Issue Number	2
e-ISSN	18758975
Language	English
Publisher	Springer-Verlag
Publisher Date	1999-01-01
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	fish vorticity control flexible-body swimming unsteady propulsion Engineering Fluid Dynamics Computer Imaging, Vision, Pattern Recognition and Graphics Classical Continuum Physics Engineering Thermodynamics, Heat and Mass Transfer
Content Type	Text
Resource Type	Article
Subject	Condensed Matter Physics Electrical and Electronic Engineering

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