Beach vortices near circular topography

Finite-area monopolar vortices which propagate around topography without change in shape are computed for circular seamounts and wells including the limiting cases of each: islands and infinitely deep wells. The time-dependent behaviour of vortex pairs propagating toward circular topography is also...

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Bibliographic Details
Published in:Physics of fluids (1994) 2016-10, Vol.28 (10)
Main Authors: Hinds, A. K., Johnson, E. R., McDonald, N. R.
Format: Article
Language:English
Subjects:
Circularity
Computation
Fluid dynamics
Physics
Seamounts
Time dependence
Topography
Trajectories
Vortices
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Summary:Finite-area monopolar vortices which propagate around topography without change in shape are computed for circular seamounts and wells including the limiting cases of each: islands and infinitely deep wells. The time-dependent behaviour of vortex pairs propagating toward circular topography is also examined. Trajectories of point-vortex pairs exterior to the topography are found and compared to trajectories of vortex patches computed using contour dynamics.
ISSN:1070-6631
1089-7666
DOI:10.1063/1.4966038