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A circulation description of a rip current neck (2003)

KENNEDY, A. B.

Cambridge University Press

In: Journal of Fluid Mechanics. 2003; 497: 225-234. Published 2003 Dec 25. doi: 10.1017/s0022112003006827.

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Publication Date: 2003-12-25

Description: This paper considers wave-driven rip currents from a circulation-vorticity point of view. A highly simplified description of rip currents using continuous generation of point vortices at fixed locations is found to have a wide range of applicability around the rip neck. Rip scaling becomes straightforward, and is seen to collapse to a single form. Numerical experiments with this simplified system have the ability to predict well startup transients including previously unexplained peaks, and frequency-dependent effects of wave groups on rip currents. Quantitative mean currents in the rip neck are represented moderately well by this theory.

Print ISSN: 0022-1120

Electronic ISSN: 1469-7645

Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics

Published by Cambridge University Press

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