No. 24 (1994), Conference Proceedings
No. 24 (1994)

VORTICITY EFFECTS IN COMBINED WAVES AND CURRENTS

Conference Proceedings
Published 1994-01-29
I. Cummins
Department of Civil Engineering, Imperial College of Science Technology and Medicine
C. Swan
Department of Civil Engineering, Imperial College of Science Technology and Medicine
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Keywords

vorticity
combined waves and current

How to Cite

VORTICITY EFFECTS IN COMBINED WAVES AND CURRENTS. (1994). Coastal Engineering Proceedings, 1(24). https://doi.org/10.9753/icce.v24.%p
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Abstract

This paper concerns the interaction of waves and currents, and in particular the effect of the time-averaged vorticity distribution associated with a sheared current. Laboratory data describing both the "initial interaction" of waves and currents, and the "equilibrium" conditions arising within an established wave-current combination are presented. These results are compared to both the existing irrotational solutions and a multi-layered numerical model capable of describing an arbitrary current profile. The interaction of regular waves and sheared currents is shown to be in good agreement with this latter solution. However, a similar description of random waves on sheared currents is limited by the wave-induced changes in both the mean current profile and the associated turbulent structure.
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