Resumen
A brief review is given of the initial development of two approaches to the modelling of the flow that occurs after a water wave breaks. The first approach aims to model the turbulence generated by a spilling breaker riding on an unsteady wave. The turbulent volume of water in a spiller is modelled as a thin layer. The second approach is applied to model the region of strong vorticity generated by a plunging breaker. The vorticity is modelled using two-dimensional discrete vortices. The behaviour of both a single vortex and a 'cloud' of vortices near a free surface is described.
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