Influence of turbulence modelling on cross-shore suspended sediment transport

Turbulence modelling is of primary interest when computing the hydrodynamics and sediment transport in the surf zone. The authors use a stationary 2DV model to compute velocity and concentration fields as well as sediment flux and sea-bed evolution. The authors analyse the results obtained using three different turbulent viscosity models. The simulations are compared with laboratory experimental data. The best turbulent viscosity parameterisation, which takes into account the turbulent energy transfer from the wave motion to the mean flow, gives good results.