Numerical simulation of wave overtopping at coastal dikes and low-crested structures by means of a shock-capturing Boussinesq model |
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| Institution: | 1. Flanders Hydraulics Research, Berchemlei 115, B-2140 Antwerp, Belgium;2. Department of Civil Engineering, Ghent University, Technologiepark 904, B-9052 Zwijnaarde, Belgium;1. Dept. of Hydraulic Eng., Delft University of Technology, Stevinweg 1, 2628 CN Delft, The Netherlands;2. Dept. of Coastal Structures and Waves, Deltares, PO Box 177, 2600 MH Delft, The Netherlands;3. Flanders Hydraulics Research, Berchemlei 115, 2140 Antwerp, Belgium;4. Ghent University, Technologiepark 904, B-9052 Ghent, Belgium |
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| Abstract: | In this paper, a shock-capturing numerical model, based on the combined solution of Boussinesq and nonlinear shallow water equations is applied to the simulation of wave runup, overtopping and wave train propagation over impermeable, emerged and low-crested, structures. In order to improve the performances of the scheme at wet–dry interfaces, a numerical treatment is introduced to provide well-balancing of advective fluxes and source terms. One- and two-dimensional test cases are presented to validate the performances of the model under both regular and irregular wave conditions. |
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