Numerical simulation of breaking wave based on higher-order mild slope equation

The "surface roller" to simulate wave energy dissipation of wave breaking i s introduced into the random wave model based on approximate parabolic mild slope equation in this paper to simulate the random wave transportation in chiding diffraction, refraction and breaking in nearshore areas. The rolle r breaking random wave higher-order approximate parabolic equation model ha s been verified by the existing experimental data for a plane slope beach a nd a circular shoal, and the numerical results of random wave breaking mode l agree with the experimental data very well, This model can be applied to calculate random wave propagation from deep to shallow water in large areas near the shore over natural topography.