Smoothed Particle Hydrodynamics Simulation of Wave Overtopping Characteristics for Different Coastal Structures

Abstract EN

This research paper presents an incompressible smoothed particle hydrodynamics (ISPH) technique to investigate a regular wave overtopping on the coastal structure of different types.

The SPH method is a mesh-free particle modeling approach that can efficiently treat the large deformation of free surface.

The incompressible SPH approach employs a true hydrodynamic formulation to solve the fluid pressure that has less pressure fluctuations.

The generation of flow turbulence during the wave breaking and overtopping is modeled by a subparticle scale (SPS) turbulence model.

Here the ISPH model is used to investigate the wave overtopping over a coastal structure with and without the porous material.

The computations disclosed the features of flow velocity, turbulence, and pressure distributions for different structure types and indicated that the existence of a layer of porous material can effectively reduce the wave impact pressure and overtopping rate.

The proposed numerical model is expected to provide a promising practical tool to investigate the complicated wave-structure interactions.