Abstract
An accuracy of the resolution of water surface profile is an essential factor of the analysis of wave breaking and overtopping. The gridless Lagrangian method, which is generally called the particle method, is highly performing tool to describe complicated behavior of the water surface with fragmentation and coalescence of water. In this paper, a wave overtopping process on a vertical seawall is numerically simulated by the MPS, or Moving Particle Semi-implicit, method, which is categorized as the particle method. An improvement of the listing process of neighboring particle is introduced to accelerate the computational procedure of MPS method. Snapshots of the wave overtopping process in the experiments are well reproduced by the MPS method. The predictions of the MPS method of the overtopping quantity agree well with the experimental results.
