Application of Model for Predicting 3-D Beach Changes Using Cellular Automaton Method to Real Coast

Abstract

A new model for predicting beach changes was developed using the cellular automaton method, independently taking sand transport under ongoing and outgoing waves into account, while retuning the fundamental concept of the BG model. The model was used to predict beach changes around a detached breakwater and a groin with a lower crown height built on the Osawa coast in Chiba Prefecture. The observed changes were well reproduced, and the applicability of the model to the prediction of beach changes with complicated structural conditions was confirmed.