Author(s)

K.-P. Holz

Abstract

The simulation of beach evolution under tides and waves is commonly based on uncoupled systems of equations for tides, waves and transport. Treatment of these processes by independent modules of computation leads to errors when passing state variables from one module to the next. The paper deals with integration of all processes into one system of equations of advective type, which can be solved by just one consitent finite element upwinding scheme. It moreover discusses the problem of generating tidal boundary conditions at the open sea for the operation of models using the idea of inverse modeling and shows some applications. 1 Introduction The evolution of beaches and shorelines is of vital interest because of protection of human settlements, maintenance of touristic regions and minimizing storm surge damages. Engin

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