Author(s)

F. Molkenthin

Abstract

The Finite Element Method is widely used for the numerical simulation of instationary flow and transport processes due to wind and tides in extensive coastal areas with complex bathymetry. The underlying finite element grid has crucially impact on the physical results of such numerical simulations. There- fore topographical, physical and numerical requirements have to be taken into account during the grid modeling process. This paper presents a new method for efficient grid generation, considering the impact of the topographical and numerical grid properties on the physical results. The application of this method is shown for the North Frisian Wadden Sea on the german coast. 1 Introduction Numerical flow and transport simulation in coastal areas is employed to optimize coastline protection measures and to estim

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