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Numerical Solutions for Problems Related to Nearshore Morphology?!

by H. G. Wind, Delft Hydraulics, Netherlands,
H. J. de Haan, Delft Hydraulics, Netherlands,
J. van Overeem, Delft Hydraulics, Netherlands,
L. Kohsiek, Delft Hydraulics, Netherlands,



Document Type: Proceeding Paper

Part of: Coastal Zone '87

Abstract:

In the development of numerical models of nearshore morphology various steps can be envisaged: 1. initial models: the initial bottom topography remains unchanged; spatial variations in the depth-integrated wave- and current field on the sediment transport pattern are taken into account; 2. depth-integrated dynamic models: the time-variation of the bottom topography and the related interactions with the wave- and current field are introduced; 3. (quasi-) 3D dynamic models: the third spatial dimension is included in the formulations of water and sediment motion; 4. time integrated dynamic models: emphasis is paid to the time averaging of the small temporal variations in the morphology. The paper discusses the applicability of some of these recent numerical models for the advisory practice.

Subject Headings: Dynamic models | Numerical models | Three-dimensional models | Mathematical models | Sediment transport | Nearshore | Flow (fluid dynamics)

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