Three-Dimensional Free Surface Modeling (Is There a Best Approach?)

by B. H. Johnson, US Army Engineer Waterways, Experiment Station, Vicksburg, United States,
H. L. Butler, US Army Engineer Waterways, Experiment Station, Vicksburg, United States,
R. C. Berger, US Army Engineer Waterways, Experiment Station, Vicksburg, United States,



Document Type: Proceeding Paper

Part of: Hydraulic Engineering

Abstract:

With the increases in computing power, researchers all over the world are developing and applying three-dimensional (3D) hydrodynamic models. The numerical techniques employed are usually determined by the developer's background in computational fluid dynamics. As a result, many different types of models exist. For example, a major distinction between models is the approach taken for the spatial integration of the governing equations. Various approaches that have been taken and opinions based upon experience gained from 3D modeling activities at the U.S. Army Engineer Waterways Experiment Station (WES) are presented. However, the basic intent of this paper is to generate discussion concerning the question, Is there a best approach for computing the three-dimensional flow fields required in the solution of typical estuarine/coastal problems ?

Subject Headings: Three-dimensional models | Computational fluid dynamics technique | Computer models | Hydraulic models | Three-dimensional flow | Mathematical models | Hydrologic models

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