Conference proceeding
Three-dimensional hydraulic simulation of wetting-drying process
DEVELOPMENT, PLANNING AND MANAGEMENT OF SURFACE AND GROUND WATER RESOURCES, THEME A, PROCEEDINGS, pp.171-176
2001
Abstract
Water flows in open channels and natural rivers are mostly unsteady in nature due to variation of flow discharge resulted from seasonal changes and controlled operation of hydraulic structures. The unsteadiness is important when there exist submerged islands immediately upstream or downstream of the hydraulic structures, and it is also particularly important when wetting-drying process is encountered due to events such as flooding. Despite its importance, however, unsteadiness has not been paid much attention in most projects involving fully three-dimensional computational fluid dynamic modeling. This paper is our first attempt to address the issue of unsteadiness in the context of fully three-dimensional numerical modeling without hydrostatic assumption. Particularly, effort is directed at the ability to simulate wetting-drying process in a reach of open channels where there exist islands or compound channels. The basic numerical method is presented first, and the wetting-drying algorithm is then proposed and developed. After a verification study with the developed code, a sample application is presented to demonstrate the numerical method.
Details
- Title: Subtitle
- Three-dimensional hydraulic simulation of wetting-drying process
- Creators
- Y G LaiL Weber
- Contributors
- G Li (Editor)
- Resource Type
- Conference proceeding
- Publication Details
- DEVELOPMENT, PLANNING AND MANAGEMENT OF SURFACE AND GROUND WATER RESOURCES, THEME A, PROCEEDINGS, pp.171-176
- Language
- English
- Date published
- 2001
- Academic Unit
- Civil and Environmental Engineering
- Record Identifier
- 9984231891402771
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