Chapter
Apr 26, 2012
Numerical Simulation of Flood Inundation due to Dam and Levee Breach
Authors: Xinya Ying, Sam S. Y. Wang, and Abdul A. KhanAuthor Affiliations
Publication: World Water & Environmental Resources Congress 2003
Abstract
A numerical model has been developed to simulate flood inundation due to dam and levee breach. The model solves the conservative form of the two-dimensional shallow water equations using a finite volume method. The intercell flux is computed by upwind method and the water-level-gradient is evaluated by weighted average of both upwind and downwind gradient. The newly developed model is tested with various types of examples, including a partial dam-break problem, oblique hydraulic jump due to contraction of a side boundary, and a real life case of flood wave propagation in the Toce River Valley. It is found that the scheme is inherently robust and stable, and is able to predict complex flow phenomena that involve subcritical flows, supercritical flows, transcritical flows, overland flows, and overtopping flows.
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© 2003 American Society of Civil Engineers.
History
Published online: Apr 26, 2012
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ASCE Technical Topics:
- Critical flow
- Dams
- Engineering fundamentals
- Floods
- Flow (fluid dynamics)
- Fluid dynamics
- Fluid mechanics
- Geotechnical engineering
- Hydraulic engineering
- Hydraulic structures
- Hydrologic engineering
- Levees and dikes
- Models (by type)
- Numerical models
- Supercritical flow
- Two-dimensional models
- Water and water resources
- Water conservation
- Water management
- Water policy
Authors
Affiliations
Xinya Ying
National Center for Computational Hydroscience and Engineering, The University of Mississippi, MS38677
Sam S. Y. Wang
National Center for Computational Hydroscience and Engineering, The University of Mississippi, MS38677
Abdul A. Khan
National Center for Computational Hydroscience and Engineering, The University of Mississippi, MS38677
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Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.