Chapter
Apr 26, 2012
Numerical Simulation of Local Scour with Free Surface and Automatic Mesh Deformation
Publication: World Environmental and Water Resource Congress 2006: Examining the Confluence of Environmental and Water Concerns
Abstract
A numerical model for local scour with free surface and automatic mesh deformation is constructed and numerical simulation is carried out to compare with experimental results. The kappa-epsilon model is used to simulate the turbulent flow field. Two interfaces (water and air, water and sediment) in the domain are captured with different approaches. The free surface of the flow is captured by Volume of Fluid (VOF) scheme which is a Eulerian approach. The water-sediment interface (bed) is captured with moving mesh method which is a Lagrangian approach. The flow field is coupled with sediment transport using a quasi-steady approach. Good results have been obtained using current model. The flow field is comparable with the experiment. Scour patterns are similar to the experimental data.
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Copyright
© 2006 American Society of Civil Engineers.
History
Published online: Apr 26, 2012
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ASCE Technical Topics:
- Automation and robotics
- Continuum mechanics
- Deformation (mechanics)
- Engineering fundamentals
- Engineering mechanics
- Flow simulation
- Fluid dynamics
- Fluid mechanics
- Free surfaces
- Hydraulic engineering
- Hydraulics
- Hydrologic engineering
- Models (by type)
- Numerical models
- River engineering
- Scour
- Sediment
- Sediment transport
- Simulation models
- Solid mechanics
- Structural mechanics
- Systems engineering
- Water and water resources
Authors
Affiliations
Research Assistant, Ven Te Chow Hydrosystems Laboratory, Department of Civil and Environmental Engineering, University of Illinois at Urbana and Champaign, 205 N Mathews Ave., Urbana, IL 61801.E-mail: [email protected]
Chester and Helen Siess Professor, and Director, Ven Te Chow Hydrosystems Laboratory, Department of Civil and Environmental Engineering, University of Illinois at Urbana and Champaign, 205 N Mathews Ave., Urbana, IL 61801.E-mail: [email protected]
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