Chapter
Apr 26, 2012
Recent Advances in Sediment Transport Modeling
Authors: Scott C. James [email protected], Matthew D. Grace, Michael Ahlmann, Craig A. Jones, and Jesse D. RobertsAuthor Affiliations
Publication: World Environmental and Water Resources Congress 2008: Ahupua'A
Abstract
SEDflume measures erosion rates as a function of sediment depth (down to a meter or more) and at high shear stresses (up to 25 Pa for data collection) to improve our understanding and ability to predict sediment transport and the capabilities of numerical models. In this work, a sediment transport model is developed specifically to incorporate these data. This model is a significant improvement over previous models because it directly incorporates site-specific SEDflume data, while maintaining a physically consistent, unified treatment of suspended load and bedload. Experimental data from noncohesive sediment erosion experiments in a straight channel and around a 180° bend will be used to verify this model.
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Copyright
© 2008 American Society of Civil Engineers.
History
Published online: Apr 26, 2012
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ASCE Technical Topics:
- Computer models
- Engineering fundamentals
- Engineering mechanics
- Erosion
- Geology
- Geotechnical engineering
- Models (by type)
- Numerical models
- River engineering
- Sediment
- Sediment transport
- Shear stress
- Static loads
- Statics (mechanics)
- Stress (by type)
- Structural analysis
- Structural engineering
- Suspended loads
- Thermodynamics
- Transport phenomena
- Transport rates
- Water and water resources
Authors
Affiliations
Sandia National Laboratories, Thermal/Fluid Science & Engineering Department, PO Box 969, Livermore, CA 94551, Electronic address:. E-mail: [email protected]
Matthew D. Grace
Sandia National Laboratories, Thermal/Fluid Science & Engineering Department, PO Box 969, Livermore, CA 94551
Michael Ahlmann
Sandia National Laboratories, Thermal/Fluid Science & Engineering Department, PO Box 969, Livermore, CA 94551
Craig A. Jones
Sea Engineering, Inc., 200 Washington Street, Suite 210, Santa Cruz, CA 95062
Jesse D. Roberts
Sandia National Laboratories, Carlsbad Programs, 4100 National Parks Highway, Carlsbad, NM 88220
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