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Refined Modeling to Estimate Sediment Discharge

by C. Mendoza, Univ of California, Berkeley, CA, USA,
H. W. Shen, Univ of California, Berkeley, CA, USA,



Document Type: Proceeding Paper

Part of: Hydraulic Engineering

Abstract:

Numerical solution of the two-dimensional turbulent flow over a train of identical dunes is obtained with the Algebraic Stress Model for closure. The effective tractive force acting on the bed is calculated through integration of the pressure and shear stress distributions acting on the dune surface. Bed material load estimates are found and satisfactory agreement is obtained when the calculations are compared with some of the data presented previously.

Subject Headings: Shear stress | Numerical models | Turbulent flow | Mathematical models | Dunes | Bed materials | Bed loads

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