Abstract
This paper simulates the characteristics of 2D U-shape bend flow using nonlinear k~ε closure turbulence model in the software CCHE2D. Furthermore, we get the pictures about transverse slope of water surface, the transverse velocity distribution and transverse section water level variation. With comparison and analysis, the numerical simulation results are agreement with the experimental data measured by De Vriend. Simulating the movement of 2D bend flow with the software CCHE, an accurate flow basic characteristic can be obtained.
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