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Large-eddy simulation of submerged hydraulic jump using OpenFoam

   Demirel, Ender

Large-eddy simulation of submerged hydraulic jump is performed for the Froude number Fr=4.24 and submergence ratio S=0.67 using open source CFD code OpenFoam. Numerical simulation is carried out using parallel computing strategies on TRUBA (Turkish National Science e-Infrastructure) High Performance Computing Center (HPC). A novel boundary condition is developed to impose a developed turbulent velocity field at the inlet. The proposed boundary condition developed on OpenFoam 4.1 libraries can automatically adjust inlet water depth and velocity profile for a given flow rate. The numerical results are validated with the experimental measurements in the laboratory. The proposed OpenFoam case can be used to simulate turbulent flow in submerged hydraulic jump for different inlet Froude numbers and submergence ratios. 


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