Numerical simulation of overflow of two dimensional broad-crested weir based on SPH method
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Abstract:
Smoothed particle hydrodynamics (SPH) method is a meshless particle method based on the Lagrangian method, and has been applied in many fields of science and engineering. In this paper, the SPH method was used to simulate the overflow of a two-dimensional broad-crested weir, and parallel computation was carried out to improve the efficiency. The simulation data were compared with the experimental data. The results showed that the SPH method can simulate the hydraulic parameters such as the flow regime, water drops, recirculation zone and water jump phenomenon of the two-dimensional broad-crested weir. We can obtain the flow velocity distribution on the section from the data. This study proved that the SPH method can be used to simulate the flow velocity distribution and water surface profile.
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