Comparison of different turbulence models for numerical simulation of pressure distribution in V-shaped stepped spillway (Q1992635)

Summary: V-shaped stepped spillway is a new shaped stepped spillway, and the pressure distribution is quite different from that of the traditional stepped spillway. In this paper, five turbulence models were used to simulate the pressure distribution in the skimming flow regimes. Through comparing with the physical value, the realizable \(k-\varepsilon\) model had better precision in simulating the pressure distribution. Then, the flow pattern of V-shaped and traditional stepped spillways was given to illustrate the unique pressure distribution using realizable \(k-\varepsilon\) turbulence model.