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At t=0, the gate is released with a prescribed velocity allowing the collapse of a water column and propagation of a dam break wave. The depth of the wet bed (shallow/deep) influences on the shape of the propagating flow. Warning : the mesh is fine, 8 CPUs or more are recommended for this case.

References :

[1] I. M. Jánosi, D. Jan, K. G. Szabó, and T. Tél, “Turbulent drag reduction in dam-break flows,” Experiments in Fluids, vol. 37, no. 2, pp. 219–229, 2004.

[2] M. Gomez-Gesteira, A. J. C. Crespo, B. D. Rogers, R. A. Dalrymple, J. M. Dominguez, and A. Barreiro, “Sphysics - development of a free-surface fluid solver - part 2: Efficiency and test cases,” Comput. Geosci., vol. 48, pp. 300–307, Nov. 2012