Dam Break

A classical benchmark for free-surface models, this simulation describes the evolution of a fluid initially confined in a rectangular box. As one of the side walls is removed, the fluid enters a larger confined domain which it fills at a well-known rate. For this application, Palabos makes use of a free-surface model inspired by a volume-of-fluid method.

As an additional ingredient, an obstacle is placed in the larger box to create a splash as it is hit by the entering fluid.

And here a side view of the problem: