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The tank, initially in equilibrium, is free to rotate and its movement is induced by a weight that has a prescribed periodic movement along an initially horizontal rail attached to the rotation center of the tank which periodically displaces the center of gravity. The breaking waves and sloshing dynamics of the fluids placed inside the tank affect the damping characteristics of the system. It is recommended to use at least 16 CPUs for this problem.

References :

[1] G. Bulian, A. Souto-Iglesias, L. Delorme, and E. Botia-Vera, “SPH simulation of a tuned liquid damper with angular motion,” Journal of Hydraulic Research, vol. 48, no. Extra Issue, pp. 28–39, 2010.

[2] Botia-Vera, E., A. Souto-Iglesias, G. Bulian, and L. Lobovský (2010). Three SPH Novel Benchmark Test Cases for free surface flows. In 5th ERCOFTAC SPHERIC workshop on SPH applications.