Abstract
ABSTRACT The aim of this work is to simulate the complex 3D hydrodynamics inside free-surface anti-roll tanks with obstacles and side sub-compartments. The case studies comprise a rectangular tank, a tank with a C-shaped section and a rectangular tank with baffles, for which experimental results are provided. The simulations have been performed for 3 and 6 degrees of roll, and for various filling levels. The Open Source Computational Fluid Dynamics (CFD) tool OpenFOAM has been used to carry out the simulations. Various turbulence models and boundary condition implementations have been used. It is shown in the paper that the k-ω SST model with slip boundary condition is the one that provides the best trade-off between accuracy and computational efficiency. In order for present results to be easily reproducible, the simulations files, also including the geometrical ones, are provided as supplementary material.
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