Numerical Simulation of Sloshing in a Container under Translational and Angular Accelerations

Liquid sloshing of a partially filled container subject to surge and pitch motions is numerically investigated using a sophisticated numerical algorithm. The algorithm is developed based on the finite volume methodology and volume of fluid (VOF) technique is utilized to capture the interface evolution and deformation. Also, the interface capturing quality of the developed flow solver is enhanced due to its coupling to THINC interface sharpening technique. The numerical results are validated through the comparison of the interface deformation amplitude and the frequency with the available experimental and analytical data for liquid sloshing caused by lateral sinusoidal accelerations with resonance and non-resonance frequencies. Moreover, liquid sloshing due to angular excitations are studied for two different tank geometries with and without damping baffles. The resulting pressure oscillations of the pressure exerted on the side walls are monitored and compared to the experimental data.