Abstract
For violent sloshing, the flow field becomes complicated and 3-D effect is non-negligible. In addition to the excitation direction, the wave can also propagate perpendicular to the excitation direction. Due to the superposition of waves from different directions, the impact pressure imposed on the wall of the tank may increase. In this paper, our in-house solver MPSGPU-SJTU based on moving particle semi-implicit (MPS) method coupled with GPU techniques is employed for the liquid sloshing simulation, to study the factors leading to the 3-D effect. Firstly, a series of sloshing simulations are carried out to validate the reliability of present solver. Then, the sensitivity of 3-D effect against some parameters, such as excitation frequency, dimensions of the tank and filling ratio, is checked through numerical simulations. Time histories of pressure obtained by 2-D and 3-D simulations are compared to judge the occurrence of 3-D effect. It concludes that effects of those parameters are all significant.
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