In a laterally excited, partially liquid-filled U-shaped container, oscillation is the predominant motion of the liquid. However, there would be some sloshing in the liquid free surface at the vertical limbs of the container. Due to the presence of high-energy velocity pulses, near-fault ground motions can cause significant sloshing in the vertical limbs of the container. Thus, it is necessary to examine the effect of near-fault earthquake excitations on the sloshing liquid height, sloshing-induced hydrodynamic pressure, and shear stress at the walls of the U-shaped containers. The same is attempted in this paper. The standard “k-epsilon” turbulence model with enhanced wall function is considered in this study. The outcome of this study reveals that the time-wise frequency variation of the near-fault ground motions significantly affects the sloshing response of the liquid stored in the U-shaped containers. It is observed that the sloshing-induced hydrodynamic pressure is severely influenced by the frequency content of the ground motion records rather than their peak ground acceleration.

在横向激励、部分充满液体的 U 形容器中，振荡是液体的主要运动。然而，容器垂直边缘处的液体自由表面会出现一些晃动。由于高能速度脉冲的存在，近断层地面运动可能会导致容器垂直肢发生明显晃动。因此，有必要研究近断层地震激励对晃动液体高度、晃动引起的动水压力和U形容器壁上剪应力的影响。本文也做了同样的尝试。本研究考虑了具有增强壁函数的标准“ k -epsilon”湍流模型。这项研究的结果表明，近断层地面运动的时间频率变化显着影响 U 形容器中存储液体的晃动响应。据观察，晃动引起的动水压力受到地面运动记录的频率内容而不是其峰值地面加速度的严重影响。