When the ship speed exceeds a certain level in shallow water, ship-bank interaction induces great influence on the ship’s manoeurability with some special hydrodynamic characteristics, but the mechanism is not totally understood. This paper presents a numerical prediction of the ship-bank interaction for the model of the KRISO Container Ship. An unsteady Reynold-Averaged Navier Stokes solver is applied to simulate the viscous flows. A grid convergence study is performed and the numerical results are compared with the experimental data. The hydrodynamic forces and moments and the squat are computed for different water depths and ship-to-bank distances. Results show that the sway force changes into a repulsive force with respect to the bank under the condition of h = 1.15T or F_rh > 0.528 at h = 1.3T, which is due to the change of sway force distribution. The comparison of the results with and without free-surface modelling shows that the wave elevation affects the sway force distribution along the ship significantly. The detailed sway force distributions and wave elevations explain that the wave action between the ship and the bank is the key enabler of the occurrence of the repulsive sway force under the extreme conditions.

当船舶在浅水中的速度超过一定水平时，船岸相互作用会通过一些特殊的水动力特性对船舶的可操纵性产生很大的影响，但其机理尚不完全清楚。本文为KRISO集装箱船模型提供了船岸相互作用的数值预测。使用不稳定的Reynold平均Navier Stokes解算器来模拟粘性流。进行了网格收敛研究，并将数值结果与实验数据进行了比较。计算了不同水深和船到岸距离的流体动力，力矩和下蹲量。结果表明，在h  = 1.15 T或的条件下，摇摆力相对于堤岸变成排斥力。 在h  = 1.3 T时F _rh > 0.528 ，这是由于摇摆力分布的变化所致。有和没有自由表面建模的结果的比较表明，波高严重影响了沿船的摇摆力分布。详细的摇摆力分布和波浪高程说明，在极端条件下，船与岸之间的波浪作用是产生排斥摇摆力的关键因素。