威海船厂港域泊稳试验研究与数值模拟

针对威海船厂搬迁工程进行了港域波高物理模型试验研究。试验表明在2 a一遇波浪条件下大多数泊位满足泊稳要求,个别泊位不满足要求但相差不大。采用MIKE21-BW模型,考虑波浪的反射、绕射、破碎等物理现象建立近岸波浪数学模型,对港域单向不规则波传播变形过程进行数值模拟,将数值计算结果与试验结果进行比较。二者在港池外有效波高最大差值为0.29 m,港池内最大差值为0.1 m,吻合度较高,表明BW模型可用于威海船厂近岸波浪传播变形与泊稳计算。

Experimental test and numerical simulation of berthing in harbor basin of Weihai shipyard

The physical experiment is performed to study the berthing condition of Weihai shipyard after it moves to a new site.Experimental results show that the berthing conditions of most berths are satisfactory under the 2-year return wave height.The berthing conditions of the others are neither satisfactory nor too serious for the ship berthing.Based on the MIKE21-BW model,which takes into consideration of wave reflection,wave diffraction and wave breaking,we establish a nearshore wave transformation model.The unidirectional irregular wave propagation and transformation in Weihai shipyard is simulated using this model.The comparison between the numerical and measured results show that the maximum difference of significant wave height is 0.29 m outside the harbor basin,and the maximum difference is 0.1 m inside the basin.The results of calculation and measurement are in good agreement.It indicates that the BW model is suitable for the wave transformation and basin tranquility of Weihai shipyard.