In the third part of this paper, The model of ECOMSED with the orthogonal curvilinear grid system is applied to simulate the tide and tidal current in the Beibu Bay.

• 本文的第三部分在基于正交曲线坐标的ECOMSED三维水动力模式的基础上,对北部湾的潮汐潮流进行数值模拟。