关于半封闭海湾潮波的数值模拟

摘要: 本文用H-N方法的单层模式,对若干规则形状半封闭海湾内的潮波进行了数值试验,并结合黄、渤海区潮波的数值模拟进行了讨论.本文认为,在一个海湾中,当潮波在前进方向上遇到向右转的岸线时,在其附近容易产生一块右旋区域;而在遇到向左转的岸线时(包括海湾的顶端),容易产生左旋;从而对黄、渤海中不同区域内旋转方向的不同给出一种机制性解释.本文还讨论了数值模拟中开边界上各点输入水位的振幅和迟角变化对海湾内水位和潮流的影响.

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