| 大规模多岛屿海域潮流场的数值模拟 |
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| 引用本文： | 周发毅,郭勇,虞和莹.大规模多岛屿海域潮流场的数值模拟[J].海洋工程,1995(4). |
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| 作者姓名： | 周发毅 郭勇 虞和莹 |
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| 作者单位： | 大连理工大学 |
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| 摘 要： | 本文提出了一种系统地分析大规模多岛屿海域潮流场的数值模拟方法,以及只有有限代表点位的计算区域内的潮汐和潮流资料的分析方法。建立了适用于复杂的多岛屿海域上平面二维潮波数值计算模型的选择及网格自动剖分方法。通过对长海县长山群岛海域潮流场的模拟,验证了此方法在计算规模大而又要求局部分辨率高的潮流场时,该方法效率高,经济合理,灵活方便。
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| 关 键 词： | 多岛屿海域 潮流场 数值模拟 有限差分法 动边界 窄缝法 |
THE NUMERICAL SIMULATION OF THE TIDAL FLOW IN A LARGE SEA AREA WITH MULTI-ISLANDS |
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| Zhou Fayi,Guo Yong,Yu Heying.THE NUMERICAL SIMULATION OF THE TIDAL FLOW IN A LARGE SEA AREA WITH MULTI-ISLANDS[J].Ocean Engineering,1995(4). |
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| Authors: | Zhou Fayi Guo Yong Yu Heying |
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| Institution: | Dalian University of Technology |
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| Abstract: | In this paper, an effective numerical model in finite difference scheme with a triangular mesh is used to simulate the tidal flow in a large sea area with multi-islands. The derivative terms with respect to time are discretized algebraically with two-order interpolation. The so-called "crack method" is used to treat the moving boundary and the mesh is automatically generated. The paper also proposes the method of processing the data of tide and current of limited observation stations and the way of specifying the open boundary condition for tidal simulation. |
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| Keywords: | large sea area with multiislands tidal current numerical simulation finite difference method movable boundary crack method |
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