Hydrostatic Three Dimensional Numerical Simulations of Tsunami Scour in Harbor
Hydrostatic Three Dimensional Numerical Simulations of Tsunami Scour in Harbor
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海啸冲刷港口的静水三维数值模拟
DOI：
10.2208/proce1989.54.516
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发表时间：
2007
期刊：
影响因子：
--
通讯作者：
M. Matsuyama
中科院分区：
文献类型：
--
作者：
Naoto Kihara;M. Matsuyama
我们开发了一个静水三维数值模型，适用于分析海啸冲刷和港口沉积。该模型可以明确地估计悬浮泥沙浓度的垂直分布，这对于精确预测海啸沉积具有重要意义。为了验证模型，我们进行了测试模拟；长波在平坦的墙壁上传播，以及在最初清澈的水的沙床上稳定均匀流动中悬浮泥沙浓度剖面的发展。还对理想化港口的海啸冲刷和沉积进行了数值模拟，并将数值结果与实验室实验进行了比较。结果，我们确认了他们之间的协议。
We developed a hydrostatic three dimensional numerical model, which was applicable to analyses of tsunami scours and depositions in harbors. The model can explicitly estimate vertical distributions of suspended sediment concentration, which would be important to predict the tsunami deposition precisely. In order to validate the model, we carried out the test simulations; the long-wave propagations over a flat wall, and the development of suspended sediment concentration profiles in a steady homogeneous flow over a sand bed with initially clear water. The numerical simulation of tsunami scour and deposition in an idealized harbor was also carried out, and we compared our numerical results with the laboratory experiment. As a result, we confirmed an agreement among them.