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首页> 外文期刊>九州大学工学集報 >A Numerical Method of Non-Linear Dispersive Wve Model and Evaluation of its Suitability
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A Numerical Method of Non-Linear Dispersive Wve Model and Evaluation of its Suitability

机译：非线性弥散波模型的数值方法及其适用性评价

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摘要

A Boussinesq equation is derived using the depth averaged velocity with the series expansion of the velocity potential as a product of powers of the depth of flow, in order to model the nonlinear transformation of surface wave and nearshore currents in shallow water. An ADI method is used to solve the derived equation. Moreover, in order to verify the Boussinesq equation model for the calculation of wave motion around an offshore barrier in shallow water, laboratory experiments were made with offshore detached breakwater. The wave height and depth-averaged velocity distributions were measured in detail and compared with results of the numerical simulation.
机译：为了模拟浅水中表面波和近岸水流的非线性变换，使用深度平均速度和速度势的级数展开作为流体深度的乘积来推导Boussinesq方程。 ADI方法用于求解导出的方程。此外，为了验证用于计算浅水区近海屏障周围波浪运动的Boussinesq方程模型，对离岸离岸防波堤进行了实验室实验。详细测量了波高和深度平均速度分布，并将其与数值模拟结果进行了比较。

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