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首页> 外文会议>Seventh International Conference on Modelling, Measuring and Prediction of Water Pollution null Cadiz >A nonlinear numerical model for surface and internal waves around various permeable breakwaters
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A nonlinear numerical model for surface and internal waves around various permeable breakwaters

机译：各种渗透性防波堤周围表面和内部波的非线性数值模型

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摘要

The effect of different types of permeable structures on surface and internal waves has been studied considering the nonlinear properties of fluid motion. The governing equations are a set of nonlinear equations representing a multilayer fluid system in porous media. The Lagrangian of each fluid layer was vertically integrated satisfying nonlinear boundary conditions on the interfaces, after which the variational principle was applied to yield a set of time-dependent, fully nonlinear equations taking into account a continuous distribution of porosity. Any structure shape described as a porous body can be treated. Several numerical computations were carried out to investigate the deformation of surface/internal long waves around different permeable breakwaters including submerged breakwaters, breakwaters with an opening, and submerged horizontal plates. Water particle trajectories were also simulated.
机译：考虑到流体运动的非线性特性，研究了不同类型的渗透性结构对表面波和内部波的影响。控制方程是一组非线性方程，表示多孔介质中的多层流体系统。在界面上满足非线性边界条件的情况下，垂直整合了每个流体层的拉格朗日函数，此后应用变分原理得出了一组随时间变化的，完全非线性的方程，其中考虑了孔隙度的连续分布。可以描述为多孔体的任何结构形状。进行了数个数值计算，以研究不同渗透性防波堤周围的表面/内部长波的变形，这些防波堤包括水下防波堤，带开口的防波堤和水下水平板。还模拟了水粒子的轨迹。

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