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Wave transformation over submerged permeable breakwater on porous bottom

机译:多孔底部浸没式防波堤上的波浪变换

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A numerical model is presented in this study to investigate the wave transformation over a submerged permeable breakwater on a porous slope seabed. For this purpose, the time-dependent mild-slope equation is newly derived for waves propagating over two layers of porous medium. This new mild-slope equation involves the parameters of the porous medium, and it is a type of hyperbolic differential equation, therefore numerically efficient. The validity of the present model is verified based on the comparisons with the previous experiments. The effects of the permeable properties of both the porous seabed and the submerged permeable breakwater are discussed in detail. The geometry of the submerged permeable breakwater to the wave transformation is also investigated based on the numerical solutions.
机译:在这项研究中提出了一个数值模型,以研究多孔斜坡海床上淹没的渗透性防波堤上的波浪转换。为此,针对在两层多孔介质上传播的波,重新推导了随时间变化的缓坡方程。这个新的缓坡方程涉及多孔介质的参数,它是一种双曲型微分方程,因此在数值上很有效。基于与先前实验的比较,验证了本模型的有效性。详细讨论了多孔海底和水下渗透性防波堤的渗透性的影响。在数值解的基础上,研究了水下渗透性防波堤向波型转变的几何形状。

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