Numerical Simulation of Wave Propagation over Structures on a Porous Seabed

被引：4
|
作者：
Min, Eun-Hong [1 ]
Koo, Weoncheol [1 ]
机构：
[1] Inha Univ, Dept Naval Architecture & Ocean Engn, Incheon, South Korea
来源：
JOURNAL OF COASTAL RESEARCH | 2018年
关键词：
Numerical wave tank; porous domain; Darcy's law; Bragg reflection; Wave propagation;
D O I：
10.2112/SI85-194.1
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
A wave-body interaction with semi-circular rigid structures placed on a porous seabed was simulated. Owing to the rigid structures installed at regular intervals, spatial modulation of the wave propagation due to a Bragg reflection was examined. The computational domain consisted of a potential-flow water domain and porous domain with Darcy's law interface boundary condition. Using the numerical wave tank technique, the two-domain boundary element method was developed to simulate wave propagation over seafloor structures on the porous boundary in the time domain. For various permeability constants and incident wave frequencies, wave amplitude was varied in the direction of wave propagation over the porous boundary and the effects of the permeability on wave attenuation were investigated.
引用
收藏
页码：966 / 970
页数：5
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