Numerical simulation of irregular wave transformation due to wave-induced current

被引:4
|
作者
Choi, Junwoo [1 ]
Lim, Chae-Ho [1 ]
Jeon, Young-Joon [1 ]
Yoon, Sung Bum [1 ]
机构
[1] Hanyang Univ, Dept Civil & Environm Engn, Ansan 426791, Kyunggi, South Korea
关键词
Submerged elliptic shoal; Irregular waves; Wave-induced current; Wave-current interaction;
D O I
10.1016/j.jher.2007.08.001
中图分类号
TU [建筑科学];
学科分类号
0813 ;
摘要
In order to investigate the effects of wave breaking-induced currents on the transformation of irregular waves over a shoal, two numerical model systems, a combination of SWAN plus SHORECIRC and a combination of REF/DIF S plus SHORECIRC, were constructed. The experimental results of irregular breaking waves conducted by Vincent and Briggs [1989, Refraction diffraction of irregular waves over a mound. J. Waterway Port Coast. Ocean Eng. 115(2), 269-284.] were simulated using these two wave and current model combinations. Even though the two model combinations show a slight disagreement on the wave transformations, the numerical results indicate that it is necessary to take into account the effect of the breaking-induced currents when the waves are breaking over a shoal: The computed results agree much better with the experimental measurements than the simulation results obtained by neglecting the wave-current interaction. (C) 2007 Published by Elsevier B.V. on behalf of International Association for Hydraulic Engineering and Research, Asia Pacific Division.
引用
收藏
页码:133 / 142
页数:10
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