Numerical simulation of wave run-up on four cylinders in a square configuration

被引:5
|
作者
Chen, Weiyi [1 ]
Gao, Yangyang [1 ,4 ]
Wang, Lizhong [1 ,4 ]
Guo, Zhen [2 ,4 ]
Wang, Bin [3 ]
机构
[1] Zhejiang Univ, Ocean Coll, Zhoushan 316021, Peoples R China
[2] Zhejiang Univ, Coll Civil Engn & Architecture, Hangzhou 310058, Peoples R China
[3] Powerchina Huadong Engn Corp Ltd, Hangzhou 311122, Peoples R China
[4] Minist Educ, Engn Res Ctr Ocean Sensing Technol & Equipment, Zhoushan, Peoples R China
基金
中国国家自然科学基金;
关键词
Wave run-up; Four-cylinder in a square configuration; Mass source function; Spacing ratio; Near-trapping;
D O I
10.1016/j.apor.2020.102519
中图分类号
P75 [海洋工程];
学科分类号
0814 ; 081505 ; 0824 ; 082401 ;
摘要
A series of numerical simulations of wave run-up on four-cylinder array is performed at different spacing ratios 1.5 <= L/D <= 4.25, where L is the center-to-center distance between the adjacent cylinders and D is the cylinder diameter. The effects of spacing ratio and wave steepness on the wave run up ratio and wave force on the four cylinders are investigated. The results show that with variation of the spacing ratios and incident wave angles, different wave pattern regimes are observed among four cylinders. It is interesting to note that the maximum run-up ratio occurs at L/D = 2.0 with the large wave steepness H/lambda =1/16, and approaches to 2.4 times of that for the single cylinder in the case of incident wave angle beta = 45 degrees. The spacing ratio has a significant effect on the horizontal wave forces for the four cylinders, however, the location of the maximum wave force is found to be not significantly related to that of the maximum run-up ratio.
引用
收藏
页数:21
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