Bragg reflection of water waves by multiple submerged semi-circular breakwaters

被引：56
|
作者：
Liu, Yong [1 ]
Li, Hua-jun [1 ]
Zhu, Lei [2 ]
机构：
[1] Ocean Univ China, Shandong Prov Key Lab Ocean Engn, Qingdao 266100, Peoples R China
[2] Hebei Geol Prospecting Bur, Qinhuangdao Mineral Resource & Hydrogeol Brigade, Qinhuangdao 066001, Peoples R China
来源：
APPLIED OCEAN RESEARCH | 2016年 / 56卷
基金：
中国国家自然科学基金;
关键词：
Semi-circular breakwaters; Bragg reflection; Multipole expansions; Experimental tests; WIDE-SPACING APPROXIMATION; SURFACE GRAVITY-WAVES; RESONANT REFLECTION; SCATTERING; PROPAGATION; OBSTACLES; EQUATION; FORCES; SERIES; ARRAY;
D O I：
10.1016/j.apor.2016.01.008
中图分类号：
P75 [海洋工程];
学科分类号：
0814 ; 081505 ; 0824 ; 082401 ;
摘要：
This study examines the Bragg reflection of water waves by multiple submerged semi-circular breakwaters. The multipole expansions combined with the shift of polar coordinates are used to develop full linear potential solutions of the problem. In the full solutions, the obliquely and normally incident waves are independently considered. Experimental tests are carried out to measure the reflection and transmission coefficients of the breakwaters at different wave periods and body spacings. The analytical results are in reasonable agreement with the experimental data. The peak reflection coefficient of multiple submerged semi-circular breakwaters and the bandwidth of Bragg reflection are carefully examined by numerical examples. Some significant results for practical application are discussed. (C) 2016 Elsevier Ltd. All rights reserved.
引用
收藏
页码：67 / 78
页数：12
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