多向随机波浪反射的试验研究  

Laboratory Study of Multi-directional Random Wave Reflection

作　　者：俞聿修[1] 吴喜德[1] 李毓湘[2] 

机构地区：[1]大连理工大学海岸和近海工程国家重点实验室,辽宁大连116024 [2]香港理工大学土木及结构工程系

出　　处：《海岸工程》2003年第3期1-11,共11页Coastal Engineering

摘　　要：试验研究了多向随机波浪在直立式防波堤和斜坡式防波堤前的反射情况。在试验中,改变波浪要素(波陡、周期)、波浪入射角度(正向、斜向)和方向分布以及防波堤的坡度,以充分研究这些因素对波浪反射的影响。遗传算法用来分析多向随机波从建筑物的反射。试验结果表明,直立堤的反射系数基本上不随入射波浪方向变化,斜坡堤的反射系数随波浪峰频的增大和堤坡的变缓而减小,且随波浪方向有一定变化。还探讨了多向随机波浪在斜坡式防波堤上的反射面位置问题。In this paper, the laboratory study of multi-directional random wave reflection on vertical and sloping breakwaters is presented. In the modei experiments, dif-ferent wave parameters, incident directions and breakwater slopes were used to study the effect of these parameters on the reflective wave field, and the genetic algorithm was used to analyze the reflective wave field. It is shown from the experimental results that the reflection coefficient of vertical breakwater is basically independent of the incident wave direction, the reflection coefficient of sloping breakwater dereases with in-creasing wave peak frequency and decreasing breakwater slope, and is slightly depen-dent on the incident wave direction. The reflection line position of multi-directional random wave on sloping breakwater is also discussed.

关 键 词：多向随机波浪 反射系数 反射面位置 遗传算法 模型试验 直立式防波堤 斜坡式防波堤 港口建筑物 海岸工程 

分 类 号：P731.22[天文地球—海洋科学] U656.2[交通运输工程—港口、海岸及近海工程]