| 波浪反射系数谱的特征分析 |
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| 引用本文： | 邵利民,袁群哲,俞聿修.波浪反射系数谱的特征分析[J].海洋学报,2005,27(5):157-163. |
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| 作者姓名： | 邵利民 袁群哲 俞聿修 |
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| 作者单位： | 1.海军大连舰艇学院, 海洋与测绘科学系, 辽宁大连 116018 |
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| 摘 要： | 应用斜向不规则波反射系数的改进两点法(MTPM),用模型试验研究了混凝土护面堤和块石护面堤波浪反射系数的频率谱和方向谱,结果表明,分析的反射系数随入射波频率的增加、结构坡度的减小和入射角的加大而减小.给出了波浪反射系数频率谱及其随Iribarren数变化的规律,提出了反射系数三维谱的经验公式,由此可定量地描述斜向不规则波的反射系数随无量纲特征参数Iribarren数和入射波角度的变化规律.
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| 关 键 词： | 波浪反射 反射系数谱 反射系数的方向分布 斜坡堤 |
| 文章编号： | 0253-4193（2005）05-0157-07 |
| 收稿时间： | 2004-10-14 |
| 修稿时间： | 2004-10-142005-01-17 |
Analysis characteristics of wave reflection coefficient spectrum |
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| SHAO Li-min,YUAN Qun-zhe and YU Yu-xiu.Analysis characteristics of wave reflection coefficient spectrum[J].Acta Oceanologica Sinica (in Chinese),2005,27(5):157-163. |
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| Authors: | SHAO Li-min YUAN Qun-zhe and YU Yu-xiu |
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| Institution: | 1.Department of Oceanography and Topography, Dalian Naval Academy, Dalian 116018, China2.State Key Laboratory of Coastal and offshore Engineering, Dalian University of Technology, Dalian 116023, China |
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| Abstract: | The wave reflection coefficient frequency spectrum and directional spectrum for concrete shield breakwater and rubble mound breakwater have been investigated through physical model tests. Reflection coefficients of oblique irregular waves are analyzed with the modified two-points method (MTPM) proposed. The results show that wave reflection coefficient decreases with increasing of wave frequency and incident angle or decreasing of the structure slope. The reflection coefficient frequent spectrum and its variation with Iribarren number are given. An empirical 3-dimensional reflection coefficient spectrum is suggested, which can be used to illustrate quantitatively the variations of reflection coefficient with incident angle and a non-dimensional characterized parameter Iribarren number for oblique irregular waves. |
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| Keywords: | wave reflection reflection coefficient frequency spectrum reflection coefficient directional spectrum slope breakwater |
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