| 矩形港池的港内共振研究 |
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| 引用本文： | 史宏达,徐国栋,孙龙龙.矩形港池的港内共振研究[J].海岸工程,2011,30(2):14-21. |
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| 作者姓名： | 史宏达 徐国栋 孙龙龙 |
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| 作者单位： | 1. 中国海洋大学,工程学院,山东,青岛,266100;海洋工程山东省重点实验室,山东,青岛,266100
2. 中国海洋大学,工程学院,山东,青岛,266100 |
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| 摘 要： | 在理想地形条件下,应用MIKE 21-BW模块进行了不同入射波周期的矩形港池的港内波高分布计算,数值计算结果表明,港池尺度为入射波半波长的整数倍时,港内将产生驻波共振;港内共振与口门宽度相关.在某一尺度下,口门宽度越小,港池共振越明显;港池口门的位置会对港池共振的模式发生影响,可能导致出现第二类共振频率.
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| 关 键 词： | 矩形港池 长周期波 共振 波浪绕射 |
Study on Resonance in a Rectangular Harbor Basin |
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| SHI Hong-Da,XU Guo-Dong,SUN Long-Long.Study on Resonance in a Rectangular Harbor Basin[J].Coastal Engineering,2011,30(2):14-21. |
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| Authors: | SHI Hong-Da XU Guo-Dong SUN Long-Long |
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| Institution: | 1.College of Engineering Ocean University of China,Qingdao 266100,China;2.Key Laboratory of Ocean Engineering of Shandong,Qingdao 266100,China) |
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| Abstract: | The MIKE 21-BW model is applied to calculate the wave height distributions corresponding to various incident waves into a rectangular harbour basin within an ideal topography.It is shown in the results from the numerical calculation that the stationary wave resonance can be generated in a harbour basin which has a spatial scale equivalent to the integral multiple of the semi-wave length.The resonance inside of the harbour basin is correlative to the width of the harbour entrance.If the harbour entrance becomes narrower than a certain scale,the narrower it is,the more obvious the resonance becomes in the harbour basin.Furthermore the harbour entrance locations will exerttheir effects on the resonance patterns,and the resonance with another frequency might happen in the harbor basin. |
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| Keywords: | rectangular harbour basin long-period wave resonance wave diffraction |
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