| 两层流体中水波与垂直圆柱浮体的相互作用 |
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| 引用本文： | 尤云祥,石强,魏岗,缪国平.两层流体中水波与垂直圆柱浮体的相互作用[J].上海交通大学学报,2007,41(9):1460-1464. |
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| 作者姓名： | 尤云祥 石强 魏岗 缪国平 |
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| 作者单位： | 上海交通大学,船舶海洋与建筑工程学院,上海,200030 |
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| 基金项目： | 国家自然科学基金;教育部跨世纪优秀人才培养计划 |
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| 摘 要： | 基于特征函数匹配理论,导出了作用在垂直圆柱浮体上波浪力的计算公式.对于两层流体,除了表面波模态的波浪力外,还有内波模态的波浪力,这与单层流体的情况是不同的.对所建立的求解模型进行了数值计算分析.结果表明,在某个频率范围内,流体的分层效应对垂直圆柱浮体的波浪力有一定影响.
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| 关 键 词： | 两层流体 圆柱浮体 表面波 内波 波浪力 |
| 文章编号： | 1006-2467（2007）09-1460-05 |
| 修稿时间： | 2006-09-15 |
The Interaction of Water Waves with a Vertically Floating Cylinder in a Two-Layer Fluid |
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| YOU Yun-xiang,SHI Qiang,WEI Gang,MIAO Guo-ping.The Interaction of Water Waves with a Vertically Floating Cylinder in a Two-Layer Fluid[J].Journal of Shanghai Jiaotong University,2007,41(9):1460-1464. |
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| Authors: | YOU Yun-xiang SHI Qiang WEI Gang MIAO Guo-ping |
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| Institution: | School of Naval Architecture , Ocean and Civil Eng. , Shanghai Jiaotong Univ. , Shanghai 200030 , China |
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| Abstract: | The hydrodynamic characteristics of a vertically floating cylinder in a two-layer fluid were considered.The computational formulations for the wave forces on the vertically floating cylinder were presented by matching eigen functions of the interior and exterior problems.In addition to the wave forces produced by surface waves,there are wave forces produced by internal waves.This is different from the case of the uniform fluid.Some examples were given,showing that the density stratification has an effect on the wave forces on the vertically floating cylinder over a specific range of frequencies. |
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| Keywords: | two-layer fluid floating cylinder surface waves internal waves wave forces |
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