| Wave Damping over a Perforated Plate with Water Chambers |
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| 作者姓名： | 朱书堂 |
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| 作者单位： | Institute of |
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| 基金项目： | Acknowledgements The author thanks Delft University of Technology of the Netherlands for granting him a Senior Research Fellowship from November 2000 to April 2001. Special thanks are also due to Professor J. A. Battjes for his supervision. |
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| 摘 要： | Introduction In recent decades,various permeable structures have been used in coastal engineering projects not only as breakwaters to prevent wave attacks but also as sea-walls to dissipate harbor waves.Permeable structures can be cataloged by their appea…
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| 关 键 词： | 多孔板 位势理论 扩散波 波阻尼 水套 |
| 收稿时间： | 2004-10-25 |
| 修稿时间： | 2004-10-252004-12-06 |
Wave Damping over a Perforated Plate with Water Chambers |
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| ZHU Shutang.Wave Damping over a Perforated Plate with Water Chambers[J].Tsinghua Science and Technology,2006,11(3):332-338. |
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| Authors: | ZHU Shutang |
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| Institution: | Institute of Nuclear and New Energy Technology, Tsinghua University, Beijing 100084, China |
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| Abstract: | The movement of waves propagating over a horizontally submerged perforated plate with water-filled chambers bellow the plate was investigated by using linear potential theory. The analytical solution was compared with laboratory experiments on wave blocking. The analysis of the wave energy dissipation on the perforated bottom surface shows that the effects of the perforated plate on the wave motion depend mainly on the plate porosity, the wave height, and the wave period. The wave number is a complex number when the wave energy dissipation on the perforated plate is considered. The real part of the wave number refers to the spatial periodicity while the imaginary part represents the damping modulus. The characteristics of the wave motion were explored for several possible conditions. |
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| Keywords: | perforated plate potential theory propagating wave wave-damping |
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