| Reflection and transmission of regular waves at a surface-pitching slotted barrier |
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| 作者姓名： | 黄振华 |
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| 作者单位： | School of |
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| 基金项目： | 香港研究资助局资助项目 |
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| 摘 要： | The interactions between regular surface waves and a surface-pitching slotted barrier are investigated both analytically and experimentally.A quasi-linear theory is developed using the eigenfunction expansion method.The energy dissipation within the barriers is modeled by a quadratic friction factor,and an equivalent linear dissipation coefficient,which is depth-varying,wave-height dependent,is introduced to linearize the matching condition at the surface-pitching barrier.By comparing the theoretical results with laboratory experiments,it is shown that the present method can satisfactorily predict the variation of the reflection and transmission coefficients with wave height.
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| 关 键 词： | 表面波 波反射 海浪结构 防波堤 |
| 收稿时间： | 4 July 2006 |
| 修稿时间： | 2006-07-04 |
Reflection and transmission of regular waves at a surface-pitching slotted barrier |
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| Zhen-hua Huang.Reflection and transmission of regular waves at a surface-pitching slotted barrier[J].Applied Mathematics and Mechanics(English Edition),2007,28(9):1153-1162. |
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| Authors: | Zhen-hua Huang |
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| Institution: | School of Civil and Environmental Engineering, Nanyang Technological University,50 Nanyang Avenue, Singapore 639798 |
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| Abstract: | The interactions between regular surface waves and a surface-pitching slotted barrier are investigated both analytically and experimentally.A quasi-linear theory is developed using the eigenfunction expansion method.The energy dissipation within the barriers is modeled by a quadratic friction factor,and an equivalent linear dissipation coefficient,which is depth-varying,wave-height dependent,is introduced to linearize the matching condition at the surface-pitching barrier.By comparing the theoretical results with laboratory experiments,it is shown that the present method can satisfactorily predict the variation of the reflection and transmission coefficients with wave height. |
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| Keywords: | surface waves wave reflection coastal structures breakwaters slotted barriers |
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