| Verification of A Numerical Harbour Wave Model |
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| 作者姓名： | 潘军宁 洪广文 左其华 王登婷 |
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| 作者单位： | State Key Laboratory of Hydrology-Water Resources and Hydraulic Engineering Hohai University，State Key Laboratory of Hydrology-Water Resources and Hydraulic Engineering，Hohai University，State Key Laboratory of Hydrology-Water Resources and Hydraulic Engineering，Nanjing Hydraulic Research Institute，State Key Laboratory of Hydrology-Water Resources and Hydraulic Engineering，Nanjing Hydraulic Research Institute，Nanjing 210098，China，State Key Laboratory of Hydrology-Water Resources and Hydraulic Engineering，Nanjing Hydraulic Research Institute，Nanjing 210029，China，Nanjing 210098，China，Nanjing 210029，China，Nanjing 210029，China |
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| 摘 要： | A numerical model for wave propagation in a harbour is verified by use of physical models.The extended time-dependent mild slope equation is employed as the governing equation,and the model is solved by use of ADI method containing the relaxation factor.Firstly,the reflection coefficient of waves in front of rubble-mound breakwaters under oblique incident waves is determined through physical model tests,and it is regarded as the basis for simulating partial reflection boundaries of the numerical model.Then model tests on refraction,diffraction and reflection of waves in a harbour are performed to measure wave height distribution.Comparative results between physical and numerical model tests show that the present numerical model can satisfactorily simulate the propagation of regular and irregular waves in a harbour with complex topography and boundary conditions.
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| 关 键 词： | 波浪 模拟技术 海港 海水 |
Verification of A Numerical Harbour Wave Model |
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| PAN Jun-ning,HONG Guang-wen,ZUO Qi-hua,WANG Deng-ting.Verification of A Numerical Harbour Wave Model[J].China Ocean Engineering,2007,21(4):647-658. |
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| Authors: | PAN Jun-ning HONG Guang-wen ZUO Qi-hua WANG Deng-ting |
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| Institution: | [1]State Key Laboratory of Hydrology-Water Resources and Hydraulic Engineering, Hohai University, Nanfing 210098, China [2]State Key Laboratory of Hydrology-Water Resources and Hydraulic Engineering, Nanfing Hydraulic Research Institute, Nanjing 210029, China |
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| Abstract: | A numerical model for wave propagation in a harbour is verified by use of physical models.The extended time-dependent mild slope equation is employed as the governing equation,and the model is solved by use of ADI method containing the relaxation factor.Firstly,the reflection coefficient of waves in front of rubble-mound breakwaters under oblique incident waves is determined through physical model tests,and it is regarded as the basis for simulating partial reflection boundaries of the numerical model.Then model tests on refraction,diffraction and reflection of waves in a harbour are performed to measure wave height distribution.Comparative results between physical and numerical model tests show that the present numerical model can satisfactorily simulate the propagation of regular and irregular waves in a harbour with complex topography and boundary conditions. |
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| Keywords: | wave mild slope equation numerical model harbour verification |
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