| A WEAKLY NONLINEAR WATER WAVE MODEL TAKING INTO ACCOUNT DISPERSION OF WAVE PHASE VELOCITY |
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| 作者姓名： | 李瑞杰 李东永 |
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| 作者单位： | [1]DepartmentofOceanTechnology,TarifftcandOceanEngingingCollege,HohaiUniversity,Nanjing210098,China [2]CoastalandHarborEngineeringResearchCentre,KoreaOceanResearchandDevelopmentInstitute,Seoul425600,Korea8 |
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| 摘 要： | This paper presents a weakly nonlinear water wave model using a mild slope equation and a new explicit formulation which takes into account dispersion of wave phase velocity, approximates Hedges‘ (1987) nonlinear dispersion relationship, and accords well with the original empirical formula. Comparison of the calculating results with those obtained from the experimental data and those obtained from linear wave theory showed that the present water wave model considering the dispersion of phase ve-locity is rational and in good agreement with experiment data.
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| 关 键 词： | 非线性 海洋波浪 模型 相位 速率 线性 推理 |
| 收稿时间： | 16 August 2000 |
| 修稿时间： | 2 April 2001 |
A weakly nonlinear water wave model taking into account dispersion of wave phase velocity |
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| Li Rui-jie,Dong-Young Lee.A WEAKLY NONLINEAR WATER WAVE MODEL TAKING INTO ACCOUNT DISPERSION OF WAVE PHASE VELOCITY[J].Chinese Journal of Oceanology and Limnology,2002,20(2):107-112. |
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| Authors: | Li Rui-jie Dong-Young Lee |
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| Institution: | (1) Department of Ocean Technology, Tariffic and Ocean Enginging College, Hohai University, 210098 Nanjing, China;(2) Coastal and Harbor Engineering Research Centre, Korea Ocean Research and Development Institute, 425600 Seoul, Korea |
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| Abstract: | This paper presents a weakly nonlinear water wave model using a mild slope equation and a new explicit formulation which takes into account dispersion of wave phase velocity, approximates Hedges' (1987) nonlinear dispersion relationship, and accords well with the original empirical formula. Comparison of the calculating results with those obtained from the experimental data and those obtained from linear wave theory showed that the present water wave model considering the dispersion of phase velocity is rational and in good agreement with experiment data. |
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| Keywords: | dispersion of phase velocity explicit non-linear dispersion relation water wave mild slope equation |
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