| Numerical Simulation for Refraction-Diffraction of Waves in Water of Slowly Varying Current and Topography |
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| 作者单位： | Hong Guangwen，Feng Weibing Xia Qiyi Pan Shaohua
Professor，Research Institute of Coastal and Ocean Engineering，Hohai University，1 Xikang Road，Nanjing 210024
Senior Engineer，Research Institute of Coastal and Ocean Engineering，Hohai University，1 Xikang Road，Nanjing 210024 |
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| 摘 要： | A new numerical finite difference iteration method for refraction-diffraction of waves in waterof slowly varying current and topography is developed in this paper.And corresponding theoretical modelincluding the dissipation term is briefly described,together with some analysis and comparison ofcomputational results of the model with measurements in a hydraulic scale model(Berkhoff et al.,1982).An example of practical use of the method is given,showing that the present model is useful to engineeringpractice.
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Numerical Simulation for Refraction-Diffraction of Waves in Water of Slowly Varying Current and Topography |
| |
| Authors: | Hong Guangwen Feng Weibing Xia Qiyi Pan Shaohua
Professor Research Institute of Coastal and Ocean Engineering Hohai University Xikang Road Nanjing
Senior Engineer Research Institute of Coastal and Ocean Engineering Hohai University Xikang Road Nanjing |
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| Institution: | Hong Guangwen,Feng Weibing Xia Qiyi Pan Shaohua
Professor,Research Institute of Coastal and Ocean Engineering,Hohai University,1 Xikang Road,Nanjing 210024
Senior Engineer,Research Institute of Coastal and Ocean Engineering,Hohai University,1 Xikang Road,Nanjing 210024 |
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| Abstract: | A new numerical finite difference iteration method for refraction-diffraction of waves in water of slowly varying current and topography is developed in this paper. And corresponding theoretical model including the dissipation term is briefly described, together with some analysis and comparison of computational results of the model with measurements in a hydraulic scale model (Berkhoff et al., 1982). An example of practical use of the method is given, showing that the present model is useful to engineering practice. |
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| Keywords: | refraction-diffraction of waves on current wave number conservation wave action conservation Eikonal equation time dependent mild slope equation on current energy dissipation |
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