| New Eulerian-Lagrangian Method for Salinity Calculation |
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| 作者单位： | ZHU Shouxian DING Pingxing SHA Wenyu FENG Mang ZHANG WenjingState Key Lahoratory of Estuarine and Coastal Research，East China Normal University，Shanghai 200062，China Meteorology Institute of the PLA Science and Engineering University，Nanjing 211101，China |
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| 摘 要： | A difference scheme in curvilinear coordinates is put forward for calculation of salinity in estuaries and coastal waters, which is based on Eulerian-Lagrangian method. It combines first-order and second-order Lagrangian interpolation to reduce numerical dispersion and oscillation. And the length of the curvilinear grid is also considered in the interpolation. Then the scheme is used in estuary, coast and ocean model, and several numerical experiments for the Yangtze Estuary and the Hangzhou Bay are conducted to test it. These experiments show that it is suitable for simulations of salinity in estuaries and coastal waters with the models using curvilinear coordinates.
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New Eulerian-Lagrangian Method for Salinity Calculation |
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| ZHU Shouxian ZHU Shouxian DING Pingxing SHA Wenyu FENG Mang ZHANG Wenjing. New Eulerian-Lagrangian Method for Salinity Calculation[J]. China Ocean Engineering, 2001, 0(4): 553-564 |
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| Authors: | ZHU Shouxian ZHU Shouxian DING Pingxing SHA Wenyu FENG Mang ZHANG Wenjing |
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| Abstract: | A difference scheme in curvilinear coordinates is put forward for calculation of salinity in estuaries and coastal waters, which is based on Eulerian-Lagrangian method. It combines first-order and second-order Lagrangian interpolation to reduce numerical dispersion and oscillation. And the length of the curvilinear grid is also considered in the interpolation. Then the scheme is used in estuary, coast and ocean model, and several numerical experiments for the Yangtze Estuary and the Hangzhou Bay are conducted to test it. These experiments show that it is suitable for simulations of salinity in estuaries and coastal waters with the models using curvilinear coordinates. |
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| Keywords: | convection-dispersion Eulerian-Lagrangian method Lagrangian interpolation curvilinear coordinates |
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