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《Engineering Journal of Wuhan University》 2010-01
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Numerical simulation of fork-conflux flood flow in plain rivers based on curvilinear grids

LIU Shihe1,WANG Jing1,2,LUO Qiushi1(1.School of Water Resources and Hydropower,Wuhan University,Wuhan 430072,China;2.Yangtze River Investigation,Planning,Design & Research Institute,ChangjiangWater Resources Commission,Wuhan 430010,China)  
The fork-conflux flood flow movement in rivers was investigated for it is a noticeable complex problem in planning and designing engineering projects.The main works and conclusions are as follows.(1) A depth-averaged mathematical model was employed to simulate the flood flow in plain rivers in which the effects of rainfall and runoff on slope caused by it were taken into consideration as non-point source and lateral-inflow respectively.(2) A numerical method was introduced to solve the governing equations with curvilinear grid.Compared with the previous method,the governing equations need not be transformed into the curvilinear coordinates as before;and the algorithm can be applied to either orthogonal curvilinear grids or general curvilinear grids,which makes the algorithm more adaptable to complicated boundary.(3) The investigated data of the flood of Beiru Plain Rivers in 1943 was used for verification;and the calculated water level is in agreement with the observed ones.
【Fund】: 国家自然科学基金项目(编号:50539060)
【CateGory Index】: TV122
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【Citations】
Chinese Journal Full-text Database 4 Hits
1 SUN Dong-po~1,CHEN Yan-guo~2,WANG Peng-tao~1,LIAO Xiao-long~3,ZHANG Xiao-lei~1(1.North China University of Water Conservancy and Hydroelectric Power,Zhengzhou 450011,China;2.Guangdong Technical College of Water Resources and Electric Engineering,Guangzhou 510635,China;3.China Pearl River Resources Plan-designing Surveying Co.Ltd.Guangzhou 510610,China);Numerical simulation of flood in furcate-conflux region affected with the transfer project[J];Journal of Sediment Research;2007-06
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3 LIU Shihe1,ZHAO Shilai1,2,LUO Qiushi1 (1.School of Water Resources and Hydropower, Wuhan University, Wuhan 430072, China;2.Shandong Bureau, Yellow River Conservancy Commission, Jinan 250013,China);Simulation of low concentration sediment-laden flow based on two-phase flow theory Ⅱ—Solution and verification[J];Engineering Journal of Wuhan University;2007-04
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【Co-citations】
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1 ZHOU Chengcheng1,LI Hong2,LUO Qiushi1,LIU Shihe1(1.School of Water Resources and Hydropower, Wuhan University, Wuhan 430072, China;2.Yangling Vocational and Technical College,Yangling 712100,China);Numerical simulation of cooling water based on curvilinear grids[J];Engineering Journal of Wuhan University;2008-03
2 LUO Qiushi1,ZHU Jinxing2,LIU Shihe1(1.School of Water Resources and Hydropower,Wuhan University,Wuhan 430072,China;2.Office of China Water Resources News,Beijing 100014,China);Development of a river numerical simulation system and its application[J];Engineering Journal of Wuhan University;2009-01
3 XIONG Xiaoyuan1,2,LIU Shihe1,ZHOU Chengcheng1(1.School of Water Resources and Hydropower,Wuhan University,Wuhan 430072,China;2.Changjiang River Administration of Navigation Affairs,Ministry of Communications,Wuhan 430014,China);Theoretical analysis and numerical simulation of turbulent flow around sand waves and sand bars[J];Engineering Journal of Wuhan University;2009-04
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8 LIU Shi-he,LUO Qiu-shi,HUANG Wei (School of Water Resources and Hydropower,Wuhan University,Wuhan 430072,China);Generation of 2-D nonstructural grid by modified Delaunay method[J];Journal of Wuhan University of Hydraulic and Electric Engineering;2005-06
9 LIU Shihe1,ZHAO Shilai1,2,LUO Qiushi1 (1.School of Water Resources and Hydropower, Wuhan University, Wuhan 430072, China;2.Shandong Bureau, Yellow River Conservancy Commission, Jinan 250013,China);Simulation of low concentration sediment-laden flow based on two-phase flow theory Ⅱ—Solution and verification[J];Engineering Journal of Wuhan University;2007-04
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