首页|NUMERICAL SIMULATION FOR 2D SHALLOW WATER EQUATIONS BY USING GODUNOV-TYPE SCHEME WITH UNSTRUCTURED MESH

NUMERICAL SIMULATION FOR 2D SHALLOW WATER EQUATIONS BY USING GODUNOV-TYPE SCHEME WITH UNSTRUCTURED MESH

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In order to establish a well-balanced scheme, 2D shallow water equations were transformed and solved by using the Finite Volume Method (FVM) with unstructured mesh. The numerical flux from the interface between cells was computed with an exact Riemann solver, and the improved dry Riemann solver was applied to deal with the wet/dry problems. The model was verified through computing some typical examples and the tidal bore on the Qiantang River. The results show that the scheme is robust and accurate, and could be applied extensively to engineering problems.

2D shallow water equations, Finite Volume Method (FVM), unstructured mesh, Godunov-type scheme, Riemann solver

PAN Cun-hong、DAI Shi-qiang、CHEN Sen-mei

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Shanghai Institute of Applied Mathematics and Mechanics, Shanghai University, Shanghai 200436, China

Zhejiang Institute of Hydraulics and Estuary, Hangzhou 310020, China

国家自然科学基金

M403054

2006

水动力学研究与进展B辑
中国船舶科学研究中心

水动力学研究与进展B辑

CSTPCDSCIEI
影响因子:0.596
ISSN:1001-6058
年,卷(期):2006.18(4)
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