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依据复杂网络河的特点及其内在联系,本文建立了其特征矩阵及由NewtonRaphson格式表述的隐式圣-维南差分方程组的系数矩阵。经输入边界条件及解方程组,可得到不同时段各支段上、下游端点上的水位和流量值。
According to the characteristics and internal relations of the complex network river, this paper establishes the eigenmatrix and the coefficient matrix of implicit Saint-Venant difference equations expressed by Newton-Raphson format. By inputting the boundary conditions and solving the system of equations, the water level and the flow rate at the upstream and downstream ends of each branch in different periods can be obtained.