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Pipe network analysis device, pipe network analysis method, and pipe network analysis program
Pipe network analysis device, pipe network analysis method, and pipe network analysis program
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机译：管网分析装置，管网分析方法和管网分析程序
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摘要
PROBLEM TO BE SOLVED: To provide a novel method for realizing a pipe network analysis by a mesh flow method in consideration of the pressure dependence of an outflow amount. SOLUTION: An analysis graph in which a conduit branch and a node known to a water head indicating a connection point between the pipeline branch and a distribution reservoir R1 and R2 are arranged at both ends of the pipeline branch, a head of the node, and a node. It is a pipeline analyzer that calculates the amount of nodal or pipeline outflow as a pressure-dependent amount, and connects all the nodes of the analysis graph with a tree and mesh group determination means of a non-looped branch set, and a fixed flow rate and mesh flow rate of the tree branch. The effective head calculation means for each node that performs non-pressure-dependent pipe network analysis processing, the means for connecting the pressure-deficient node to the reference node with a virtual connection branch, and the outflow amount of the pressure-deficient node are updated with the pressure-dependent amount of the distribution pipe network. , For the new analysis graph in which the insufficient pressure node is connected to the reference node by the virtual connection branch, each node effective head calculation means that performs pressure-dependent tube network analysis processing with the new mesh flow rate as a variable, and the effective head is less than the threshold. In the case of insufficient pressure, a new virtual connection branch is provided with a means for connecting to the reference node. [Selection diagram] Fig. 2
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