图论法研究多水源管网供水分区

Multi-Source Water Supply Network for Subarea Based on Graphic Theory

目的为了从整体上把握供水管网各水源供水区域的范围,对多水源管网进行供水分区,使得各水源的供水区域可视化.方法从供水管网是一种图的观点出发,基于管网水力计算的平差结果,根据图论原理,生成供水管网流向图的邻接矩阵;在邻接矩阵的基础上搜索水源点的供水情况,形成判断出水源的供水分界点矩阵,进而确定了各水源的供水区域;利用Visual Basic和MapInfo联合编程技术将该方法进行程序编制.结果通过调用复杂多水源管网进行算例分析,实现了多水源管网供水分区的可视化显示.可以从管网总体上获得各个供水区域的范围、大小和分区的具体位置.结论对运行管理人员进行管网水量调配和设计人员进行管网改造具有指导作用.有效解决了多水源管网供水分区的问题,而且该方法具有算法简单可靠、程序编制简单、适用范围广、集成化程度高等特点.

The paper attempts to give a general view of the supply area of each water source and makes pipe network subarea partitioned and visualized. Since the water supply network is supposed to be a graph, based on the hydraulic computation of the pipe network and graphic theory, an adjacency matrix is established, on the basis of which, water supply dividing point matrix is formed, which is able to judge source-serving districts. With Visual Basic language and MapInfo, the visualization of multi-sources water supply network for subareas is obtained. The method solves the problem of multi-water source districts dividing effectively. It is simple and reliable with the advantages of simple procedure-program, wide applicable range and high degree of integration.