西安工程大学学报Issue(1)：68-72,5.DOI:10.13338/j.issn.1674-649x.2015.01.012
变尺度法进行管网状态模拟的精度分析
Accuracy analysis on state simulation of water supply networks based on DFP algorithm
摘要
Abstract
Based on the improved weighted‐least‐square model of water supply networks ,DFP algorithm is adopted to simulate the network state .And the impacts of network scale ,monito‐ring stations′number and pseudo‐measurements on simulation accuracy are analyzed in detail . The iterations of simulation rise with the increase of the network scale and the accuracy is re‐duced under the same iterations .T he more the pressure monitoring stations are ,the higher of simulation accuracy will be .But the relation between flow monitoring stations and simulation accuracy is not clear enough .Moreover ,the simulation becomes imprecise when the pseudo‐measurements deviate from true values .Meanwhile ,the stop principles of iteration are proposed and the proper numbers of pressure measurement points and flow rate measurement pipes are determined to meet the accuracy requirement .关键词
供水管网/状态模拟/变尺度法/精度分析Key words
water supply network/state simulation/DFP algorithm/accuracy analysis分类
建筑与水利引用本文复制引用
张卉,黄廷林,徐金兰..变尺度法进行管网状态模拟的精度分析[J].西安工程大学学报,2015,(1):68-72,5.基金项目
国家自然科学基金资助项目（51378413，51208416）；陕西省科技厅自然科学计划项目（2012JQ7005）；陕西省教育厅重点实验室科研计划项目（12JS052）；陕西省教育厅专项科研计划项目 （）
