Aimed at the problems of ＂the demand for urban water supply security increasing, a scale of water supply system expanding and complicating, the technologies of simulation modeling and software development for urban water supply network is discussed in this article. First of all, through studying the parameter testing technique, the load and change law of water consumption, the pressure distribution law, and the actual conveyance capacity of main pipes of the whole water supply network are accurately mastered. Correspondingly, the simulation database is built. On this basis of aiming at scientific operation and water quality protection, taking opening territorial water supply network of a city for example, the microscopic hydraulic model of water supply network of this area is built. Meanwhile, the simulation analysis platform is developed with the application of on-line monitoring technology. The platform with good expansibility and utility has been applied to water supply network of an urban city.%针对人们对城市供水安全性要求日益提高、供水系统的规模不断扩大、复杂性随之提高等问题，对城市供水管网仿真建模与软件开发技术进行了系统研究．首先，对供水管网参数测试分析技术进行研究，较为准确地掌握了整个供水管网的用水量负荷、用户用水模式及变化规律、压力分布规律及主要供水管段的实际过流能力等状况，建立供水管网仿真模拟数据库．在此基础上，以供水管网科学合理运行、保障供水水质等为目标，结合供水管网在线监测技术，以某城市开放式区域供水管网为例，建立了该区域供水管网微观水力模型，并开发了城市供水管网仿真模拟分析平台．该平台具有良好的扩展性及实用性，目前正在某城市进行应用．
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