This work introduces WUDESIM, an open-source C/C++ toolkit for modeling water quality in the dead-end branches of drinking water distribution networks. WUDESIM is linked to the programmers’ toolkit of EPANET, a widely-used public-domain water network analysis model. In place of the advection-based water quality module in EPANET, WUDESIM allows the users to simulate water quality in the pipes of dead-end branches with dispersion as a constituent transport mechanism. In addition, WUDESIM corrects for the simulation errors that arise from the spatial aggregation of water demands due to network skeletonization, and enables the users to use stochastically-generated water demands at fine time-scales. The software comprises two components: a Windows® executable file and a C/C++ dynamic link library (DLL) toolkit. Examples of how the users can employ the different toolkit functions to run water quality analysis and obtain simulation results are provided. WUDESIM is available as a public-domain software.

这项工作介绍了WUDESIM，这是一种开放源代码C / C ++工具箱，用于对饮用水分配网络的死胡同分支中的水质进行建模。WUDESIM与EPANET的程序员工具包链接，后者是广泛使用的公共领域水网分析模型。代替EPANET中基于对流的水质模块，WUDESIM允许用户使用分散作为组成的传输机制来模拟死角分支管道中的水质。此外，WUDESIM可以纠正由于网络骨架化而导致的用水需求的空间聚集而产生的模拟误差，并使用户能够在精细的时间尺度上使用随机生成的用水需求。该软件包括两个组件：Windows®可执行文件和C / C ++动态链接库（DLL）工具包。提供了用户如何使用不同工具包功能进行水质分析并获得模拟结果的示例。WUDESIM可作为公共领域的软件获得。