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城市排水网络的功能和结构弹性评估:基于物理指导的图形替代模型
Mohammad Rajabi1, Mohsen Hajibabaei1, Aun Dastgir1
1Unit of Environmental Engineering, Department of Infrastructure Engineering, University of Innsbruck, Innsbruck, Austria.
Water research
|October 22, 2025
概括
本研究提出了一种基于图形的快速模型,用于评估城市排水网络的弹性. 它准确地预测了故障期间的网络性能,超过了传统的水力动力学模型.
科学领域:
- 环境工程 环境工程
- 液压工程 液压工程是指水力工程.
- 网络科学 网络科学
背景情况:
- 城市排水网络 (UDNs) 的有效管理需要在故障场景下进行快速的弹性评估.
- 传统的水力动力学模型,如风暴水管理模型 (SWMM),是计算密集型的,限制了实时应用.
- 开发高效的替代模型对于UDN设计,改装和管理至关重要.
研究的目的:
- 引入一种新的以物理为导向的基于图形的方法,以快速准确地评估UDN的弹性.
- 为UDN弹性评估提供传统水力动力学模型的计算效率高的替代方案.
- 用现实世界的案例研究来验证拟议的模型与既定方法的一致性.
主要方法:
- 开发了一个以物理为导向的替代模型,使用图形理论进行UDN弹性评估.
- 使用最大分捕获流作为输入,采用从SWMM输出的非线性方法.
- 纳入加权最短路径方法和液压信息图表指标,用于流量路由和故障分析.
主要成果:
- 与SWMM相比,基于图形的模型显著加快了弹性评估.
- 该方法有效地评估了UDN在结构 (例如,管道故障) 和功能 (例如,强降雨) 场景下的弹性.
- 与两个现实世界案例研究的验证显示了与基于SWMM的弹性计算的高度一致性.
结论:
- 这种基于图形的新方法为UDN弹性评估提供了计算效率高,准确的方法.
- 这种以物理为导向的模型为实时UDN管理和设计提供了传统水力动力学模型的可行替代方案.
- 该方法表明,有很大的潜力提高城市水利基础设施的稳定性和可靠性.
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