water supply network modeling Articles
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Application of genetic programming to modeling pipe failures in water distribution systems
The water loss from a water distribution system is a serious problem for many cities, which incurs enormous economic and social loss. However, the economic and human resource costs to exactly locate the leakage are extraordinarily high. Thus, reliable and robust pipe failure models are demanded to assess a pipe's propensity to fail. Beijing City was selected as the case study area and the pipe ...
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Comparison of solution methods for analyzing water distribution networks under pressure-deficient conditions
Demand-driven analysis method is used in most current existing models for hydraulic evaluation of water supply networks. This method is based on the assumption of constant use, regardless of the available pressure in nodes. Demand-driven analysis method does not have sufficient efficiency in hydraulic analysis of networks under pressure-deficient conditions. In this study, the combination of ...
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Water Network Boundaries and Data Mining
In the book ‘Thinking in Systems’, Donella Meadows describes the importance of defining a system’s boundary in order to answer key questions. In centralised water systems, defining boundaries can be achieved using the location of flow meters. In broad terms data locations are referred to as: Source –the dam, river or treatment plant Network –pump stations, pipes ...
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Integrated hydraulic modelling of water supply and urban drainage networks for assessment of decentralized options
The impact of climate change, water scarcity, land use change, population growth and also population shrinking can only be predicted with uncertainties. Especially for assets with a long planning horizon this is a critical part for planning and design. One solution is to make centralized organized water infrastructure with a long-planning horizon resilient and adaptive. For existing centralized ...
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A GIS-based water distribution model for Zhengzhou city, China
Many water companies in China are developing GIS as a computer-based tool, for mapping and analyzing objects and events that happen on a water distribution network. However, only a few companies have taken a further step to develop a hydraulic model based on GIS, and Zhengzhou Water Supply Corporation is one of them. The WaterGEMS V8 XM from Bentley is used to develop the hydraulic model for the ...
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