MODELOS DE ANÁLISE HIDRÁULICA DE REDES DE DISTRIBUIÇÃO DE ÁGUA CONSIDERANDO DEMANDA DIRIGIDA PELA PRESSÃO E VAZAMENTOS WATER DISTRIBUTION NETWORKS ANALYSIS CONSIDERING LEAKAGE AND PRESSURE DRIVEN DEMAND MODELING
2008
The hydraulic analysis tools are important in the performance evaluation of water distribution networks. Various methods are available for such analysis. However, the hydraulic models that solve the system of equations describing the flow problem through Newton-Raphson or through its successive linearizations are the most efficient. It is the purpose of this paper to compare Newton-Raphson, Linear Theory, Hybrid and Gradient methods for steady-state hydraulic network analysis, considering leakage and pressure driven demand modeling. The network layout with hydraulic components frequently used in the literature was employed for this analysis. The Gradient method was found to produce best results in terms of number of iterations for the more simple networks, whereas the Hybrid method was better for more complex networks.
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