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Hydraulic analysis model of water distribution systems can be divided into two types, one is Demand Driven Analysis (DDA) which applies to a normal condition, and the other is Pressure Driven Analysis (PDA) for abnormal condition modeling with pressure deficiency. However, both of hydraulic analysis models, the storage capacity of water source is assumed as infinite, and therefore, the effect by water storage variation of source is not considered. In this study an Advanced-Pressure Driven Analysis (A-PDA) with limited reservoir concept is proposed, and it applies to hydraulic analysis of hypothetical water distribution system for verification of proposed method. The results show that, the A-PDA can effectively consider the water source storage variation over time, and it can calculate more reliable temporal and spatial water supply.

Development and Application of Advanced-Pressure Driven Analysis Model Considering Limited Reservoir