An explicit algorithm for calculating operating parameters for water networks

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Abstract
An explicit methodology has been developed for use in comprehensive modelling of water distribution networks. The resulting algorithm is able to calculate directly the distribution system operating variables required to exactly meet specified operating conditions. Operating variables include pump speed, control valve settings, pressure regulating valve settings, and settings for flow limiting (pressure sustaining) devices. Specified operating conditions represent stated minimum pressure and volumetric flow requirements at designated locations throughout the distribution system. The proposed algorithm is shown to be robust and efficient, and guaranteed to converge in an expeditious manner. The wide range of capabilities and flexibility of the proposed approach are demonstrated using an example network. Enhancement of real-time modelling is a principal benefit of the methodology.

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