We consider the problem of optimizing daily production and distribution of drinking water in a large network. As already shown in a previous research work [ ] the model is nonlinear due to pressure loss restrictions. This paper discusses an approach that integrates the previously developed piecewise linearization method with Newton's method to determine close to optimal feasible solutions. We first review the mixed integer program for the problem, then we describe the proposed algorithm for its solution and show its results on some real-world water networks.
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