Author(s): Iraklis Nikoletos; Konstantinos L. Katsifarakis
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Abstract: This paper focuses on pumping cost minimization under steady-state conditions in wedge-shaped confined aquifers. The method of images has been used to obtain analytical expressions for the hydraulic head level drawdown functions and, by extension, for the pumping cost function. As application examples, we consider a system of five wells pumping simultaneously in the following cases: semi-infinite confined aquifers bounded by two constant head boundaries, intersecting at angles of a) 90o, b) 60o and c) 30o. Genetic algorithms have been used to determine the optimal distribution of the total required flow rate to the wells. The results indicate that in each case the pumping cost is minimized when the drawdown at the location of the wells are equal to each other.
Year: 2022