Journal
HYDROLOGICAL PROCESSES
Volume 22, Issue 17, Pages 3337-3348Publisher
WILEY
DOI: 10.1002/hyp.6916
Keywords
groundwater management; numerical modelling; environmental design; artificial neural networks; differential evolution algorithm
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Funding
- Research and Technology
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Classical optimization methodologies based oil mathematical theories have been developed for the solution of: various constrained environmental design problems. Numerical models have been widely used to represent an environmental system accurately. The use of methodologies Such LIS artificial neural networks (ANNs), which approximate the complicated behaviour and response of physical systems, allows the optimization of a large number of case scenarios with different set of constraints within a short period of time. whereas the corresponding simulation time using a numerical model Would be prohibitive. In this paper, a combination of an ANN with a differential evolution algorithm is proposed to replace the classical finite-element numerical model in water resources management problems. The objective of the optimization problem is to determine the optimal operational strategy tor the productive pumping wells located in the northern part of Rhodes Island in Greece, to cover the water demand and maintain the water table at certain levels. The conclusions of: this Study show that the use of ANN as an approximation model Could (a) significantly reduce the computational burden associated with the accurate Simulation of complex physical systems and (b) provide solutions very close to the optimal ones for various constrained environmental design problems. Copyright (C) 2008 John Wiley & Sons. Ltd.
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