Multi-Directional Maximum-Entropy Approach to the Evolutionary Design Optimization of Water Distribution Systems

Salah Saleh and Tiku T. Tanyimboh ()
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Salah Saleh: University of Strathclyde Glasgow
Tiku T. Tanyimboh: University of Strathclyde Glasgow

Water Resources Management: An International Journal, Published for the European Water Resources Association (EWRA), 2016, vol. 30, issue 6, No 2, 1885-1901

Abstract: Abstract A new multi-directional search approach that aims at maximizing the flow entropy of water distribution systems is investigated. The aim is to develop an efficient and practical maximum entropy based approach. The resulting optimization problem has four objectives, and the merits of objective reduction in the computational solution of the problem are investigated also. The relationship between statistical flow entropy and hydraulic reliability/failure tolerance is not monotonic. Consequently, a large number of maximum flow entropy solutions must be investigated to strike a balance between cost and hydraulic reliability. A multi-objective evolutionary optimization model is developed that generates simultaneously a wide range of maximum entropy values along with clusters of maximum and near-maximum entropy solutions. Results for a benchmark network and a real network in the literature are included that demonstrate the effectiveness of the procedure.

Keywords: Maximum flow entropy; Hydraulic reliability and redundancy; Water distribution system; Demand driven analysis; Head driven analysis; Penalty-free constrained evolutionary optimization (search for similar items in EconPapers)
Date: 2016
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Citations: View citations in EconPapers (7)

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DOI: 10.1007/s11269-016-1253-6

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