A New Optimization Approach for the Least-Cost Design of Water Distribution Networks: Improved Crow Search Algorithm

Hossein Fallah (), Ozgur Kisi (), Sungwon Kim () and Mohammad Rezaie-Balf ()
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Hossein Fallah: Graduate University of Advanced Technology-Kerman
Ozgur Kisi: Ilia State University
Sungwon Kim: Dongyang University
Mohammad Rezaie-Balf: Graduate University of Advanced Technology-Kerman

Water Resources Management: An International Journal, Published for the European Water Resources Association (EWRA), 2019, vol. 33, issue 10, No 16, 3595-3613

Abstract: Abstract Due to large number of decision variables and several hydraulic constraints, optimal design of water distribution networks (WDNs) is considered as one of the most complex optimization problems. This paper introduces and applies a new optimization approach, improved crow search algorithm (ICSA), based on the improvement of original crow search algorithm (CSA) by adding an operator parameter. Both approaches (i.e., CSA and ICSA) were applied to two case studies (i.e., Two-Reservoir and Khorramshahr City networks) by linking the hydraulic simulator (e.g., EPANET 2.0). The proposed ICSA saved the total construction cost by 2.16% and 1.79% for the Two-Reservoir and Khorramshahr City networks compared to the original CSA based on optimal network design, respectively. Results revealed that the proposed ICSA provided outstanding design for the both WDNs compared to previous studies and original CSA.

Keywords: Improved crow search algorithm; Meta-heuristic algorithms; Optimization; Water distribution networks (search for similar items in EconPapers)
Date: 2019
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Citations: View citations in EconPapers (2)

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DOI: 10.1007/s11269-019-02322-8

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