The aim of this paper is to show that energy surplus indices, such as resilience index, besides providing a very good indirect measure of water distribution network reliability, also represent a valuable and effective indicator of network robustness under alternative network scenarios. It can thus be profitably used for network design under conditions of uncertain future demands. The methodology adopted consisted of: (a) multi-objective design optimization performed in order to minimize construction costs while maximizing the resilience index; and (b) retrospective performance assessment of the alternative solutions of the Pareto front obtained, under demand conditions far from those assumed during the design phase. Two case studies of different topological complexity were considered. Results showed that the resilience index, which is one of the most effective indirect indices of reliability, represents a very good measure of robustness as well.
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Research Article|
June 29 2015
Water distribution network robust design based on energy surplus index maximization Available to Purchase
E. Creaco;
E. Creaco
1Dipartimento di Ingegneria, Università degli Studi di Ferrara, Via Saragat, 1, 44122 Ferrara, Italy
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A. Fortunato;
2Dipartimento di Ingegneria Civile, Ambientale, Aerospaziale, dei Materiali, Università degli Studi di Palermo, Viale delle Scienze, Ed. 8, 90128 Palermo, Italy
E-mail: [email protected]
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M. Franchini;
M. Franchini
1Dipartimento di Ingegneria, Università degli Studi di Ferrara, Via Saragat, 1, 44122 Ferrara, Italy
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M. R. Mazzola
M. R. Mazzola
2Dipartimento di Ingegneria Civile, Ambientale, Aerospaziale, dei Materiali, Università degli Studi di Palermo, Viale delle Scienze, Ed. 8, 90128 Palermo, Italy
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Water Supply (2015) 15 (6): 1253–1258.
Article history
Received:
January 25 2015
Accepted:
June 15 2015
Citation
E. Creaco, A. Fortunato, M. Franchini, M. R. Mazzola; Water distribution network robust design based on energy surplus index maximization. Water Supply 1 December 2015; 15 (6): 1253–1258. doi: https://doi.org/10.2166/ws.2015.091
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