Multi Objective Design of Water Distribution System Using Todini’ s Resilience Index and Improving the Strength Pareto Evolutionary Algorithm

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Mazaherizadeh Younes; FARIDHOSSEINI ALIREZA; DAVARI KAMRAN

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Journal: WATER AND WASTEWATER Year:2019 | Volume:30 | Issue:6 (124) Page(s): 18-34

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Title

Multi Objective Design of Water Distribution System Using Todini’ s Resilience Index and Improving the Strength Pareto Evolutionary Algorithm

Author(s)

Mazaherizadeh Younes | FARIDHOSSEINI ALIREZA | DAVARI KAMRAN | Issue Writer Certificate

Keywords

Reliability of the NetworkQ1

Pareto frontQ1

Water Distribution SystemsQ2

Multi-Objective OptimizationQ2

Abstract

Water distribution network one of the most important and most sensitive urban infrastructures which can be recently with regard to population growth and consumers '' needs to increase with challenges such as reducing the pressure and discharge that are all due to unsuitable design and based on economic goals. In order to overcome these problems when designing an urban water distribution system should always be considered Reliability of the Network. In this research, to optimize the water distribution networks, two main objectives of cost minimization and maximization of network reliability were considered. To calculate network reliability, the Tondini''s Resilience Index and its hydraulic simulation EPANET 2. 0 model were used. Then using the second edition of the evolutionary algorithm based on the strength of the Pareto (SPEA2) and creating a dynamic connection with the EPANET 2. 0 hydraulic model in the MATLAB software environment, optimizing the multi-objective of the four water distribution networks including Two-Loop, Kadu, Hanoi networks and D zone of Mashhad. Simultaneous optimization of two main objectives including cost minimization and maximization of the Tondini''s Resilience Index led to the production of optimal solutions in the form of the Pareto front. An optimal solution, called Point C, was introduced using Young''s bargaining method from the final Pareto front of in each of the networks. Selected C solution in two-loop, Hanoi and Kadu networks increased 22. 91, 17. 13 and 7. 41 precent, of the network average pressure compared to its lowest cost in this study (point A). Also, the selected C solution in D-zone network of Mashhad, with an increase of 4. 23 precent of the network average pressure compared to the initial design of the consulting company (point D), illustrate that the solution designed by the consulting company would be a dominated solution under the final Pareto front of this study. In this research, the Tondini''s Resilience Index illustrate that, based on increasing nodal pressure, it has the ability to increase the Reliability of the Network, which This causes the network to be in critical condition or failure of the pipes, with high reliability, providing adequate pressure and discharge in other nodes. Also, the satisfactory performance of the SPEA2 multi-objective algorithm in providing the optimal Pareto front for the issues indicated showed that the design pattern developed in this study could be to provide an optimal set of solutions to the employer to select the points in which each two factors of cost and reliability are combined in a favorable situation.

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APA: Copy

Mazaherizadeh, Younes, FARIDHOSSEINI, ALIREZA, & DAVARI, KAMRAN. (2019). Multi Objective Design of Water Distribution System Using Todini’ s Resilience Index and Improving the Strength Pareto Evolutionary Algorithm. WATER AND WASTEWATER, 30(6 (124) ), 18-34. SID. https://sid.ir/paper/103602/en

Vancouver: Copy

Mazaherizadeh Younes, FARIDHOSSEINI ALIREZA, DAVARI KAMRAN. Multi Objective Design of Water Distribution System Using Todini’ s Resilience Index and Improving the Strength Pareto Evolutionary Algorithm. WATER AND WASTEWATER[Internet]. 2019;30(6 (124) ):18-34. Available from: https://sid.ir/paper/103602/en

IEEE: Copy

Younes Mazaherizadeh, ALIREZA FARIDHOSSEINI, and KAMRAN DAVARI, “Multi Objective Design of Water Distribution System Using Todini’ s Resilience Index and Improving the Strength Pareto Evolutionary Algorithm,” WATER AND WASTEWATER, vol. 30, no. 6 (124) , pp. 18–34, 2019, [Online]. Available: https://sid.ir/paper/103602/en

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