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Title: Robust Design of a Real-Life Water Distribution Network under Different Demand Scenarios
Authors: Vertommen, Ina 
van Laarhoven, Karel
Cunha, Maria da Conceição 
Keywords: water distribution networks; design; optimization; robustness; uncertainty; water demand
Issue Date: 2021
Project: Joint Research Programme (BTO) for the drinking water companies, project numbers 402045/008 and 402045/089 
Serial title, monograph or event: Water (Switzerland)
Volume: 13
Issue: 6
Abstract: In this paper a scenario-based robust optimization approach is proposed to take demand uncertainty into account in the design of water distribution networks. This results in insight in the trade-off between costs and performance of different designs. Within the proposed approach the designer is able to choose the desired degree of risk aversion, and the performance of the design can be assessed based on the water demand effectively supplied under different scenarios. Both future water demand scenarios and scenarios based on historical records are considered. The approach is applied to the design of a real-life water distribution network supplying part of a city in the Netherlands. From the results the relation between costs and performance for different scenarios becomes evident: a more robust design requires higher design costs. Moreover, it is proven that numerical optimization helps finding better design solutions when compared to manual approaches. The developed approach allows water utilities to make informed choices about how much to invest in their infrastructure and how to design it in order to achieve a certain level of robustness.
ISSN: 2073-4441
DOI: 10.3390/w13060753
Rights: openAccess
Appears in Collections:I&D INESCC - Artigos em Revistas Internacionais

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