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Related Experiment Video

Updated: Jun 26, 2025

Parameterizing V-notch Weir Equations for Flow Monitoring in a Drainage Control Structure
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Enhancing reclaimed water distribution network resilience with cost-effective meshing.

David Martínez1, Sergi Bergillos1, Lluís Corominas2

  • 1Institute of Informatics and Applications, University of Girona, 17003 Girona, Spain.

The Science of the Total Environment
|May 13, 2024
PubMed
Summary

This study introduces new algorithms for designing resilient water distribution networks (WDNs), significantly reducing service disruptions and water loss. The resilient-by-design approach proves cost-effective and enhances water security.

Keywords:
CostsGraph theoryHydraulic feasibilityPlanningResilienceWater Availability

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Area of Science:

  • Civil Engineering
  • Environmental Engineering
  • Water Resource Management

Background:

  • Water distribution networks (WDNs) are vital infrastructure for safe water supply.
  • Increasing water scarcity and crises necessitate resilient network designs.
  • Existing resilience evaluation methods have discrepancies.

Purpose of the Study:

  • To evaluate WDN design resilience using graph theory and hydraulic analysis.
  • To introduce novel algorithms (Resilience by Design - RbD, Resilience-strengthening - RS) for cost-effective, resilient WDNs.
  • To present a new metric, Water Availability (WA), for comprehensive resilience assessment.

Main Methods:

  • Utilized graph theory for network design evaluation.
  • Employed EPANET software for hydraulic feasibility analysis.
  • Developed and applied RbD and RS algorithms for network optimization.
  • Introduced and used the Water Availability (WA) metric.

Main Results:

  • Resilient-by-design WDNs showed up to 36% fewer service disruptions and 65% less unserved water.
  • The resilient design safeguarded 91,700m³ of water over 50 years.
  • The resilient-by-design approach demonstrated cost-effectiveness, even offering financial benefits compared to traditional WDNs.

Conclusions:

  • A resilience-focused network design approach offers significant advantages.
  • The developed algorithms are adaptable for both reclaimed and drinking water WDNs.
  • This research enhances water resource management and infrastructure planning for urban environments.