Quantitative Assessment of System Response during Disruptions

An Application to Water Distribution Systems

Journal article (2021)

Authors

Beatrice Cassottana Singapore-ETH Centre
N.Y. Aydin System Engineering - TPM
Loon Ching Tang National University of Singapore
Research Group
System Engineering (TPM) (TU Delft)
Copyright: © 2021 Beatrice Cassottana, N.Y. Aydin, Loon Ching Tang
DOI: https://doi.org/10.1061/(ASCE)WR.1943-5452.0001334
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Published Date

2021

Language

English

Reuse Rights

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Faculty

Technology, Policy and Management

Department

Multi Actor Systems

Research Group

System Engineering

Abstract

The resilience of water distribution systems (WDSs) has gained increasing attention in recent years. Various performance loss and recovery behaviors have been observed for WDSs subject to disruptions. However, a model for their characterization, which could provide further insight for resilience assessment and enhancement, is still lacking. Here, the authors develop a recovery function to model WDS performance over time following a disruption. This function is useful to compare system responses under different disruption and recovery scenarios and supports the identification of areas for improvement within various aspects of the resilience of a WDS. The proposed model was applied to two benchmark networks. Different scenarios were analyzed in which one node at a time was disrupted and two recovery strategies were implemented. It was found that the developed model supports the implementation of tailored strategies to improve WDS resilience according to the location of the disruption, therefore enhancing the efficient allocation of resources.