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Network Theory for Infrastructure Systems Modelling

Lookup NU author(s): Dr Sarah Dunn, Dr Gaihua Fu, Professor Sean Wilkinson, Professor Richard DawsonORCiD

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Abstract

Currently, there is a great deal of interest in assessing the resilience of infrastructure systems. Much of this interest stems from the realisation that these systems are not only critical to civil defence but also, given the correct set of circumstances, can fail catastrophically. Three case studies are presented that show how network theory, which has been successfully applied to other fields, can also be used to help understand potential vulnerabilities in infrastructure systems. Through these case studies it is shown that traditional network theory can be extended to analyse infrastructures that are large, spatially distributed systems, or that carry flows of resources or are interconnected with other infrastructure systems. These methods demonstrate how this approach can help infrastructure designers, owners and operators to make rapid assessments of vulnerabilities in their systems and to identify components that are more important to the functioning of the these networks. Furthermore, this approach provides a basis for identifying and prioritising appropriate measures to improve the reliability of infrastructure at the systems scale.

Publication metadata

Author(s): Dunn S, Fu G, Wilkinson S, Dawson R

Publication type: Article

Publication status: Published

Journal: Proceedings of the ICE - Engineering Sustainability

Year: 2013

Volume: 166

Issue: 5

Pages: 281-292

Print publication date: 01/10/2013

Date deposited: 25/06/2014

ISSN (print): 1478-4629

ISSN (electronic): 1751-7680

Publisher: ICE Publishing

URL: http://dx.doi.org/10.1680/ensu.12.00039

DOI: 10.1680/ensu.12.00039

Notes: Journal home page: http://www.icevirtuallibrary.com/content/serial/ensu

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