Dynamic inoperability input-output modeling of a system of systems made of multi-state interdependent critical infrastructures

Maria Valentina Clavijo Mesa, Francesco Di Maio and Enrico Zio

Reliability Engineering and System Safety, 2025, vol. 264, issue PA

Abstract: Critical Infrastructures (CIs) are fundamental for the operation of societies. They function interdependently in a system-of-systems configuration. Interdependencies are unveiled also when CIs become inoperable or only partially operable due to disruptions. The state of partial or full inoperability of a disrupted CI can cascade to the interdependent CIs connected to it in the system of systems, causing various degrees of inoperability. This paper presents a novel approach for modeling the disruption cascade dynamics in multi-state interdependent CIs. A Dynamic Inoperability Input-output Model (DIIM) is proposed to describe the multi-state transition dynamics of the CIs. A case study is worked out to show the application of the proposed approach to a system of systems formed by interdependent power and water networks.

Keywords: Critical infrastructures; System of systems; Interdependencies; Multiple states; Dynamic inoperability input-output model (DIIM); Network theory; Simulation; Power grid; Water network (search for similar items in EconPapers)
Date: 2025
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Persistent link: https://EconPapers.repec.org/RePEc:eee:reensy:v:264:y:2025:i:pa:s0951832025005046

DOI: 10.1016/j.ress.2025.111303

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