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

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  • Clavijo Mesa, Maria Valentina
  • Di Maio, Francesco
  • Zio, Enrico

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.

Suggested Citation

  • Clavijo Mesa, Maria Valentina & Di Maio, Francesco & Zio, Enrico, 2025. "Dynamic inoperability input-output modeling of a system of systems made of multi-state interdependent critical infrastructures," Reliability Engineering and System Safety, Elsevier, vol. 264(PA).
    • Handle: RePEc:eee:reensy:v:264:y:2025:i:pa:s0951832025005046
    DOI: 10.1016/j.ress.2025.111303
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