A review of the methodologies for the resilience assessment in the process industry

A widely accepted definition of resilience is the intrinsic ability of a system to adjust its functioning prior to, during, or following changes and disturbances so that it can sustain required operational safety under both expected and unexpected conditions. These concepts have been applied in the process or manufacturing industry with different attempts in switching from the traditional risk management approach to a resilience one, still finding a lack of clarity in the definitions and in the objectives and, consequently, a lack in the methodologies and tools to support those efforts. The attempts and the need for further research or clarification is discussed in this paper.