Journal
PROCESS SAFETY AND ENVIRONMENTAL PROTECTION
Volume 92, Issue 6, Pages 714-722Publisher
INST CHEMICAL ENGINEERS
DOI: 10.1016/j.psep.2013.12.002
Keywords
Domino effect; Frequency estimation; Simulation; Monte Carlo; Risk assessment; Multiple scenarios
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Funding
- Iran National Science Foundation (INSF)
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The uncertainty and the complexity associated with the domino effect is a barrier to assessing the frequency of such accidents analytically. The use of simulation techniques, such as Monte Carlo, to examine the domino effect instead of analytical techniques has shown great promise. In this paper, a new method to assess the frequency of domino accidents is proposed-FREEDOM II-which is an improvement on the recent algorithm proposed by the authors (FREEDOM). The modifications on FREEDOM were carried out to overcome a limitation of the method and to extend its capabilities. A key shortcoming of the earlier method was its inability to handle multiple failure scenarios. This shortcoming has been overcome in FREEDOM II. A new and improved algorithm has been developed that carries out the simulation in a significantly shorter run time. The applicability of the new model is shown by performing a multi-scenario case study. (C) 2013 The Institution of Chemical Engineers. Published by Elsevier B.V. All rights reserved.
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