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Publications
Bhardwaj, U., Teixeira, A.P. and Guedes Soares, C. (2024), Probabilistic analysis of basic causes of vessel-platform allision accidents, Journal of Marine Science and Engineering, Vol. 12, 390.
This paper proposes a methodology to estimate the probability of basic causes of allision accidents between vessels and offshore platforms that overcomes the problem of data scarcity required for causal analysis. The approach uses information derived from incidental data and expert elicitation, processed by a multiple attribute utility method and Hierarchical Bayesian analysis. First, the methodology is detailed with a brief description of the adopted approaches. A data set of allision incidents provided mainly by the UK Health and Safety Executive and other agencies is prepared. The features of the incidents’ causation in terms of causal factors and basic causes are presented and discussed. A novel scheme is proposed to evaluate the annual occurrence rates of basic causes of accidents from the relative importance of each basic cause derived by the Deck of Cards Method. Then, a Hierarchical Bayesian analysis is conducted to predict the posterior distribution of the occurrence rates of each basic cause in the time frame under analysis. The proposed holistic methodology provides transparent estimates of allision causation probabilities from limited and heterogeneous data sets.
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