Journal
MARINE STRUCTURES
Volume 34, Issue -, Pages 105-116Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.marstruc.2013.08.001
Keywords
Risk-based inspection; Data envelopment analysis; Structural integrity
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Funding
- Brazilian National Research and Development Council (CNPq)
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Risk-based inspection is nowadays the predominant approach to structural integrity assurance in complex engineering systems, such as those designed for and operated in deepwater environments. One of the major tasks in risk-based planning is risk ranking of the components comprising an engineering system. In this paper, a mathematical model based on data envelopment analysis is developed for this purpose, whereby two types of weights are employed: subjective judgmental weights which are provided as input, and objective which constitute the output of the model. The use of the mathematical model is illustrated in a real world system of subsea flexible pipes, which operational in the south Atlantic Shelf off the Southeast Coast of Brazil. (C) 2013 Elsevier Ltd. All rights reserved.
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