Journal
JOURNAL OF PIPELINE SCIENCE AND ENGINEERING
Volume 2, Issue 2, Pages -Publisher
KEAI PUBLISHING LTD
DOI: 10.1016/j.jpse.2022.100053
Keywords
Pipeline; Offshore; Bayesian network; Engineering resilience; MIC; Subsea system
Funding
- Genome Canada
- Canada Research Chair (CRC) Tier I Program in Offshore Safety and Risk Engineering
- Natural Sciences and Engineering Research Council of Canada (NSERC)
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The study introduces a probabilistic methodology to assess the resilience of subsea systems under microbiologically influenced corrosion (MIC), using a dynamic Bayesian network approach to model system resilience as a function of time. An industry-based application study on subsea pipelines demonstrates the efficiency and effectiveness of the proposed methodology in resilience assessment, helping decision-makers consider resilience in system design and operation.
Microbiologically influenced corrosion (MIC) is a serious concern and plays a significant role in the marine and subsea industry's infrastructure failure. A probabilistic methodology is introduced in the present study to assess the subsea system's resilience under MIC. Conventionally, the risk-based models are constructed using the system's characteristic features. This helps decision-makers understand how a system operates and how the failed system can be recovered. The subsea system needs to be designed with sufficient resilience to maintain the performance under the time-varying interdependent stochastic conditions. This paper presents the dynamic Bayesian network based approach to model the subsea system's resilience as a function of time. An industry-based application study of the subsea pipeline is studied to demonstrate the efficiency and effectiveness of the proposed methodology for the resilience assessment. The proposed methodology will assist decision-makers in considering the resilience in the system design and operation.
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