Séminaires > Pipe corrosion integrity management : High fidelity modelling to Bayesian belief Network
Date : 22 Mai 2025, 11h
Lieu : Salle Barthélémy
Résumé :
The oil & gas industry is vital to the economy and prosperity of a country. Reliability of the pipelines, however, can be compromised due to aging and deterioration, coupled with exposure to natural (e.g., earthquake, geotechnical failure, climate change) and human induced (e.g., accidental hits, vandalism) hazards. The failure incidents reported in British Columbia are : metal loss (corrosion, erosion), cracking (pipe fittings/joint failure), external interference (accidental, vandalism), material manufacturing/construction, geotechnical failure (slope movement, weather) and other causes (operational). Recent incidence of stress corrosion cracking has shown vulnerability of the existing pipelines. Quantifying corrosion progress and failure risk assessment is subject to significant uncertainties.
In this presentation recent progress made at the University of Waterloo, in managing aging pipeline is highlighted. Examples will be given where the stress corrosion cracking is modelled with high fidelity finite element model that is validated with experimental test. In addition, pipe integrity management, using Bayesian belief network (BBN) is highlighted. The BBN is suitable for this problem as existing data, data from numerical simulations and expert knowledge can be integrated.
Bio :
Dr. Solomon Tesfamariam is a professor and University Research Chair at the University of Waterloo. Prior to Waterloo, he was a professor and Principal’s Research Chair in the Resilient and Sustainable Built Environment at the UBC Okanagan Campus. Over his 15 years’ tenure at UBC, he has been a leader in the research and pedagogy of resilient and sustainable infrastructure management. The project undertaken entails different municipalities and oil & gas companies. His tall timber research entails consideration of multi-hazard (earthquake, wind, fire) interactions. His hybrid building design research has been supported by various government and industrial partners. Outcomes of his research are published through industrial reports and various peer-reviewed journals, and have been presented at international conferences.