Please use this identifier to cite or link to this item: https://doi.org/10.1115/1.1376715
Title: Probabilistic failure of a cracked submarine pipeline subjected to the underwater shock
Authors: Lam, K.Y. 
Zong, Z.
Wang, Q.X. 
Keywords: Crack
Fracture failure
Probabilistic risk analysis
Submarine pipeline
Underwater explosion shock
Issue Date: Aug-2001
Source: Lam, K.Y., Zong, Z., Wang, Q.X. (2001-08). Probabilistic failure of a cracked submarine pipeline subjected to the underwater shock. Journal of Offshore Mechanics and Arctic Engineering 123 (3) : 134-140. ScholarBank@NUS Repository. https://doi.org/10.1115/1.1376715
Abstract: The failure of a cracked submarine pipeline subjected to the underwater explosion shock is probabilistically analyzed in this paper. A simple procedure is presented, in which the Monte Carlo method is used to estimate the bending stress distribution, and an analytical method is used to estimate the fracture failure probability. The results obtained from the present method are compared with those obtained from direct Monte Carlo simulations. Both are in good agreement. From the studies in this paper, it is concluded that the most dangerous case is that the crack is perpendicular to the tension stress. The influence of crack model uncertainty is significant. FOSM method is also used, which greatly under-estimates the failure probabilities for the problem studied in this paper.
Source Title: Journal of Offshore Mechanics and Arctic Engineering
URI: http://scholarbank.nus.edu.sg/handle/10635/58639
ISSN: 08927219
DOI: 10.1115/1.1376715
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