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TECHNICAL PAPERS

Probabilistic Failure of a Cracked Submarine Pipeline Subjected to the Underwater Shock

[+] Author and Article Information
K. Y. Lam, Z. Zong

Institute of High Performance Computing, Singapore Science Park I, Singapore 118261

Q. X. Wang

Department of Mechanical and Production Engineering, National University of Singapore, Singapore 119260e-mail: engp9677@nus.edu.sg

J. Offshore Mech. Arct. Eng 123(3), 134-140 (Jun 01, 2000) (7 pages) doi:10.1115/1.1376715 History: Received February 01, 2000; Revised June 01, 2000
Copyright © 2001 by ASME
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References

Zong, Z., Lam, K. Y., and Liu, G. R., 1998, “Numerical Simulations of Scattering of an Underwater Shock Wave by a Half Cylinder Fixed on the Seabed,” Proc., 3rd High Performance Computing Asia, Singapore, 3 , pp. 983–988.
Zong,  Z., Lam,  K. Y., and Liu,  G. R., 1999, “Probabilistic Risk Prediction of Submarine Pipelines Subjected to Underwater Explosion Shock,” ASME J. Offshore Mech. Arct. Eng., 121, pp. 251–254.
Cole, R. H., 1948, Underwater Explosion, Princeton University Press, Princeton, NJ, pp. 228–269.
Newman, J., 1978, Marine Hydrodynamics, The MIT Press, Cambridge, MA, pp. 362–373.
Hellen, K., 1985, Introduction to Fracture Mechanics, McGraw-Hill Book Company, New York, NY.
Gdoutos, E. E., 1990, Fracture Mechanics Criteria and Applications, Kluwer Academic Publisher.
Chen, E. P., 1977, “Elastodynamic Crack Problems,” Mechanics of Fracture, 4 , Sih, C. C., ed., Noordhoff International Publisher, The Netherlands,pp. 1–58.
Baker,  B. R., 1962, “Dynamic Stresses Created by a Moving Crack,” ASME J. Appl. Mech., 29, pp. 449–458.
Ichikawa, M., 1988, Structural Reliability, Kaibundo Publishing House, Japan, pp. 79–92.
Melchers, R. E., 1987, Structural Reliability, Analysis and Prediction, Ellis Horwood Limited, New York, NY, pp. 1–73.
Sundarajan, C. R., ed., 1995, Probabilistic Structural Mechanics Handbook, An International Thomson Publishing Company, New York, NY, pp. 27–52, pp. 650–683.

Figures

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The three modes of cracking: (a) Mode I, (b) Mode II, (c) Mode III
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A submarine pipeline subjected to an underwater shock—(a) the coordinate system, (b) oil pipe section
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(a) A crack in the bending pipeline, (b) an inclined crack in an infinite plate
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The plastic failure probabilities of the pipeline
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The fracture failure probabilities of the pipeline at x=0.0
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The fracture failure probabilities of the pipeline at x=L/2
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The fracture failure probabilities of the pipeline with different direction cracks (μa=1.0 cm)
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The fracture failure probabilities estimated using normal distribution approximation
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Distribution of maximum stress intensity factor (α=90.0 deg)
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Distribution of maximum stress intensity factor (α=45.0 deg)

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