Effects of Various Types of Distribution on Probabilistic Method and FAD

Abstract:

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The reliability estimation of pipeline is performed in accordance with the probabilistic methods such as the FORM (first order reliability method) and the SORM (second order reliability method). A limit state function has been formulated with help of the FAD (failure assessment diagram). Various types of distribution of random variables are assumed to investigate its effect on the failure probability. It is noted that the failure probability increases with the increase of the dent depth, the operating pressure and the outside radius, and the decrease of the wall thickness. Furthermore it is found that the failure probability for the random variables having the Weibull distribution is larger than those of the normal and the lognormal distributions.

Info:

Periodical:

Key Engineering Materials (Volumes 353-358)

Edited by:

Yu Zhou, Shan-Tung Tu and Xishan Xie

Pages:

2561-2564

Citation:

O. S. Lee and D. H. Kim, "Effects of Various Types of Distribution on Probabilistic Method and FAD ", Key Engineering Materials, Vols. 353-358, pp. 2561-2564, 2007

Online since:

September 2007

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$38.00

[1] S. Cravero and C. Ruggieri: Int. J. of Pre. Vessel. Pip. Vol. 83(2006) pp.607-617.

[2] Lee and D.H. Kim : J. of Mech. Sci. and Tech. Vol. 19, No. 6 (2005) pp.1280-1289.

[3] Lee and D.H. Kim : J. Korean Soc Safety Vol. 20, No. 4(2005) pp.20-28.

[4] S. Mahadevan, and A. Haldar: Probability, Reliability and Statistical Method in Engineering Design (John Wiley & Sons, 2000).

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