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Received: 2006-03-08

Revision Accepted: 2006-07-12

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Journal of Zhejiang University SCIENCE A 2006 Vol.7 No.11 P.1839-1845

http://doi.org/10.1631/jzus.2006.A1839


Fatigue reliability analysis of fixed offshore structures: A first passage problem approach


Author(s):  MADHAVAN Pillai T.M., VEENA G.

Affiliation(s):  Department of Civil Engineering, National Institute of Technology, Calicut 673601, India

Corresponding email(s):   mpillai@nitc.ac.in

Key Words:  Reliability, Fatigue, Fracture mechanics, Offshore structures


MADHAVAN Pillai T.M., VEENA G.. Fatigue reliability analysis of fixed offshore structures: A first passage problem approach[J]. Journal of Zhejiang University Science A, 2006, 7(11): 1839-1845.

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journal="Journal of Zhejiang University Science A",
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pages="1839-1845",
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%I Zhejiang University Press & Springer
%DOI 10.1631/jzus.2006.A1839

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T1 - Fatigue reliability analysis of fixed offshore structures: A first passage problem approach
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A1 - VEENA G.
J0 - Journal of Zhejiang University Science A
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PB - Zhejiang University Press & Springer
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DOI - 10.1631/jzus.2006.A1839


Abstract: 
This paper describes a methodology for computation of reliability of members of fixed offshore platform structures, with respect to fatigue. Failure criteria were formulated using fracture mechanics principle. The problem is coined as a “first passage problem”. The method was illustrated through application to a typical plane frame structure. The fatigue reliability degradation curve established can be used for planning in-service inspection of offshore platforms. A very limited parametric study was carried out to obtain insight into the effect of important variables on the fatigue reliability.

Darkslateblue:Affiliate; Royal Blue:Author; Turquoise:Article

Reference

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[6] Madhavan Pillai, T.M., Meher Prasad, A., 2000. Fatigue reliability analysis in time domain for inspection strategy of fixed offshore structures. Journal of Ocean Engineering, 27(2):167-186.

[7] Madsen, H.O., Krenk, S., Lind, N.C., 1986. Methods of Structural Safety. Prentice Hall, Englewood, Cliffs, NJ.

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[9] Rajasankar, J., Iyer, N.R., Appa Rao, T.V.S.R., 2003. Structural integrity assessment of offshore tubular joints based on reliability analysis. International Journal of Fatigue, 25(7):609-619.

[10] Sarpkaya, T., Isaacson, M., 1981. Mechanics of Wave Forces on Offshore Structures. Van Nostrand Reinhold Co., New York.

[11] Vughts, J.H., Kinra, R.K., 1976. Probabilistic Fatigue Analysis of Fixed Offshore Structures. Proceedings of Offshore Technology Conference, OTC 2608, p.889-906.

[12] Wheeler, J.D., 1969. Methods of Calculating Forces Produced by Irregular Waves. Proceedings of Offshore Technology Conference, OTC 1006, p.72-82.

[13] Wirsching, P.H., Light, M.C., 1980. Fatigue under Wideband Random Stresses. Journal of Structural Engineering, ASCE, 106(7):1593-1607.

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