Fatigue Life Reliability Analysis of Submarine Cone-Cylinder Shell

Zhi Yong Zhang; Tian Shu Song; Yang He

doi:10.4028/www.scientific.net/AMR.479-481.2001

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 479-481Fatigue Life Reliability Analysis of Submarine...

Fatigue Life Reliability Analysis of Submarine Cone-Cylinder Shell

Abstract:

A new method is presented in the paper. The fatigue life reliability of submarine cone-cylinder shell is investigated, based on the combination between the methods of conventional Monte Carlo and classical probabilistic fracture mechanics. Firstly, Monte Carlo method is employed to obtain the reliability of given initial fatigue life. Secondly, the two induced factors M1 and M2 in the paper are estimated according to the initial fatigue life and the reliability. Thirdly, based on the two factors, the other fatigue life reliability is obtained by using classical probabilistic fracture mechanics method. Finally, numerical cases show that the proposed method is more efficient without accuracy loss for fatigue life reliability compared with Monte Carlo method. This method can also be applied to predict the fatigue life reliability of analogue structures.

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Periodical:

Advanced Materials Research (Volumes 479-481)

Pages:

2001-2004

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.479-481.2001

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Online since:

February 2012

Authors:

Zhi Yong Zhang, Tian Shu Song, Yang He

Keywords:

Combination Method, Cone-Cylinder Shell, Fatigue Life Reliability, Monte-Carlo Method (MC-Method), Probabilistic Fracture Mechanics

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References

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