Group of Safety and Logistics of Maritime Transportation > 5.1 Structural Safety > Publications

Chen, N.-Z. and Guedes Soares, C. (2007), “Reliability Analysis of Ship Hulls in Composite Materials under Sagging Moment”, Journal of Marine Science and Technology, Vol. 12, 263-271

An approach is presented to assess the reliability of ship hulls in composite materials under sagging moments. Buckling, first-ply failure and ultimate collapse are regarded as three failure modes of ship hulls in composite materials under sagging moments. The reliability estimates are achieved by the combination of the first-order second-moment method and the response surface methodology. A ship hull in composite materials under sagging moments is evaluated and the results shows that the effects of the model uncertainty of longitudinal strength of ship hull, the model uncertainty of sagging moments and the sagging moments on reliability estimates are significant while the influences of the stochastic characteristics of material elastic moduli are relatively negligible.

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