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Publications
Saad-Eldeen, S., Garbatov, Y. and Guedes Soares, C. (2016), “Ultimate bending moment capacity of a single hull structure with large openings in side shell”, Maritime Technology and Engineering 3, Guedes Soares, C. & Santos T. A., (Eds.), Taylor & Francis Group, London, UK, pp. 531-538
An assessment is made of the influence openings with different sizes and locations that may be introduced along the ship hull side of cruise passenger, ferry or navy ships as a result of different functional reasons. The existence of large openings reduces the ultimate bending moment capacity of the entire ship hull and raises local stresses that may also lead to fatigue damage. The ultimate capacity of a single hull with multiple large openings is studied numerically, through a series of nonlinear finite element analyses. The effect of the variation of the opening sizes and locations along the side shell is studied. The influence of the asymmetric reduction of the global stiffness, leading to an asymmetrical flexural response to the global hull structural behaviour, is explored and the resultant bending moment-curvature relationships are discussed. Factors accounting for the decreasing of the ultimate bending capacity as well as the global curvature of the structure, which result from increasing the opening size at different locations, are also presented.
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