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Lookup NU author(s): Dr Do Kyun KimORCiD
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The objective of this paper is to develop a modified Paik-Mansour formula for the ultimate strength calculations of ship hulls subject to vertical bending moments. The method is based on a credible bending stress distribution over the hull cross-section presumed at the ultimate limit state. The accuracy of this method is demonstrated through comparison with computations obtained using more refined methods, such as non-linear finite-element method, intelligent super-size finite-element method, and idealised structural unit method. Statistical analysis of the hull girder ultimate strength based on comparisons among the various computations is carried out in terms of their mean values and coefficients of variation. The original Paik-Mansour method is found to be inapplicable to the case of a pure vertical bending moment depending on the ship's hull type and/or vertical bending direction, but the modified Paik-Mansour method is more general and is able to resolve this issue.
Author(s): Paik JK, Kim DK, Park DH, Kim HB, Mansour AE, Caldwell JB
Publication type: Article
Publication status: Published
Journal: Ships and Offshore Structures
Year: 2013
Volume: 8
Issue: 3-4
Pages: 245-260
Print publication date: 01/01/2013
Online publication date: 19/04/2012
ISSN (print): 1744-5302
ISSN (electronic): 1754-212X
Publisher: Taylor and Francis
URL: https://doi.org/10.1080/17445302.2012.676247
DOI: 10.1080/17445302.2012.676247
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