[2006] Ultimate Limit State Assessment of Ships and Ship-shaped Offshore Structures > Selected Papers

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Selected Papers

[2006] Ultimate Limit State Assessment of Ships and Ship-shaped Offsho…

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Author Admin 작성일06-11-04 10:45 Hit61,660 Count Comments0 Count

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5th International Conference
on High Performance Marine Vehicles,
Australia, 8-10 November 2006



Ultimate Limit State Assessment of Ships and Ship-shaped Offshore Structures


Author(s): Jeom Kee Paik, Bong Ju Kim, Jung Kwan Seo and Jae Hyung Park, Sung Yong Han, Yong Suk Suh and Beom Seon Jang


Abstract:
It is now well recognized that the ultimate limit state approach is a much better basis for design and strength assessment of ships and offshore structures because it is difficult to determine the true margin of safety using the conventional allowable working stress approach that is based on linear elastic method solutions alone. This paper outlines ALPS theory for ultimate limit state ssessment of ships and ship-shaped offshore structures. ALPS is a computer software which stands for nonlinear Analysis of Large Plated Structures. Application examples of ALPS programs to ultimate limit state assessment of plates, stiffened panels and hull girders are presented. A benchmark study is made by a comparison with the ALPS solutions with other methods including class rule formulae, nonlinear finite element methods and experimental results. It is convinced that the recent technologies are mature enough to enter in the day-by-day approach for ultimate limit state design and strength assessment of ships and offshore structures.

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