[2007] Ultimate Limit State Performance of Oil Tanker Structures Designed by IACS Common Structural Rules > Selected Papers

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[2007] Ultimate Limit State Performance of Oil Tanker Structures Desig…

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Thin-Walled Structures
Vol.45, Issue 12, pp.1022-1034, December 2007



Ultimate Limit State Performance of Oil Tanker Structures Designed by IACS Common Structural Rules


Author(s): Jeom Kee Paik




The aim of the present paper is to evaluate the ultimate limit state (ULS) performance of an AFRAMAX-class hypothetical double hull oil tanker structure designed by International Association of Classification Societies Common Structural Rules (IACS CSR) method, compared with the same-class/type tanker structure designed by IACS pre-CSR method. The ultimate strengths of stiffened plate structures in deck and bottom parts, and hull girder against vertical bending moment, are computed for the two designs, and the resulting computations are compared. ALPS/ULSAP program is used for the ULS assessment of stiffened plate structures, while ALPS/HULL program is employed for the progressive hull collapse analysis. ANSYS nonlinear FEA method, which uses more refined technology of the analysis, is also employed for the same purpose. The insights and developments obtained from the present study are addressed.
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