Ultimate Compressive Strength Computational Modeling for Stiffened Plate Panels with Nonuniform Thickness

The aim of this paper is to develop computational models for the ultimate compressive strength analysis of stiffened plate panels with nonuniform thickness. Modeling welding-induced initial deformations and residual stresses was presented with the measured data. Three methods, i.e., ANSYS finite ele...

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Published inJournal of marine science and application Vol. 19; no. 4; pp. 658 - 673
Main Authors Lee, Hyun Ho, Paik, Jeom Kee
Format Journal Article
LanguageEnglish
Published Harbin Harbin Engineering University 01.12.2020
Springer Nature B.V
Department of Mechanical Engineering, University College London, London, UK
Department of Naval Architecture and Ocean Engineering, Pusan National University, Busan, South Korea%Department of Naval Architecture and Ocean Engineering, Pusan National University, Busan, South Korea
The Korea Ship and Offshore Research Institute (Lloyd's Register Foundation Research Centre of Excellence), Pusan National University, Busan, South Korea
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ISSN1671-9433
1993-5048
DOI10.1007/s11804-020-00180-0

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Summary:The aim of this paper is to develop computational models for the ultimate compressive strength analysis of stiffened plate panels with nonuniform thickness. Modeling welding-induced initial deformations and residual stresses was presented with the measured data. Three methods, i.e., ANSYS finite element method, ALPS/SPINE incremental Galerkin method, and ALPS/ULSAP analytical method, were employed together with existing test database obtained from a full-scale collapse testing of steel-stiffened plate structures. Sensitivity study was conducted with varying the difference in plate thickness to define a representative (equivalent) thickness for plate panels with nonuniform thickness. Guidelines are provided for structural modeling to compute the ultimate compressive strength of plate panels with variable thickness.
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ISSN:1671-9433
1993-5048
DOI:10.1007/s11804-020-00180-0