Journal ArticleDOI
An efficient FE computation for predicting welding induced buckling in production of ship panel structure
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In this paper, an efficient FE computation which is an elastic FE analysis based on inherent deformation method, is proposed to predict welding induced buckling with employing large deformation theory, and an application in ship panel production is carried out.About:
This article is published in Marine Structures.The article was published on 2015-04-01. It has received 62 citations till now. The article focuses on the topics: Welding & Fillet weld.read more
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On the Resistance to Buckling Loads of Idealized Hull Structures: FE Analysis on Designed-Stiffened Plates
TL;DR: In this article , the buckling analysis on simply supported rectangular plates and stiffened panels is carried out, and three different plate thicknesses are proposed (i.e., 3 mm, 4 mm, and 5 mm).
Journal ArticleDOI
A design method of tensile triangles and low transformation temperature weld metal for reduction of stress concentration and residual stress of welded joints
TL;DR: In this article, a mathematical design method of tensile triangles based on bionics was applied to weld shape design to reduce the stress concentration of welded joints, and it was found that there existed a large stress concentration in the conventional weld joints, whereas those weld joints with elongated weld bead were accompanied by a lower stress concentration.
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Analysis of influence of initial gap of laser-arc hybrid butt welds on inherent strain and welding deformation of a pipe structure
TL;DR: In this article, a thermal elastic-plastic finite element model was developed to investigate the temperature fields and plastic strains in butt joints of steel plates with three different initial gaps (0.2mm, 0.5mm, and 1.0mm).
Journal ArticleDOI
Application of efficient TEP FE computation on accurate fabrication of cylindrical leg structure of jack-up rig
Hong Zhou,Bin Yi,Yexing Niu,Bingning Wei,Shizhong Du,Hongquan Zhao,Jiancheng Liu,Jiangchao Wang +7 more
TL;DR: In this article, an efficient Thermal Elastic Plastic (TEP) FE computation with Iterative Substructure Method (ISM) and OpenMP parallel computation was proposed and employed for welding distortion prediction.
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Mitigation of welding induced buckling with transient thermal tension and its application for accurate fabrication of offshore cabin structure
TL;DR: In this paper , a non-linear thermal elastic plastic FE computation with welding inherent deformation as mechanical load was carried out to predict out-of-plane welding distortion of considered cabin structure, while cases of conventional welding and welding with transient thermal tension were examined.
References
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Book
Computational welding mechanics
John A. Goldak,Mehdi Akhlaghi +1 more
TL;DR: In this article, a computer simulation of Welding Processes is presented, where the evolution of microstructure depending on temperature and deformation of the Welded Structures and applications of welding in Industrial Fields.
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Prediction of welding distortion and residual stress in a thin plate butt-welded joint
Dean Deng,Hidekazu Murakawa +1 more
TL;DR: In this paper, a three-dimensional, thermo-elastic-plastic, large deformation finite element method (FEM) is used to simulate welding distortion in a low carbon steel butt-welded joint with 1mm thickness.