Publications

Adak, M. and Guedes Soares, C. (2012), “Influences of Boundary Constraints on the Residual Stresses and deformations in a High Strength Steel Plate after Welding”, Maritime Engineering and Technology, Guedes Soares et al. (Eds),Taylor & Francis Group, London, 2012, PP253-260

The aim of this study is to investigate the influences on the residual stress field and deformations of three different boundary constraints during butt-join welding in a high strength steel plate. The distortion of a welded plate is a nonlinear problem in geometry and material, therefore the finite element analysis conducted is based upon the thermo-elastic-plastic and large deflection theory. High strength shipbuilding steel AH36 with temperature dependent material properties and nonlinear stress-strain material properties (bilinear isotropic hardening option uses the von Mises yield criteria) are assumed for the numerical analysis. Three different boundary conditions are considered in this study. In case 1, end edge parallel to welding line is fixed, in case 2, edge along x-axis (top of the plate) is fixed and the edge parallel to x-axis (bottom of the plate) is fixed during welding. The results of the thermal analysis are compared with the ones obtained by another researcher.

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