Abstract
The work focuses on numerical simulation of the deformation process in a metal tank after shell replacement of the first ring taking into account thermal effects during the welding process. SYSWELD 2016.5 was implemented so as to determine the welding deformation of T-joint area of the shell and annular plate. The average value of the vertical displacement for the entire part has made up to 0.86 mm, this value is adopted as the base for further calculations in ANSYS. The calculations showed that the neglect of thermal deformation caused by welding process impairs the accuracy of the final values of stress and strain by 4.4% and 5.9%, respectively.
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