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Finite element simulation of edge welding in a fin plate: a study incorporating experimental measurement of input factors

Sudharsanam V., Sathiya Narayanan C., Shanmugarajan B., Prakash L.

Archives of Civil and Mechanical Engineering

2022

Vol. 22, no. 4

art. no. e208, 2022

The present paper discusses the finite element analysis (FEA) performed using SYSWELD software, simulating the Gas Metal Arc Welding (GMAW) of a fin plate on one of its edges. The objective of this work is to study how experimentally measured input factors contribute in the close prediction of thermal and mechanical behaviour of the edge welded fin plate, using FE simulation. The fin plate material considered is ASME SA 387 Gr 12 Cl 2 and of size 1200 mm × 50 mm × 6 mm. Three input factors required for the FEA namely the weld profile, solidus temperature, heat input of welding were identified given their possible influence on the accuracy of FEM prediction. All these factors were determined experimentally using appropriate methods. Then, using these factors as inputs, FEA of edge welding in the fin plate was performed in SYSWELD. This was followed by an experimental trial for validation purpose. The trends of thermal history, strain history and longitudinal bending distortion predicted by FEA and their closeness with the experimentally measured values have been discussed. Based on the findings, it was concluded that the experimental measurement of input factors has enabled the accurate FE simulation of edge welding in fin plate.