Finite Element Simulation of Multipass Welding: Full Three-Dimensional Versus Generalized Plane Strain or Axisymmetric Models
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Issue Date
2005
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Show full item recordAbstract
A full three-dimensional (3D) thermo-mechanical finite element (FE) model has been developed to simulate the step-by-step multipass welding process. Non-linearities associated with welding, such as a moving heat source, material deposition, temperature-dependent material properties, latent heat, and large deformations, were taken into account. The model was applied to multipass butt-welded mild steel plate and girth butt-welded stainless steel pipe for validation. The simulation results were compared with independently obtained experimental data and numerical predictions from two-dimensional (2D) generalized plane strain and axisymmetric models. Good agreements between the 3D predictions and experimental data have been obtained. The computational model has the potential to be applied to multipass welded complex geometries for residual stress prediction. (Professional Engineering Publishing)Citation
The Journal of Strain Analysis for Engineering Design, 40(5): 587-597Publisher
Professional Engineering PublishingJournal
The Journal of Strain Analysis for Engineering DesignAdditional Links
http://journals.pepublishing.com/content/y2q135103886xj43/Type
Journal articleLanguage
enDescription
A three-dimensional thermo-mechanical finite element model has been developed and applied to multipass butt-welded mild steel plate and girth butt-welded stainless steel pipe. The simulation results were validated with independently obtained experimental data. The computational model has the potential to be applied to multipass welded complex geometries for residual stress prediction.ISSN
03093247ae974a485f413a2113503eed53cd6c53
10.1243/030932405X16061
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