Simple thermo-elastic-plastic models for welding distortion simulations

D. Camilleri, T. Comlekci, T.G.F. Gray

Research output: Contribution to journalArticle

65 Citations (Scopus)

Abstract

This study presents a number of finite-element (FE) models aimed at illustrating the effect of using different modelling strategies for the simulation of the thermo-elasto-plastic stages of the welding process. The main challenge with computational approaches is to model the complex and at times indeterminate nature of the welding process, preferably in a simple and transparent manner. The study uses the example of butt welding thin rectangular plates, the results of main interest being the out-of plane distortion and longitudinal residual stresses. The FE model results are compared to experimental data and simplified analytical algorithms that have been developed and validated in the context of a project to improve the prediction and control of welding distortion in thin welded structures.
Original languageEnglish
Pages (from-to)77-86
Number of pages9
JournalJournal of Materials Processing Technology
Volume176
Issue number1-3
DOIs
Publication statusPublished - 6 Jun 2006

Keywords

  • thermo-elastic-plastic models
  • welding distortion
  • simulations
  • materials processing

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