Numerical dynamic analysis of moving GTA weld pool

Z. N. Cao, Y. M. Zhang, R. Kovacevic

Research output: Contribution to journalArticlepeer-review

16 Scopus citations


A three dimensional model with a moving heat source is developed to describe heat transfer and fluid flow in transient weld pools. Full penetration and free top and bottom surfaces are incorporated in the model in order to simulate the welding process more practically. The influence of plate thickness and welding current on the dynamics of weld pools is analyzed using calculated data. It is shown that when the workpiece is nearly penetrated, the depth of weld pool increases quickly. Also, the elevation of the top surface decreases quickly once the full penetration status is established.

Original languageEnglish
Pages (from-to)173-178
Number of pages6
JournalJournal of Manufacturing Science and Engineering, Transactions of the ASME
Issue number1
StatePublished - Feb 1 1998

ASJC Scopus subject areas

  • Control and Systems Engineering
  • Mechanical Engineering
  • Computer Science Applications
  • Industrial and Manufacturing Engineering


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