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Numerical simulation of three dimensional shape of liquid surface of full-penetrated weld pool

  • Harbin Institute of Technology

Research output: Contribution to journalArticlepeer-review

Abstract

The variation behavior of the 3D shape of the full-penetrated weld pool in the period from the pulsed peak current to the base current in the pulsed TIG welding is analyzed qualitatively. The mathematical models are created from the view-point of force and energy. The numerical simulation is carried out using the FEM simulation software - Surface Evolver. The mathematical models are then modified by using of experimental results. The modified models lay the foundation for systematically and qualitatively simulating the principles of the liquid surface of the full-penetrated weld pool under various kinds of conditions, and for obtaining the relationship between the feature value of the upper liquid surface and the depth of the weld pool.

Original languageEnglish
Pages (from-to)26-31
Number of pages6
JournalCailiao Kexue yu Gongyi/Material Science and Technology
Volume9
Issue number1
StatePublished - Mar 2001

Keywords

  • Full-penetration weld pool
  • Mathematical simulation
  • Pulse TIG welding

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