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ISSN Online: 2377-424X

ISBN Print: 1-56032-797-9

International Heat Transfer Conference 11
August, 23-28, 1998, Kyongju, Korea

NUMERICAL SIMULATION OF HEAT TRANSFER IN WELDING PROCESSES

Get access (open in a dialog) DOI: 10.1615/IHTC11.3700
pages 213-218

Abstract

In the current work, two models of heat transport and en¬ergy input in deep penetration laser beam welding (LBW) and gas metal arc welding (GMAW) will be presented. The simulation is based on the modelling of the heat transfer with consideration of the velocity field in the weld pool and the pool surface depression influenced by arc or vapour pressure, surface tension and gravity. With the implemented computation algorithms, predictions of the quality of the joint can be provided. This allows the reduction of the experimental expense of the development and optimisation of welding methods. A comparison of the theoretical results with experimental data is given.