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This paper concerns numerical modelling of the Yb:YAG laser beam welding process. Numerical algorithms are developed for the analysis of thermal phenomena in a laser welded joint taking into account the motion of the liquid material in the welding pool. The model describing the laser beam heat source power distribution is developed on the basis of the kriging method. The heat source model uses the...
Purpose: A simplified numerical model which predicts the molten zone thermodynamics, resulting from laser irradiation is developed. Design/methodology/approach: The treatment of this problem is founded on the resolution of the dynamic and thermal flows differential equations, by taking into account the effects of material fusion. Numerical simulations of this steady two-dimensional flow have been...
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