114
4 Simulation of Transient Keyhole and Weld Pool
(a) 0.46ms
(b) 2.25ms
(c) 9.94ms
(d) 10.85ms
(e) 13.07ms
(f) 16.85ms
(g) 17.06ms
(h) 35.72ms
Fig. 4.7 Evolution of free interface and the distribution of weld pool velocity field