Numerical Investigations on Residual Stress in Laser Penetration Welding Process of Ultrafine-Grained Steel

Table 5

The percentage error between the simulated and actual molten pools.

	Weld width (mm)		Weld depth (mm)		Maximum percentage error (%)
	Experimental data	FEA model	Experimental data	FEA model
1^st condition	4.0	4.068	5.4	5.387	0.2
2^nd condition	3.5	3.523	4.2	4.186	0.3