Table 3.

Verification of results by factor of safety method—values show the global error for velocity in the z-direction for the three axial planes analyzed (Fig. 2)

Parameter	Study group	Grid uncertainty (%S1)
Mean velocity, Uz-mean	Group 1 (X-fine, fine, medium)	0.72
		1.06
	0.34
	Group 2 (fine, medium, coarse)	1.09
		1.02
0.59
Z-velocity	Group 1 (X-fine, fine, medium)	1.13
		2.69
	0.728
	Group 2 (fine, medium, coarse)	10.64
		36.94
1.5