-Adaptive Refinement Based on Stress Recovery Technique Considering Ordinary Kriging Interpolation in L-Shaped Domain

Table 3

The relative percentage errors of 12-element model by the limit value.

Number of iterations	Least square method		Ordinary kriging interpolation
	NDF	(%)	NDF	(%)
1; 2; 3; 4; 5; 6; 7; 8; 9; 10	36; 89; 135; 190; 224; 272; 282; 314; 343; 363	33.26; 15.66; 11.99; 9.51; 8.05; 6.81; 6.30; 6.00; 5.78; 5.60	36; 96; 149; 214; 234; 264; 301; 353; —; —	33.26; 13.33; 10.50; 7.80; 6.90; 6.20; 5.60; 5.20; —; —