Figure21a						
h		5.0000E-01	2.5000E-01	1.2500E-01	6.2500E-02	3.1250E-02	1.5625E-02
sigma_xx error	8.3850E-02	3.8028E-02	1.9327E-02	8.4643E-03	3.9822E-03	1.9860E-03
sigma_yy error	3.9533E+01	2.0015E+01	1.0409E+01	4.8074E+00	2.3898E+00	1.1248E+00
sigma_xy error	6.9197E-01	4.7222E-01	2.7211E-01	1.3271E-01	6.5145E-02	3.2067E-02
u_x error	7.1774E-03	2.2267E-03	1.4302E-03	2.3944E-04	1.5338E-04	4.3446E-05
u_y error	5.9233E-03	1.9245E-03	1.5016E-03	4.8182E-04	1.7682E-04	7.2837E-05
						
Figure21b						
h				5.0000E-01	2.5000E-01	1.2500E-01	6.2500E-02	3.1250E-02	1.5625E-02
sigma_xx error, 2^2 MPs		9.7510E-02	3.7289E-02	2.2954E-02	1.0920E-02	5.5050E-03	3.1125E-03
sigma_xx error, 4^2 MPs		8.2535E-02	3.7665E-02	1.9220E-02	8.7253E-03	4.2745E-03	2.3823E-03
sigma_xx error, 8^2 MPs		8.3850E-02	3.8028E-02	1.9327E-02	8.4643E-03	3.9822E-03	1.9860E-03
u_x error, 2^2 MPs		9.3773E-03	1.8740E-03	9.5289E-04	4.5015E-04	1.7811E-04	1.0448E-04
u_x error, 4^2 MPs		7.1033E-03	1.9191E-03	1.2348E-03	2.0679E-04	1.4146E-04	6.4106E-05
u_x error, 8^2 MPs		7.1774E-03	2.2267E-03	1.4302E-03	2.3944E-04	1.5338E-04	4.3446E-05