NURBS plasticity			
a/a_0	psi=0		psi=10		psi=20
1.0	0.00E+00	0.00E+00	0.00E+00
1.2	1.03E+01	1.24E+01	1.45E+01
1.4	1.20E+01	1.47E+01	1.76E+01
1.6	1.28E+01	1.59E+01	1.93E+01
1.8	1.33E+01	1.67E+01	2.03E+01
2.0	1.37E+01	1.72E+01	2.11E+01
2.2	1.39E+01	1.76E+01	2.17E+01
2.4	1.41E+01	1.79E+01	2.21E+01
2.6	1.43E+01	1.81E+01	2.24E+01
2.8	1.44E+01	1.83E+01	2.27E+01
3.0	1.44E+01	1.84E+01	2.29E+01
3.2	1.45E+01	1.86E+01	2.31E+01
3.4	1.46E+01	1.87E+01	2.33E+01
3.6	1.46E+01	1.88E+01	2.34E+01
3.8	1.47E+01	1.88E+01	2.35E+01
4.0	1.47E+01	1.89E+01	2.37E+01
4.2	1.47E+01	1.90E+01	2.38E+01
4.4	1.48E+01	1.90E+01	2.39E+01
4.6	1.48E+01	1.91E+01	2.39E+01
4.8	1.48E+01	1.91E+01	2.40E+01
5.0	1.48E+01	1.91E+01	2.41E+01