A Radial Return Algorithm Application in Elastoplastic Frame Analysis Using Plastic Hinge Approach

Table 9

Four-legged jacket type-2. Error norms for Newton iterative scheme on global equilibrium.

Single-vector return algorithm
Residual norm	Energy norm	Residual norm	Energy norm
Step 25	Step 25	Step 45	Step 45
0.34837E-03	0.10000E+01	0.75999E-03	0.10000E+01
0.10245E-05	0.44342E-08	0.81462E-06	0.89862E-08
0.95123E-11	0.12589E-15	0.13896E-11	0.88152E-16