Research Article

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

Table 3

Error norms for Newton iterative scheme on global equilibrium.

Single-vector return algorithm
Residual normEnergy normResidual normEnergy norm

Step 16Step 16Step 250Step 250
0.11634E-040.10000E+010.21960E-030.10000E+01
0.18054E-080.41898E-120.18174E-070.19603E-10
0.74031E-160.93424E-240.18630E-140.65129E-23