Research Article

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

Table 5

Error norms for Newton iterative scheme on global equilibrium.

Single-vector return algorithm
Residual normEnergy normResidual normEnergy norm

Step 16Step 16Step 250Step 250
0.80063E-020.10000E+010.23954E-010.10000E+01
0.18017E-030.24336E-060.14595E-010.82672E-03
0.15248E-080.50571E-130.15491E-150.11855E-08
0.49717E-130.39726E-230.87519E-130.28146E-19