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

Table 4

Residual force and residual yield norms for typical load steps during the formation of the first plastic hinge.

Single-vector return algorithm
Residual force; norm $r^{\mathrm{norm}\hspace{0.17em}}$	Residual yield; norm ${\mathrm{\Phi }}^{\mathrm{norm}\hspace{0.17em}}$	Residual force; norm $r^{\mathrm{norm}\hspace{0.17em}}$	Residual yield; norm ${\mathrm{\Phi }}^{\mathrm{norm}\hspace{0.17em}}$
Step 11	Step 11	Step 60	Step 60
1.20935377E-04	2.41865226E-07	8.93804269E-04	6.25601990E-06
3.45076307E-11	6.60402844E-11	6.22404505E-09	9.11217879E-09
8.02626977E-17	0.0	5.12166402E-17	0.0