Ramberg-Osgood steel model - stl_ro

This is the Ramberg-Osgood stress-strain model [Ramberg and Osgood, 1943], as described in the work of Kaldjian [1967] and Otani [1981].

Yield strength - fy
the default value is 500 MPa

Yield strain
the default value is 0.0025

Ramberg Osgood Parameter -
the default value is 20.00

Convergence Limit for the Newton-Raphson procedure - 1
the default value is 0.001

Fracture / Buckling Strain -
The default value is 0.1

Specific Weight -
The default Value is 78.00 kN/m3