uniaxialMaterial('Dodd_Restrepo', matTag, Fy, Fsu, ESH, ESU, Youngs, ESHI, FSHI, OmegaFac=1.0)

This command is used to construct a Dodd-Restrepo steel material

matTag (int)

integer tag identifying material

Fy (float)

Yield strength

Fsu (float)

Ultimate tensile strength (UTS)

ESH (float)

Tensile strain at initiation of strain hardening

ESU (float)

Tensile strain at the UTS

Youngs (float)

Modulus of elasticity

ESHI (float)

Tensile strain for a point on strain hardening curve, recommended range of values for ESHI: [ (ESU + 5*ESH)/6, (ESU + 3*ESH)/4]

FSHI (float)

Tensile stress at point on strain hardening curve corresponding to ESHI

OmegaFac (float)

Roundedness factor for Bauschinger curve in cycle reversals from the strain hardening curve. Range: [0.75, 1.15]. Largest value tends to near a bilinear Bauschinger curve. Default = 1.0.

See also