SteelMP Material

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This command is used to construct a uniaxial Menegotto-Pinto steel material object.


uniaxialMaterial SteelMP $matTag $sigmaY $E $b

$matTag unique material object integer tag
$sigmaY yield stress or force
$E initial tangent stiffness
$b strain-hardening ratio (ratio between post-yield tangent and initial elastic tangent)

Note: For this material class, the sensitivity parameters can be: sigmaY, E, b


Reference:
Barbato M., Conte J.P. (2006). “Finite element structural response sensitivity and reliability analyses using smooth versus non-smooth material constitutive models.” International Journal of Reliability and Safety, 1(1-2):3-39.