4.13.3.3. Elastic-Perfectly Plastic Gap Material

uniaxialMaterial('ElasticPPGap', matTag, E, Fy, gap, eta=0.0, damage='noDamage')

This command is used to construct an elastic perfectly-plastic gap uniaxial material object.

matTag (int)	integer tag identifying material
E (float)	tangent
Fy (float)	stress or force at which material reaches plastic state
gap (float)	initial gap (strain or deformation)
eta (float)	hardening ratio (=Eh/E), which can be negative
damage (str)	an optional string to specify whether to accumulate damage or not in the material. With the default string, 'noDamage' the gap material will re-center on load reversal. If the string 'damage' is provided this recentering will not occur and gap will grow.

See also

Notes