Elastic-Perfectly Plastic Gap

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

uniaxialMaterial ElasticPPGap $matTag $E $Fy $gap
        < $eta > < damage >

matTag

integer tag identifying material

E

tangent

Fy

stress or force at which material reaches plastic state

gap

initial gap (strain or deformation)

eta

hardening ratio (=Eh/E), which can be negative

damage

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.

ElasticPPGap.gif

Examples

<tcl>ElasticPPGap.tcl</tcl>

ElasticPPGapPlotA.png ElasticPPGapPlotB.png


Code Developed by: Kevin Mackie, University of Central Florida

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