ElasticBilin
This command is used to construct an elastic bilinear uniaxial material object. Unlike all other bilinear materials, the unloading curve follows the loading curve exactly.
uniaxialMaterial ElasticBilin $matTag $EP1 $EP2 $epsP2
< $EN1 $EN2 $epsN2 >
matTag
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integer tag identifying material |
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tangent in tension for stains: 0 <= strains <= |
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tangent when material in tension with strains |
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strain at which material changes tangent in tension. |
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optional, default = |
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optional, default = |
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optional, default = -epsP2. strain at which material changes tangent in compression. |

NOTE:
eps0 can not be controlled. It is always zero.
Code Developed by: fmk