AxialSpHD Material: Difference between revisions
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[[Image:AxialSpHD_StressStrain.png|300px]] | [[Image:AxialSpHD_StressStrain.png|300px]] | ||
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Code Developed by: <span style="color:blue"> mkiku </span> | |||
Latest revision as of 06:04, 26 January 2015
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This command is used to construct a uniaxial AxialSpHD material object. This material model produces axial stress-strain curve of elastomeric bearings including hardening behavior.
| uniaxialMaterial AxialSpHD $matTag $sce $fty $fcy <$bte $bty $bth $bcy $fcr $ath> |
| $matTag | integer tag identifying material |
| $sce | compressive modulus |
| $fty $fcy | yield stress under tension ($fty) and compression ($fcy) (see note 1) |
| $bte $bty $bth $bcy | reduction rate for tensile elastic range ($bte), tensile yielding ($bty), tensile hardening ($bth) and compressive yielding ($bcy) (see note 1) |
| $fcr | target point stress (see note 1) |
| $ath | hardening strain ratio to yield strain (see note 1) |
NOTES:
1) Input parameters are required to satisfy followings.
$fcy < 0.0 < $fty
0.0 <= $bty < $bth < $bte <= 1.0
0.0 <= $bcy <= 1.0
$fcy <= $fcr <= 0.0
1.0 <= $ath
EXAMPLE:
Code Developed by: mkiku