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This command is used to construct a uniaxial bilinear hysteretic material object with pinching of force and deformation, damage due to ductility and energy.
uniaxialMaterial Hyster_1 $matTag $s1p $e1p $s2p $e2p $s1n $e1n $s2n $e2n $pinchX $pinchY $dDELTA $dE
$matTag |
unique material object integer tag |
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$s1p |
$e1p |
stress and strain (or force & deformation) at first point of the envelope in the positive direction |
$s2p |
$e2p |
stress and strain (or force & deformation) at second point of the envelope in the positive direction |
$s1n |
$e1n |
stress and strain (or force & deformation) at first point of the envelope in the negative direction* |
$s2n |
$e2n |
stress and strain (or force & deformation) at second point of the envelope in the negative direction* |
$pinchX |
pinching factor for strain (or deformation) during reloading |
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$pinchY |
pinching factor for stress (or force) during reloading |
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$dDELTA |
damage due to ductility: D1(mu-1) |
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$dE |
damage due to energy: D2(Eii/Eult) |
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Hyster_1 Material -- Material Parameters of Monotonic Envelope
Hyster_1 Material -- Hysteretic Behavior of Model (hardening; no damage)
Hyster_1 Material -- Hysteretic Behavior of Model (softening; no damage)
Hyster_1 Material -- Hysteretic Behavior of Model (no damage)(hardening and "pinching" pinchX=0.7 pinchY=0.2)
Hyster_1 Material -- Hysteretic Behavior of Model (hardening; displacement damage dDELTA=0.05)
Hyster_1 Material -- Hysteretic Behavior of Model (hardening; energy damage dE=0.05)
Hyster_1 Material -- Hysteretic Behavior of Model (softening; "pinching", displacement damage dDELTA=0.05)
Hyster_1 Material -- Hysteretic Behavior of Model (softening; "pinching" energy damage dE=0.05)
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