Bilin Material: Difference between revisions
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| style="width:150px" | '''$matTag ''' || integer tag identifying material | | style="width:150px" | '''$matTag ''' || integer tag identifying material | ||
|- | |- | ||
| '''$ | | '''$K0 ''' || elastic stiffness | ||
|- | |- | ||
| '''$ | | '''$as_Plus ''' || strain hardening ratio for positive loading direction | ||
|- | |||
| '''$as_Neg ''' || strain hardening ratio for negative loading direction | |||
|- | |||
| '''$My_Plus ''' || effective yield strength for positive loading direction | |||
|- | |||
| '''$My_Neg ''' || effective yield strength for negative loading direction | |||
|- | |||
| '''$Lamda_S ''' || Cyclic deterioration parameter for strength deterioration | |||
|- | |||
| '''$Lamda_C''' || Cyclic deterioration parameter for post-capping strength deterioration | |||
|- | |||
| '''$Lamda_A''' || Cyclic deterioration parameter for acceleration reloading stiffness deterioration (is not a deterioration mode for a component with Bilinear hysteretic response). | |||
|- | |- | ||
| '''$ | | '''$Lamda_K''' || Cyclic deterioration parameter for unloading stiffness deterioration | ||
|- | |- | ||
| '''$ | | '''$c_S''' || rate of strength deterioration | ||
|- | |- | ||
| '''$ | | '''$c_C''' || rate of post-capping strength deterioration | ||
|- | |- | ||
| '''$ | | '''$c_A''' || rate of accelerated reloading deterioration | ||
|- | |- | ||
| '''$ | | '''$c_K''' || rate of unloading stiffness deterioration | ||
|} | |} | ||
Revision as of 23:01, 26 August 2010
- Command_Manual
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This command is used to construct a bilin something or other
uniaxialMaterial Bilin $matTag $K0 $as_Plus $as_Neg $My_Plus $My_Neg $Lamda_S $Lamda_C $Lamda_A $Lamda_K $c_S $c_C $c_A $c_K $theta_p_Plus $theta_p_Neg $theta_pc_Plus $theta_pc_Neg $Res_Pos $Res_Neg $theta_u_Plus $theta_u_Neg $D_Plus $D_Neg |
$matTag | integer tag identifying material |
$K0 | elastic stiffness |
$as_Plus | strain hardening ratio for positive loading direction |
$as_Neg | strain hardening ratio for negative loading direction |
$My_Plus | effective yield strength for positive loading direction |
$My_Neg | effective yield strength for negative loading direction |
$Lamda_S | Cyclic deterioration parameter for strength deterioration |
$Lamda_C | Cyclic deterioration parameter for post-capping strength deterioration |
$Lamda_A | Cyclic deterioration parameter for acceleration reloading stiffness deterioration (is not a deterioration mode for a component with Bilinear hysteretic response). |
$Lamda_K | Cyclic deterioration parameter for unloading stiffness deterioration |
$c_S | rate of strength deterioration |
$c_C | rate of post-capping strength deterioration |
$c_A | rate of accelerated reloading deterioration |
$c_K | rate of unloading stiffness deterioration |
Steel01 Material -- Hysteretic Behavior of Model w/o Isotropic Hardening
Steel01 Material -- Hysteretic Behavior of Model with Isotropic Hardening in Compression
Steel01 Material -- Hysteretic Behavior of Model with Isotropic Hardening in Tension
Code Developed by : by Dr. Dimitrios Lignos, Stanford University and was implemented by Dr. Theodore Karavasilis