Bilin Material: Difference between revisions
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[[Image:ModIKModel.PNG]] | [[Image:ModIKModel.PNG]] | ||
Image from Lignos, D. G., and Krawinkler, H. (2009). “Sidesway Collapse of Deteriorating Structural Systems under Seismic Excitations,” Technical Report 172, The John A. Blume Earthquake Engineering Research Center, Department of Civil Engineering, Stanford University, Stanford, CA. | |||
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Code Developed by : <span style="color:blue"> by Dr. Dimitrios Lignos, Stanford University and was implemented by Dr. Theodore Karavasilis </span> | Code Developed by : <span style="color:blue"> by Dr. Dimitrios Lignos, Stanford University and was implemented by Dr. Theodore Karavasilis </span> | ||
Revision as of 20:50, 28 August 2010
- Command_Manual
- Tcl Commands
- Modeling_Commands
- model
- uniaxialMaterial
- ndMaterial
- frictionModel
- section
- geometricTransf
- element
- node
- sp commands
- mp commands
- timeSeries
- pattern
- mass
- block commands
- region
- rayleigh
- Analysis Commands
- Output Commands
- Misc Commands
- DataBase Commands
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 |
Image from Lignos, D. G., and Krawinkler, H. (2009). “Sidesway Collapse of Deteriorating Structural Systems under Seismic Excitations,” Technical Report 172, The John A. Blume Earthquake Engineering Research Center, Department of Civil Engineering, Stanford University, Stanford, CA.
Code Developed by : by Dr. Dimitrios Lignos, Stanford University and was implemented by Dr. Theodore Karavasilis