Bounding Cam Clay
- 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 multi-dimensional bounding surface Cam Clay material object after Borja et al. (2001).
| nDMaterial BoundingCamClay $matTag $massDensity $C $bulkMod $OCR $mu_o $alpha $lambda $h $m |
| $matTag | integer tag identifying material |
| $massDensity | mass density |
| $C | ellipsoidal axis ratio |
| $bulkMod | initial bulk modulus |
| $OCR | overconsolidation ratio |
| $mu_o | elastic shear modulus |
| $alpha | pressure-dependent parameter |
| $lambda | soil compressibility index for virgin loading |
| $h | hardening parameter |
| $m | hardening parameter |
The material formulations for the BoundingCamClay object are "ThreeDimensional" and "PlaneStrain"
NOTES:
USAGE EXAMPLES:
REFERENCES:
Borja, R.I., Lin, C.-H., and Montans, F.J. (2001) 'Cam-Clay plasticity, Part IV: Implicit integration of anisotropic bounding surface model with nonlinear hyperelasticity and ellipsoidal loading function' Computer Methods in Applied Mechanics and Engineering. 190(26), 3293-3323, doi: 10.1016/S0045-7825(00)00301-7.
Code Developed by Chris McGann & Pedro Arduino, at the University of Washington