The Cam-Clay material model is contained in the Geomechanical Toolbox data item. This property supports Static Structural and Transient Structural analyses. When you added this model, the Porous Elasticity model is also automatically added. For additional information, see Cam-clay in the Material Reference.
Cam-Clay includes the following physical properties:
Plastic Slope Parameter
Slope of Critical State Line
Initial Size of Yield Surface
Minimum Size of Yield Surface
Dry Part of Yield Surface Modifier
Wetting Part of Yield Surface Modifier
Anisotropic Yield Surface Parameter