Subspring Network Model Methods
The methods of the Subspring Network Model model are shown below for reference. More detailed information regarding these methods is presented in the model description.
- area
Set the user_area property, fixing the contact area, from the current sn_area.
- assign-stiffness keyword ...
Assign normal and shear stiffness without the Poisson’s ratio correction. This should be used for assigning notional joint stiffnesses for non-bonded, pre-existing joints. The rotational stiffness is set to 0.
- kn f
Normal stiffness per unit area.
- kratio f
Normal-to-shear stiffness ratio.
- bond keyword ...
Activate the bond.
- compute-stiffness keyword ...
Compute stiffnesses to match the target Young’s modulus and Poisson ratio. Incremental normal force computation mode is activated.
- emod f
Specify the effective Young’s modulus.
- poisson f
Poisson ratio.
- reset-disp
Set the shear displacement for all subcontacts to 0.
- unbond <keyword>
Deactivate the bond.
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