contact model command
Syntax
- contact model keyword <range>
Primary keywords:
arrlinear bilinear burger fish flatjoint hertz hysteretic linear linearcbond lineardipole linearpbond mechanical null rrlinear smoothjoint softbond springnetwork subspringnetwork thermal
Assign contact models. The selected contact model applies to contacts in the specified range. If no range is specified, then all contacts in the model are affected. The contact model can be a built-in contact model, or a plug-in contact model (registered with the
program loadcommand).By default, mechanical contacts are considered. One can use the mechanical or thermal to refer to mechanical or thermal contacts.
The list of built-in mechanical contact models is given in the “Built-in Contact Models” section. Users may also implement custom contact models (see “User-Defined Contact Models” for further information).
- arrlinear
Specify the Adhesive Rolling Resistance Linear Model contact model.
- bilinear
Specify the Bilinear Contact Model contact model.
- burger
Specify the Burger’s Model contact model.
- fish
Specify the FISH Model contact model.
- flatjoint
Specify the Flat-Joint Model contact model.
- hertz
Specify the Hertz Model contact model.
- hysteretic
Specify the Hysteretic Model contact model.
- linear
Specify the Linear Model contact model.
- linearcbond
Specify the Linear Contact Bond Model contact model.
- lineardipole (3D ONLY)
Specify the Linear Dipole Model contact model.
- linearpbond
Specify the Linear Parallel Bond Model contact model.
- mechanical
Specify mechanical contacts.
- null
Specify the Null Model contact model.
- rrlinear
Specify the Rolling Resistance Linear Model contact model.
- smoothjoint
Specify the Smooth-Joint Model contact model.
- softbond
Specify the Soft-Bond Model contact model.
- springnetwork
Specify the Spring Network Model contact model.
- subspringnetwork
Specify the Subspring Network Model contact model.
- thermal
Specify thermal contacts.
Usage Example
contact model null range group 'bottom-platen' match 2
from “specimen.dat” in Simple Rigid Block Bonded-Block Modeling (BBM)
contact model 'linearpbond' range contact type 'ball-ball'
from “cmat6.dat” in Using the CMAT
contact model flatjoint
from “flat_joint.dat” in Rock Testing
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