Creates contact between bodies in an Explicit Dynamics Analysis.
Object Properties
The Details Pane for this object includes the following properties.
| Category | Properties/Options/Descriptions |
|---|---|
| Scope | Scoping Method: Options include Geometry and Named Selection. |
|
Geometry: Appears when the Scoping Method property is set to Geometry Selection. In this case, use selection filters to pick geometry, click in the Geometry field, then click Apply. | |
| Named Selection: Displays when the Scoping Method property is set to Named Selection. This property provides a drop-down list of available user-defined Named Selections. | |
| Definition | Type |
| Maximum Offset: Displays when the Type property is set to Bonded. | |
| Breakable: Displays if the Type property is set to Bonded. | |
| Normal Stress Limit: Displays if the Type property is set to Bonded and the Breakable property is set to Stress Criteria. | |
| Normal Stress Exponent: Displays if the Type property is set to Bonded and the Breakable property is set to Stress Criteria. | |
| Shear Stress Limit: Displays if the Type property is set to Bonded and the Breakable property is set to Stress Criteria. | |
| Shear Stress Exponent: Displays if the Type property is set to Bonded and the Breakable property is set to Stress Criteria. | |
| Friction Coefficient: Displays if the Type property is set to Frictional. | |
| Dynamic Coefficient: Displays if the Type property is set to Frictional. | |
| Decay Constant: Displays if the Type property is set to Frictional. | |
In LS-DYNA analyses, additional properties are available using the Contact Properties object, which can be added under each Contact Region or Body Interaction object. This object enables advanced usage of the contact.
Tree Dependencies
Valid Parent Tree Object: Body Interactions.
Insertion Methods
Automatically inserted in the tree if model includes a Body Interactions object.
For manual insertion, use any of the following methods after highlighting Connections object.
Choose on Connections Context.
Right-click the Connections object, or in the Geometry window and select > .
API Reference
See the Body Interaction section of the ACT API Reference Guide for specific scripting information.
Additional Related Information
See the following sections for more information: