Connector parameters can be modified from the Ball Joint property dialog. More information about connector parameters can be found in Constraint Entity Connectors.
Friction parameters are defined in the figure and table below.
Figure 5.45: Description of Friction parameters in the Ball Joint property dialog
Parameter | Symbol | Description | Dimension (Range) |
1. Use Friction | N/A | If this option is selected, the friction torque will be added to the joint. | N/A |
2. Friction Coefficient | Use to set the friction coefficient. |
N/A (Real>=0) | |
3. Static Friction Coefficient | Use to set the static friction coefficient. |
N/A (Real>=0) | |
4. Dynamics Threshold | Use to set the dynamic threshold. |
Length/Time (Real>=0) | |
5. Stiction Velocity | Use to set the stiction velocity. |
Length/Time (Real>=0) | |
6. Max Stiction Deformation | Use to set the maximum deformation under stiction. |
Length (Real>=0) | |
7. Friction Effect | N/A | Use to select one of the friction effects. When Equation 5–42 ~ Equation 5–47 in the Motion Theory Reference. When is selected, the friction coefficient is calculated from Equation 5–44. When is selected, the friction coefficient is calculated from Equation 5–47. | is selected, the friction coefficient is calculated fromN/A |
8. Reaction Force | N/A | If this option is selected, the reaction forces in the x-y plane are considered for the friction torque. | N/A |
9. Bending Moment | N/A | If this option is selected, the bending moment is considered for the friction force. | N/A |
10. Torsional Moment | N/A | If this option is selected, the torsional moment is considered for the friction torque. | N/A |
11. Reaction Arm | Use to define the equivalent contact radius. |
Length (Real>0) | |
12. pre force | Use to define the pre-defined frictional force. | Force | |
13. Initial overlap | Use to define the initial overlap. |
Length (Real>0) | |
14. Overlap option | N/A | Use to select one of the overlap options. When Equation 5–52 in the Motion Theory Reference. When is selected, the overlap length is calculated from Equation 5–54. | is selected, the overlap length will be constant as the initial overlap. When is selected, the overlap length is calculated fromN/A |
15. Control buttons | N/A | If all necessary parameters are set, these buttons are enabled. For more information about the control buttons, refer to Entity Properties Access and Modification. | N/A |