Constrained force and torque are reported in the Motion Postprocessor and their definitions are the same as for Revolute Joint Output.
Outputs for friction force are reported in the Motion Postprocessor as shown in the table below.
Figure 5.42: Definition of outputs for friction force in Translational joint
Parameter | Symbol | Description | Dimension |
Stiction Deformation | The stiction deformation is the relative displacement moved under the stiction range, and it is defined in Equation 5–45 of Friction in a Translational Joint. | Length | |
Relative Velocity | The relative velocity is determined by a sliding velocity at a contact point between contacted surfaces, and it is defined in Equation 5–41 of Friction in a Translational Joint. | Length/Time | |
Friction Coefficient | The friction coefficient is determined by the relative velocity and stiction deformation and defined in Equation 5–42, Equation 5–46, and Equation 5–47 of Friction in a Translational Joint. | N/A | |
Friction Force | Total frictional force is defined in Equation 5–56 of Friction in a Translational Joint. | Force | |
Reaction Force | The reaction force is the constrained force applied to the action marker in the x-y plane of the base marker of the translational joint. | Force | |
Friction Force by Reaction Force | The friction force by reaction force is defined in Equation 5–49 of Friction in a Translational Joint. | Force | |
Bending Moment | The bending moment is the constrained moment applied to the action marker in the x and y-axes of the base marker of the translational joint. | Force*Length | |
Friction Force by Bending Moment | The friction force by bending moment is defined in Equation 5–50 of Friction in a Translational Joint. | Force | |
Torsional Moment | The torsional moment is the constrained moment applied to the action marker in the z-axis direction of the base marker of the translational joint. | Force*Length | |
Friction Force by Torsional Moment | The friction force by torsional moment is defined in Equation 5–55 of Friction in a Translational Joint. | Force | |
Pre Force | The preforce is the user-defined static friction force. | Force | |
Frictional Force by Pre Force | The friction force by a pre-defined friction force is defined in Equation 5–48 of Friction in a Translational Joint. | Force |
Outputs for x clearance are reported in the Motion Postprocessor as shown in the table below.
Figure 5.43: Definition of outputs for X clearance in a Translational Joint
Parameter | Symbol | Description | Dimension | |
Relative Distance | The relative distance in the clearance direction in Equation 5–20 of Clearance in a Revolute Joint. | Length | ||
Normal Force | The normal force on the action body in Equation 5–27 of Clearance in a Revolute Joint. | Force | ||
Penetration | The penetration as defined in Equation 5–21 of Clearance in a Revolute Joint. | Length | ||
D penetration | The penetrated velocity as defined in Equation 5–28 of Clearance in a Revolute Joint. | Length/Time | ||
Potential Energy | The potential energy can be calculated as follows: | Force*Length | ||
Contact Loss | The contact loss can be calculated as follows: | Force*Length | ||
Spring Force |
The spring force on the action body can be calculated as follows: | Force | ||
Damping Force |
The damping force on the action body can be calculated as follows: | Force | ||
Stiffness Coefficient | The stiffness coefficient as defined in Equation 5–30 of Clearance in a Revolute Joint. | Force/Length | ||
Damping Coefficient | The damping coefficient as defined in Equation 5–31 and Equation 5–32 of Clearance in a Revolute Joint. | Force*Time/Length |
Outputs for y clearance are reported in the Motion Postprocessor and their definitions are the same as for y clearance (above).