Constrained force and torque are reported in the Motion Postprocessor as shown in the table below.
Figure 5.87: Definition of PTCV outputs
| Parameter | Symbol | Description | Dimension |
| Force_on_Action_Marker |
| The acting force vector on the action marker is defined in PTCV (Point To Curve). | Force |
| - Measure_in_Base_Marker |
|
The acting force vector is transformed into the reference frame of the base marker as follows:
where the variable | Force |
| - Measure_in_Action_Marker |
|
The acting force vector is transformed into the reference frame of the action marker as follows:
where the variable | Force |
| Torque_on_Action_Marker |
| The acting torque vector on the action marker is defined in PTCV (Point To Curve). | Force*Length |
| - Measure_in_Base_Marker |
|
The acting torque vector is transformed into the reference frame of the base marker as follows:
| Force*Length |
| - Measure_in_Action_Marker |
|
The acting force vector is transformed into the reference frame of the action marker as follows:
| Force*Length |
| Force_on_Base_Marker |
| The reacting force vector on the base marker is defined in PTCV (Point To Curve). | Force |
| - Measure_in_Base_Marker |
|
The reacting force vector is transformed into the reference frame of the base marker as follows:
| Force |
| - Measure_in_Action_Marker |
|
The reacting force vector is transformed into the reference frame of the action marker as follows:
| Force |
| Torque_on_Base_Marker |
| The reacting torque vector on the base marker is defined in PTCV (Point To Curve). | Force*Length |
| - Measure_in_Base_Marker |
|
The reacting torque vector is transformed into the reference frame of the base marker as follows:
| Force*Length |
| - Measure_in_Action_Marker |
|
The reacting torque vector is transformed into the reference frame of the action marker as follows:
| Force*Length |
| Point |
| The position vector of the contact point. | Length |
| Normal_Force |
| The normal force to restrict the action point on the base curve. | Force |
| Penetration |
| The constraint violation in the curve normal direction. | Length |
| Dpenetration |
| The time derivative of the constraint violation in normal direction to the curve. | Length/Time |
| Friction_Force |
| The friction force in the tangential direction to the curve. | Force |
| Tangent_Velocity |
| The sliding velocity in the tangent direction to the curve. | Length/Time |
| Friction_Coefficient |
| The friction coefficient. | N/A |
