Adams Basic Package > Adams View > View Function Builder > Run-Time Functions > Functions: A - M > Motion Force (MOTION)

Motion Force (MOTION)

Returns a force or torque component induced by a specified motion on one of the two bodies affected by the motion object.

Format

MOTION (Motion Name, On This Body, Force Component, Along/About Axes)

Arguments

 
Motion Name
(Required) Motion for which the force is measured.
On This Body
(Required) Body on which the force is measured.
The legal values are:
■0 = forces and torques on the first body, at the I marker
■1 = forces and torques on the second body, at the J marker
Force Component
(Required) Force or torque component you want to measure.
The legal values are:
■Fm = 1 = force magnitude
■Fx = 2 = x component of the force
■Fy = 3 = y component of the force
■Fz = 4 = z component of the force
■Tm = 5 = torque magnitude
■Tx = 6 = x component of the torque
■Ty = 7 = y component of the torque
■Tz = 8 = z component of the torque
Along/About Axes
(Optional)
Coordinate system marker in which the results are measured.
To have your results measured in the global coordinate system, do one of the following:
■If you're entering your function through the Assist dialog box, leave the Along/About Axes text box empty.
■If you're entering your function directly in the function text box, enter a 0.

Example

The following function returns the z component of the torque vector acting on the second body (at the J marker) affected by .model_1.motion_1, measured about the z-axis of .model_1.ground.marker_11:
MOTION(.model_1.motion_1, 1, 8, .model_1.ground.marker_11)
Learn more about force in object functions.