MOTION

This function returns the specified component of the force or torque due to the Motion_Joint or Motion_Marker element.

Format

MOTION(id, jflag, comp, RM)

Arguments

id

The ID of the Motion_Joint or Motion_Marker element.

jflag

jflag equal to 0 or 1 means that forces and moments are reported at the I or J marker, respectively.

comp

1: returns the force magnitude.
2: returns the force x component.
3: returns the force y component.
4: returns the force z component.
5: returns the torque magnitude.
6: returns the torque x component.
7: returns the torque y component.
8: returns the torque z component.

RM

The reference frame in which components are reported. RM=0 implies global frame.

Example

<POST_REQUEST
     comment         = "RACK MOTION FORCE ON RACK HOUSING IN J/RM"
     id              = "9000268"
     type            = "EXPRESSION"
     expr1           = "NULL"
     expr2           = "MOTION(308002,0,2,30702031)"
     expr3           = "MOTION(308002,0,3,30702031)"
     expr4           = "MOTION(308002,0,4,30702031)"
     expr5           = "NULL"
     expr6           = "NULL"
     expr7           = "NULL"
     expr8           = "NULL"
/>