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"
/>