FIELD

Returns force component due to Force_Field element in reference frame of marker RM.

Format

FIELD(id, jflag, comp, RM)

Description

jflag indicates whether force acting on I or J marker is desired.

Arguments

id
The ID of the field element.
jflag
0 returns force acting on I marker and 1 returns force acting on J marker.
component
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

This request element stores the field element forces into column vectors F1 through F8 of the request "frc-expr".

<Post_Request
     comment = "frc-expr"
     id      = "70000044"
     type    = "EXPRESSION"
     expr1   = "FIELD(10,0,1, 20)"
     expr2   = "FIELD(10,0,2, 20)"
     expr3   = "FIELD(10,0,3, 20)"
     expr4   = "FIELD(10,0,4, 20)"
     expr5   = "FIELD(10,0,5, 20)"
     expr6   = "FIELD(10,0,6, 20)"
     expr7   = "FIELD(10,0,7, 20)"
     expr8   = "FIELD(10,0,8, 20)"
/>