Format

FIELD(id, jflag, comp, RM)

Description

Returns force component due to Force_Field element in reference frame of marker RM. jflag indicates whether force acting on I or J marker is desired.

Example

<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)"

/>

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

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.