# FORCE

Bulk Data Entry Defines a static force at a grid point or a SET of grid points by specifying a vector.

## Format

(1) (2) (3) (4) (5) (6) (7) (8) (9) (10)
FORCE SID GID/

GSETID

CID F N1 N2 N3 FLLW
GSET

## Example

(1) (2) (3) (4) (5) (6) (7) (8) (9) (10)
FORCE 2 5 6 2.9 0.0 1.0 0.0 ROT

## Definitions

Field Contents SI Unit Example

(Integer > 0)

GID/GSETID GID:

Grid or scalar point identification number.

(Integer > 0 or <PartName.number>) 2

GSETID:

An identification for a SET of grid points. In this case, the GSET continuation line must be specified.
Integer
Specifies an identification number for the set.
<String>
Specifies a user-defined string label for the set. 4

(Integer > 0 or <String>)

CID Coordinate system identification number. A CID of zero or blank references the basic coordinate system.

Default = 0 (Integer ≥ 0, or blank)

F Scale factor.

(Real)

N1,N2,N3 Components of vector measured in the coordinate system defined by CID.

(Real; must have at least one non-zero component)

GSET Flag which indicates that the GID/GSETID field is identified as a SET of grid points at which the forces are applied.
FLLW Follower load activation options flag.
ROT
Activates the follower effect based on the rotation of the node, if either of the following is specified:
• PARAM, FLLWER
• FLLW Bulk Data Entry (along with the FLLWER Subcase Information Entry).
Blank (Default)
The follower effect is not activated even if either of the following is specified:
• PARAM, FLLWER
• FLLW Bulk Data Entry (along with the FLLWER Subcase Information Entry).

(Characters)

$\stackrel{\to }{\text{f}}=\text{F}\stackrel{\to }{\text{N}}$
Where, $\stackrel{\to }{\text{N}}$ is the vector defined in fields 6, 7, and 8.