*CONSTRAINED_EXTRA_NODES

LS-DYNA Input Interface KeywordDefine extra nodes to add to a rigid body.

Format

(1) (2) (3) (4) (5) (6) (7) (8)
*CONSTRAINED_EXTRA_NODES_OPTION
If OPTION = NODE, insert the following line.
(1) (2) (3) (4) (5) (6) (7) (8)
part_ID node_ID Iflag      
If OPTION = SET, insert the following line.
(1) (2) (3) (4) (5) (6) (7) (8)
part_ID set_ID Iflag      

Definition

Field Contents SI Unit Example
OPTION Entity type.
NODE
A list of nodes is SET.
part_ID Part identifier of the rigid body defined as a rigid material.

(Integer)
node_ID Node identifier to add to as a secondary node to the rigid body.

(Integer)
set_ID Node set identifier to add to as a secondary nodes to the rigid body.

(Integer)
Iflag Flag for merged rigid body property (used if part_ID is PART_INERTIA).
= 0 Default
Rigid body center of gravity, mass and inertia is recomputed with all merges rigid bodies.
= 1
Rigid body center of gravity, mass and inertia keeps the value defined in part_ID.

(Integer)

Comments

  1. This keyword maps to /MERGE/RBODY.