*INITIAL_VELOCITY

LS-DYNA Input Interface KeywordDefines initial velocity of a node set.

Format

(1) (2) (3) (4) (5) (6) (7) (8)
*INITIAL_VELOCITY
set_ID Exset_ID   IRIGID CID      
VX VY VZ VXR VYR VZR    
Read if Exset_ID > 0
(1) (2) (3) (4) (5) (6) (7) (8)
Blank

Definition

Field Contents SI Unit Example
set_ID Node set identifier.
= 0
The velocity is applied to all nodes
> 0
The velocity is applied to the nodes in the node set identifier

(Integer)
Exset_ID Node set identifier of nodes that are exempted from the initial velocities (VX, VY, VZ, VXR, VYR, VZR).

(Integer)

  
IRIGID Option to overwrite velocities defined in *PART_INERTIA or *CONSTRAINED_NODAL_RIGID_BODY_INERTIA.
= 0
No overwrite.
= -1 or -2
Overwrite.

(Integer)
CID Coordinate system identifier.

(Integer)
VX, VY, VZ Translational nodal velocity components.

(Real)

 [ m s ] MathType@MTEF@5@5@+= feaagKart1ev2aaatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaWaamWaaeaada Wcaaqaaiaab2gaaeaacaqGZbaaaaGaay5waiaaw2faaaaa@39DE@
VXR, VYR, VZR Rotational nodal velocity components.

(Real)

 [ rad s ]

Comments

  1. This keyword maps to /INIVEL.