*PART

LS-DYNA Input Interface KeywordDefines a part, which combines material and property information.

Format

(1) (2) (3) (4) (5) (6) (7) (8)
*PART_{OPTION1}_{OPTION2}
part_title
part_ID sec_ID mat_ID  
If OPTION1 = INERTIA, insert the following lines
(1) (2) (3) (4) (5) (6) (7) (8)
XCOG YCOG ZCOG TM   node_ID    
IXX IXY IXZ IYY IYZ IZZ    
VTX VTY VTZ VRX VRY VRZ    
If OPTION2 = CONTACT, insert the following line
(1) (2) (3) (4) (5) (6) (7) (8)
        Thick      

Definition

Field Contents SI Unit Example
OPTION1
INERTIA
Optional flag to input mass, inertia and initial velocity for rigid components.
OPTION2
CONTACT
Optional flag to input contact thickness.
part_title Component title.

(Character, maximum 80 characters)
part_ID Part identifier.

(Integer)
sec_ID Section identifier of the elements in the part.

(Integer)
mat_ID Material identifier of the elements in the part.

(Integer)
XCOG, YCOG, ZCOG Coordinates of part center of gravity.

Default = 0 (Real)
TM Mass of rigid part.

Default = 0 (Real)
node_ID Node number for part center of gravity.

(Integer)
IXX, IXY, IXZ, IYY, IYZ, IZZ Inertia tensor of the rigid body.

Default = 0 (Real)
VTX, VTY, VTZ Initial translational velocity applied to the rigid component.

Default = 0 (Real)
VRX, VRY, VRZ Initial rotational velocity applied to the rigid component.

Default = 0 (Real)
Thick Optional part thickness in contact.

Default = 0 (Real)

Comments

  1. The *PART keyword maps to /PART.
  2. The *PART_INERTIA keyword maps to /PART, /RBODY, and /INIVEL and the center of gravity, inertia, and mass of the part are calculated automatically by default. XCOG, YCOG, ZCOG are ignored, if node_ID is specified.