*INITIAL_STRAIN_SHELL

LS-DYNA Input Interface KeywordInitializes the strain for shell elements in the global coordinate system.

Format

(1) (2) (3) (4) (5) (6) (7) (8)
*INITIAL_STRAIN_SHELL
section_title
ELE_ID npg nb_integr LARGE

For each in plane point npg and for each integration point nb_integr.

If LARGE = 0:
(1) (2) (3) (4) (5) (6) (7) (8)
EPSxx EPSyy EPSzz EPSxy EPSyz EPSzx T
If LARGE = 1:
(1) (2) (3) (4) (5) (6) (7) (8) (9) (10)
EPSxx EPSyy EPSzz EPSxy EPSyz
EPSzx T            

Definition

Field Contents SI Unit Example
ELE_ID 3 nodes or 4 nodes shell element identifier.

(Integer, maximum 10 digits)
npg Number of in-plane integration points.
nb_integr Number of integration point through the thickness.
LARGE Line format flag:
= 1
Large format
(16 character per field)
EPSxx Strain tensor component xx in the global coordinate system.
EPSyy Strain tensor component yy in the global coordinate system.
EPSzz Strain tensor component zz in the global coordinate system.
EPSxy Strain tensor component xy in the global coordinate system.
EPSyz Strain tensor component yz in the global coordinate system.
EPSzx Strain tensor component zx in the global coordinate system.
T Parametric position of the integration points throughout the thickness (between -1 and 1 inclusive).

Comments

  1. This keyword maps to /INISHE/STRA_F/GLOB or /INISH3/STRA_F/GLOB.
  2. If npg and nb_integr are not defined (set to 0), only the outer and the inner layer are set in the card.