*MAT_032 (LAMINATED_GLASS)

LS-DYNA Input Interface KeywordThis keyword defines a layered glass with polymeric layers material models.

Format

(1) (2) (3) (4) (5) (6) (7) (8)
*MAT_032 or *MAT_LAMINATED_GLASS
mat_ID ρ i E_g Νu_g SIG_g ET_g EPSP_g E_p
Νu_p SIG_p ET_p          
Add up to 4 cards (32 integration points).
(1) (2) (3) (4) (5) (6) (7) (8)
F1 F2 F3 F4 F5 F6 F7 F8
etc              
etc              
etc etc       F30 F31 F32

Definition

Field Contents SI Unit Example
mat_ID Material identifier.

(Integer)

ρ i Initial density.

(Real)

[ kg m 3 ]
E_g Glass Young’s modulus.

(Real)

[ Pa ]
Nu_g Glass Poisson’s ratio.

(Real)

SIG_g Glass yield stress.

(Real)

[ Pa ]
ET_g Glass plastic hardening modulus.

(Real)

[ Pa ]
EPSP_g Glass plastic strain failure.

(Real)

E_p Polymer Young’s modulus.

(Real)

[ Pa ]
Νu_p Polymer Poisson’s ratio.

(Real)

SIG_p Polymer yield stress.

(Real)

[ Pa ]
ET_p Polymer plastic hardening modulus.

(Real)

[ Pa ]
F1 to F32 Integration point material.
= 0
Glass material.
= 1
Polymer material.

(Real)

Comments

  1. This keyword maps to /MAT/LAW27 (PLAS_BRIT) and /PROP/TYPE11 (SH_SANDW).
  2. The option “_TITLE” can be added to the end of this keyword. When “_TITLE” is included, an extra 80 characters long line is added after the keyword input line which allows an entity title to be defined.