LS-DYNA Input Interface KeywordDefines an isotropic, linear elastic material using Hooke’s law.


(1) (2) (3) (4) (5) (6) (7) (8)
mat_ID ρ i E υ    


Field Contents SI Unit Example
mat_ID Material identifier.


ρ i Initial density.


[ kg m 3 ]
E Young’s modulus.


[ Pa ]
υ Poisson’s ratio.

Default = 0 (Real)


  1. This keyword maps to /MAT/LAW1 (ELAST).
  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.