LS-DYNA Input Interface KeywordThis keyword defines a nonlinear elastic spring material.


(1) (2) (3) (4) (5) (6) (7) (8)
mat_ID LCL LCR  


Field Contents SI Unit Example
mat_ID Material identifier


LCL Curve identifier for force vs displacement or moment vs rotation


[ N m ] or [ N m rad ]
LCR Curve identifier for the scale factor of force vs elongation velocity or moment vs rotational velocity




  1. This keyword maps to /PROP/TYPE8 (SPR_GENE) spring using a default mass 2.0e-03 kg and inertia 2e-02 kg * mm depending on units.
  2. The option “_TITLE” can be added to the end of this keyword. When “_TITLE” is included, an extra 80 character long line is added after the keyword input line which allows an entity title to be defined.