*MAT_S03 (SPRING_ELASTOPLASTIC)
LS-DYNA Input Interface KeywordThis keyword defines an elasto-plastic spring material.
Format
(1) | (2) | (3) | (4) | (5) | (6) | (7) | (8) |
---|---|---|---|---|---|---|---|
*MAT_S03 or *MAT_SPRING_ELASTOPLASTIC | |||||||
mat_ID | K | KT | FY |
Definition
Field | Contents | SI Unit Example |
---|---|---|
mat_ID | Material identifier (Integer, maximum 10 digits) |
|
K | Linear Stiffness (Real) |
|
KT | Harderning Stiffness (Real) |
|
FY | Yield force or moment (Real) |
or |
Comments
- 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 the units.
- 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.