*MAT_S05 (DAMPER_NONLINEAR_VISCOUS)
LS-DYNA Input Interface KeywordThis keyword defines a nonlinear damper spring material.
Format
| (1) | (2) | (3) | (4) | (5) | (6) | (7) | (8) |
|---|---|---|---|---|---|---|---|
| *MAT_S05 or *MAT_DAMPER_NONLINEAR_VISCOUS | |||||||
| mat_ID | LCD | ||||||
Definition
| Field | Contents | SI Unit Example |
|---|---|---|
| mat_ID | Material identifier (Integer) |
|
| LCD | Curveidentifier for force vs elongation velocity or moment vs
rotational velocity (Real) |
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.