*DEFINE_FRICTION
LS-DYNA Input Interface KeywordDefine friction table between components.
Format
(1) | (2) | (3) | (4) | (5) | (6) | (7) | (8) |
---|---|---|---|---|---|---|---|
*DEFINE_FRICTION | |||||||
FRIC_ID | FS_D | FD_D | DC_D | VC_D |
Repeat the following line to defined friction for each couple of part or set
part
(1) | (2) | (3) | (4) | (5) | (6) | (7) | (8) |
---|---|---|---|---|---|---|---|
PID_I | PID_J | FS_IJ | FD_IJ | DC_IJ | VC_IJ | TYPE_I | TYPE_J |
Definition
Field | Contents | SI Unit Example |
---|---|---|
FRIC_ID | Friction table
ID. (Integer) |
|
FS_D | Default static friction
coefficient. (Real) |
|
FD_D | Default dynamic friction
coefficient. (Real) |
|
DC_D | Default decay friction
coefficient. (Real) |
|
VC_D | Default viscous friction
coefficient. (Real) |
|
PID_I | Part or set part
ID. (Integer) |
|
PID_J | Part or set part
ID. (Integer) |
|
FS_IJ | Static friction coefficient between
parts I and J. (Real) |
|
FD_IJ | Dynamic friction coefficient
between parts I and J. (Real) |
|
DC_IJ | Decay friction coefficient between
parts I and J. (Real) |
|
VC_IJ | Viscous friction coefficient
between parts I and J. (Real) |
|
TYPE_I | Set to PSET when
PID_I is a part set number.
(Character) |
|
TYPE_J | Set to PSET when
PID_J is a part set number.
(Character) |
Comments
- This keyword maps to /FRICTION.
- 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.