*CONTACT_AUTOMATIC_SINGLE_SURFACE
LS-DYNA Input Interface KeywordDefine automatic single contact interface between elements.
Format
(1) | (2) | (3) | (4) | (5) | (6) | (7) | (8) |
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*CONTACT_AUTOMATIC_SINGLE_SURFACE_{OPTION3} |
If OPTION3 = ID, insert the following line.
(1) | (2) | (3) | (4) | (5) | (6) | (7) | (8) |
---|---|---|---|---|---|---|---|
inter_ID | Title |
(1) | (2) | (3) | (4) | (5) | (6) | (7) | (8) |
---|---|---|---|---|---|---|---|
SSID | SSTYP | ||||||
FS | FD | DC | Tstart | Tstop | |||
SFS | SST | SFTS | FSF |
Optional Card A
(1) | (2) | (3) | (4) | (5) | (6) | (7) | (8) |
---|---|---|---|---|---|---|---|
SOFT |
Optional Card B
(1) | (2) | (3) | (4) | (5) | (6) | (7) | (8) |
---|---|---|---|---|---|---|---|
Optional Card C
(1) | (2) | (3) | (4) | (5) | (6) | (7) | (8) |
---|---|---|---|---|---|---|---|
DTSTIF |
Definition
Field | Contents | SI Unit Example |
---|---|---|
OPTION3 |
|
|
inter_ID | Contact interface identifier. (Integer) |
|
Title | Contact interface title. (Character, maximum 70 characters) |
|
SSID | Set or part identifier. (Integer) |
|
SSTYP | Input set type.
(Integer) |
|
FS | Static friction coefficient. (Real) |
|
FD | Dynamic friction coefficient. (Real) |
|
DC | Exponential decay coefficient. | |
Tstart | Start time. (Real) |
|
Tstop | Stop time. Default = 1E+30 (Real) |
|
SST | Stiffness scale factor. (Real) |
|
SFS | Maximum gap value. (Real) |
|
SFTS | Contact gap scale. (Real) |
|
FSF | Coulomb friction coefficient scale factor. | |
SOFT | Contact stiffness definition flag.
(Integer) |
|
DTSTIF | Time step used for stiffness
calculation. Used only if SOFT >
0. (Real) |
Comments
- This keyword maps to /INTER/TYPE25.