*CONTACT_TIEBREAK

LS-DYNA Input Interface KeywordDefines tied contact between entities without failure.

Format

(1) (2) (3) (4) (5) (6) (7) (8)
*CONTACT_TIEBREAK_{OPTION2}_{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 MSID SSTYP MSTYP
Blank line
    SST MST SFST SFMT
Blank line

Definition

Field Contents SI Unit Example
OPTION2
NODES_TO_SURFACE
Tied contact between node and surface.
NODES_ONLY
Tied contact between node and surface.
OPTION3
ID
Include a contact identifier and title.
inter_ID Contact ID.

(Integer)
Title Contact title (when OPTION3=ID is defined).

(Character)
SSID Secondary nodal set.

(Integer)
MSID Main surface set.

(Integer)
SSTYP Input secondary set type:
= 0
Segment set ID.
= 1
Shell element set ID.
= 2
Part set ID.
= 3
Part ID.
= 5
All parts (SID is ignored).
= 6
Part set ID. All parts are included in the contact, except the one defined in the part set ID.
= 7
Subset set ID.

(Integer)
MSTYP Input main set type:
= 0
Segment set ID.
= 1
Shell element set ID.
= 2
Part set ID.
= 3
Part ID.
= 5
All parts (SID is ignored).
= 6
Part set ID. All parts are included in the contact, except the one defined in the part set ID.
= 7
Subset set ID.

(Integer)
SST Secondary maximum gap value.

(Real)

 [ m ]
MST Main maximum gap value.

(Real)

 [ m ]
SFTS Secondary contact gap scale.

(Real)
SFMT Main contact gap scale.

(Real)

Comments

  1. This keyword maps to /INTER/TYPE2 with Spotflag = 28.
  2. Failure behavior is not taken into account.