*HEADING
: *CONTACT INTERFERENCE,TYPE=ELEMENT SIMPLE ALLOW. INTERFER.  [GAPUNI]
*NODE
1,
2,1.,
3,1.,1.2,
4,,1.2
11,-1.,1.
12,2.,1.
13,2.,3.
14,-1.,3.
*ELEMENT,TYPE=CPE4,ELSET=BOT
1,1,2,3,4
*ELEMENT,TYPE=CPE4,ELSET=TOP
11,11,12,13,14
*SOLID SECTION,ELSET=TOP,MATERIAL=MAT
*SOLID SECTION,ELSET=BOT,MATERIAL=MAT
*MATERIAL,NAME=MAT
*ELASTIC
1.E5,0.
*BOUNDARY
1,1,2
2,1,2
13,1,2
14,1,2
*ELEMENT,TYPE=GAPUNI,ELSET=INTER
21,4,11
22,3,12
*GAP,ELSET=INTER
-.2,0.,1.,0.
*STEP,INC=10,NLGEOM
*STATIC
0.2,1.,0.2,0.2
*CONTACT INTERFERENCE,TYPE=ELEMENT
INTER,0.2
*OUTPUT,FIELD
*ELEMENT OUTPUT
S,
*OUTPUT,FIELD
*NODE OUTPUT
U,
*PRINT,CONTACT=YES
*ENDSTEP