*HEADING
: SIMPLE CONTACT TEST, 3D FINITE SLIDING, TRANSFORM, NOFRICTION
*ELEMENT,TYPE=C3D20,ELSET=SOLID
1, 1,3,13,11,101,103,113,111,2,1003,12,1001,102,1103,112,
   1101,1011,1013,1113,1111
2, 3,5,15,13,103,105,115,113,4,1005,14,1003,104,1105,114,
   1103,1013,1015,1115,1113
3, 5,7,17,15,105,107,117,115,6,1007,16,1005,106,1107,116,
   1105,1015,1017,1117,1115
4, 21,23,33,31,121,123,133,131,22,1123,32,1121,122,1133,132,
   1131,1021,1023,1033,1031
*ELSET,ELSET=BASE
1,2,3
*ELSET,ELSET=SLIDER
4, 
*NODE,NSET=NALL
1,0.0,0.0
7,7.5,0.0
11,0.0,2.0
17,7.5,2.0
21,0.5,2.1
23,2.25,2.1
31,0.5,4.1
33,2.25,4.1
101,0.0,0.0,2.5
107,7.5,0.0,2.5
111,0.0,2.0,2.5
117,7.5,2.0,2.5
121,0.5,2.1,2.5
123,2.25,2.1,2.5
131,0.5,4.1,2.5
133,2.25,4.1,2.5
1001,0.0,1.0
1007,7.5,1.0
1011,0.0,0.0,1.25
1017,7.5,0.0,1.25
1101,0.0,1.0,2.5
1107,7.5,1.0,2.5
1111,0.0,2.0,1.25
1117,7.5,2.0,1.25
1021,0.5,2.1,1.25
1023,2.25,2.1,1.25
1121,0.5,3.1
1123,2.25,3.1
1031,0.5,4.1,1.25
1033,2.25,4.1,1.25
1131,0.5,3.1,2.5
1133,2.25,3.1,2.5
*NGEN,NSET=NALL
1,7
11,17
21,23
31,33
101,107
111,117
121,123
131,133
1001,1007,2
1011,1017,2
1101,1107,2
1111,1117,2
*NSET,NSET=BOTTOM,G
1,7
101,107
1011,1017,2
*NSET,NSET=TOP,G
31,33
131,133
1031,1033,2
*NMAP,NSET=NALL,TYPE=RECTANGULAR
0,0,0,.8,.0,.6
.48,.6,-.64
*TRANSFORM,NSET=NALL
.8,.0,.6,.48,.6,-.64
*SOLID SECTION, ELSET=SOLID,MATERIAL=STEEL
*surface, NAME=SSLIDE
SLIDER, S3
*surface, NAME=SBASE
BASE, S5
*SURFACE INTERACTION, NAME=NOFRIC
*CONTACT PAIR,INTERACTION=NOFRIC
SSLIDE, SBASE
*MATERIAL,NAME=STEEL
*ELASTIC
 30.E6,0.3
*BOUNDARY
1,1
11,1
101,1
111,1
1001,1
1011,1
1101,1
1111,1
BOTTOM,2
NALL,3
*STEP,NLGEOM,INC=20,UNSYMM=YES
 FIRST COMPRESS
*STATIC,DIRECT
0.67,1.
*CONTROLS,PARAMETERS=FIELD
1.0E-6, 
*BOUNDARY
TOP,1
TOP,2,2,-.15
*PRINT,CONTACT=YES
*CONTACT PRINT
*CONTACT FILE
*EL PRINT
S, 
E, 
*NODE PRINT
U,
RF,
*EL FILE,FREQ=5
S, 
E, 
*NODE FILE,FREQ=5
U,RF
*END STEP
*STEP,INC=30,UNSYMM=YES
SLIDE TO THE RIGHT
*STATIC
.2,1.
*BOUNDARY
TOP,2,2,-.15
TOP,1,1,4.
*END STEP