*HEADING
  TIE A SECONDARY SURFACE WITH A RIGID MAIN SURFACE DEFINED 
  BY R3D4 ELEMENT
  File name: xtie_r3d4
*NODE,NSET=NALL
101,0.0,0.0
102,1.0,0.0
103,1.0,0.8
104,0.0,0.8
1101,0.0,-1.0
1102,1.0,-1.0
1103,1.0,-0.2
1104,0.0,-0.2
105,1.1,-1.2
108,1.1,1.0
201,0.0,0.0,1.0
202,1.0,0.0,1.0
203,1.0,0.8,1.0
204,0.0,0.8,1.0
1201,0.0,-1.0,1.0
1202,1.0,-1.0,1.0
1203,1.0,-0.2,1.0
1204,0.0,-0.2,1.0
205,1.1,-1.2,1.0
208,1.1,1.0,1.0
999,3.0,0.5,0.5
*ELEMENT,TYPE=C3D8,ELSET=SELE
101,101,102,103,104,201,202,203,204
1101,1101,1102,1103,1104,1201,1202,1203,1204
*ELEMENT,TYPE=R3D4,ELSET=RELE
102,108,105,205,208
*RIGID BODY,ELSET=RELE,REF NODE=999
*SOLID SECTION, ELSET=SELE,MATERIAL=AL
*MATERIAL,NAME=AL
*ELASTIC
1,0.3
*SURFACE,NAME=LEFT1
101,S4
*NSET,NSET=LEFT2
1102,1103,1202,1203
*SURFACE,NAME=LEFT2,TYPE=NODE
LEFT2,1.0
*SURFACE,NAME=RIGHT
102,SPOS
*TIE,NAME=AAA,POSITION TOLERANCE=0.2
LEFT1,RIGHT
LEFT2,RIGHT
*BOUNDARY
999,1,5
**
*STEP,NLGEOM=YES
*STATIC
*BOUNDARY
999,6,,1.0
**101,1,3,-0.1
**104,1,3,-0.1
**201,1,3,-0.1
**204,1,3,-0.1
*NODE PRINT,FREQ=0
U,RF
*EL FILE
S,
E,
*NODE FILE
U,
*END STEP