*HEADING
 CONTACT PROBLEM - DISPLACEMENT CONTROL, COARSE MESH
*RESTART,WRITE,FREQUENCY=999
*NODE
*NODE
*NODE,NSET=FIX
**
**
*ELEMENT, TYPE=CPE6M, ELSET=EALL
**
** disp
**
*NSET, NSET=DISP
*ELEMENT,TYPE=R2D2
*ELGEN,ELSET=RIGID
*RIGID BODY,ELSET=RIGID,REF NODE=300
*surface,NAME=BOTSUR,TRIM=YES
129,S2
128,S2
120,S2
112,S2
104,S2
*surface,NAME=RIGSUR
RIGID,SPOS
*CONTACT PAIR,INTERACTION=NO_FRI,SMALL SLIDING,HCRIT=10.0
BOTSUR,RIGSUR
*SURFACE INTERACTION,NAME=NO_FRI
1.0,
**
**
*EQUATION
DISP,2,1,272,2,-1
*BOUNDARY
       1, 1,,
       2, 1,,
       3, 1,,
       4, 1,,
       5, 1,,
       6, 1,,
       7, 1,,
       8, 1,,
*SOLID SECTION,ELSET=EALL,MATERIAL=A1,ORIENTATION=DUMMY
1.0,
*ORIENTATION,NAME=DUMMY
*NSET,NSET=SINGLE
*TRANSFORM,NSET=SINGLE
*MATERIAL,NAME=A1
*ELASTIC
 30.E6,0.3
*STEP
*STATIC,DIRECT
 1.,
*BOUNDARY
 272,2,2,-.4
*EL FILE,POSITION=CENTROID
S,
E,
*CONTACT PRINT ,SLAVE=BOTSUR,MASTER=RIGSUR
*CONTACT FILE ,SLAVE=BOTSUR,MASTER=RIGSUR
*END STEP