*HEADING
*IMPORT, STEP=1, INT=2, UPDATE=NO, STATE=YES
 RIG, DEF
*IMPORT NSET
 REF, BOT, TOP
*surface, NAME=SL
 DEF,S1
*surface, NAME=MA
 RIG, SPOS
*CONTACT PAIR, INTERACTION=INT
 SL, MA
*SURFACE INTERACTION, NAME=INT
*FRICTION
 0.1, 
*BOUNDARY
 999,1,2
 999,6,6
*RESTART, WRITE
*FILE FORMAT, ZERO INCREMENT
*STEP, NLGEOM, INC=100
*STATIC
 0.01, 1.0, 0.1
*BOUNDARY, FIXED
 TOP,2
 TOP,1
*EL FILE, ELSET=DEF
 S,E
*NODE FILE
 U,COORD
*CONTACT FILE
*OUTPUT,HISTORY,VARIABLE=PRESELECT
*OUTPUT,FIELD
*NODE OUTPUT
 COORD,
*ELEMENT OUTPUT
S,LE,PE,PEEQ
*END STEP
*STEP, NLGEOM, INC=100
*STATIC
 0.1,1.0
*BOUNDARY
 TOP,1,1,7.5
*END STEP