*HEADING
 : Test extension of contact surface, finite sliding, CPE4
*NODE, NSET=NBLOCK1
  1, 0.0,  0.0, 0.0
  9, 8.0,  0.0, 0.0
 11, 0.0,  1.0, 0.0
 19, 8.0,  1.0, 0.0
 21, 0.0,  2.0, 0.0
 29, 8.0,  2.0, 0.0
*NGEN, NSET=NBLOCK1
  1,  9, 1
 11, 19, 1
 21, 29, 1
*NODE, NSET=NBLOCK2
 51,  0.0, 2.0, 0.0
 53,  1.0, 2.0, 0.0
 71,  0.0, 3.0, 0.0
 73,  1.0, 3.0, 0.0
*NODE, NSET=NBLOCK3
 57,  7.0, 2.0, 0.0
 59,  8.0, 2.0, 0.0
 77,  7.0, 3.0, 0.0
 79,  8.0, 3.0, 0.0
*NSET, NSET=NMOVE2
 71, 73
*NSET, NSET=NMOVE3
 77, 79
*NSET, NSET=NBASE
 1, 2, 3, 4, 5, 6, 7, 8, 9
*NSET, NSET=NALL
 NBLOCK1,
 NBLOCK2,
 NBLOCK3,
*ELEMENT, TYPE=CPE4, ELSET=EBLOCK1
 1, 23, 21, 1, 3
*ELGEN, ELSET=EBLOCK1
 1, 4, 2, 1
*ELEMENT, TYPE=CPE4, ELSET=EBLOCK2
 100, 73, 71, 51, 53
*ELEMENT, TYPE=CPE4, ELSET=EBLOCK3
 101, 79, 77, 57, 59
*ELSET, ELSET=EALL
 EBLOCK1,
 EBLOCK2,
 EBLOCK3,
*ELSET, ELSET=ETOP
 1, 2, 3, 4
*SOLID SECTION, ELSET=EALL, MAT=MAT1
*MATERIAL,NAME=MAT1
*ELASTIC
 3e6, 0.2
*surface, NAME=SBLOCK1, TRIM=YES
 ETOP, S1,
*surface, NAME=SBLOCK2, TRIM=YES
 EBLOCK2, S3
*surface, NAME=SBLOCK3, TRIM=YES
 EBLOCK3, S3
*CONTACT PAIR, INTERACTION=NOSEP, EXTENSION ZONE=0.15
 SBLOCK2, SBLOCK1
*CONTACT PAIR, INTERACTION=NOSEP, EXTENSION ZONE=0.10
 SBLOCK3, SBLOCK1
*SURFACE INTERACTION, NAME=NOSEP
 1.0,
*SURFACE BEHAVIOR, NO SEPARATION
*STEP, NLGEOM, INC=50
*STATIC
 ,1.0
*BOUNDARY, OP=NEW
 NBASE,  1, 2, 0.0
 NMOVE2, 1, 1, 0.0
 NMOVE3, 1, 1, 0.0
*DLOAD, OP=NEW
 EBLOCK2, P1, 2.0
 EBLOCK3, P1, 2.0
*PRINT, CONTACT=YES
*NODE PRINT, F=0
*EL PRINT, F=0
*CONTACT PRINT, FREQ=50
*CONTACT FILE, FREQ=50
 CSTRESS, CDISP,
*END STEP
*STEP, NLGEOM, INC=50
*STATIC
 0.1,1.0
*BOUNDARY, OP=NEW
 NBASE,  1, 2, 0.0
 NMOVE2, 1, 1,-0.30
 NMOVE3, 1, 1, 0.20
*PRINT, CONTACT=YES
*NODE PRINT, F=0
*EL PRINT, F=0
*CONTACT PRINT, FREQ=50
*CONTACT FILE, FREQ=50
 CSTRESS, CDISP,
*END STEP