*HEADING
: PORE PRESSURE INTERFACE WITHOUT GAP FLOW, INTERFERENCE  [CONTACT PAIR]
*RESTART,WRITE
*NODE,NSET=NALL
*NSET,NSET=NBOT
*NSET,NSET=NTOP
*ELEMENT,TYPE=CPE8P,ELSET=CONT
*surface,NAME=MAS
1,S3
*surface,NAME=SLA
2,S1
*CONTACT PAIR,INTERACTION=ISLS, Small sliding, TYPE=SURFACE TO SURFACE
SLA, MAS
*SURFACE INTERACTION,NAME=ISLS
0.5,
*SOLID SECTION,ELSET=CONT,MATERIAL=CONT
.5,
*MATERIAL,NAME=CONT
*ELASTIC
1.E8,
*PERMEABILITY
1.E-4,
*INITIAL CONDITIONS,TYPE=RATIO
NALL,1.0
*BOUNDARY
NALL,1
NBOT,2
NTOP,2
NTOP,8
**
** RESOLVE OVERCLOSURE AND APPLY PORE PRESSURE GRADIENT
**
*STEP, INC=150
*SOILS, CONSOLIDATION
*BOUNDARY
NBOT,8,8,-100.
*NODE FILE, FREQ=999
POR,
*OUTPUT,FIELD,FREQ=999
*NODE OUTPUT
POR,
*CONTACT FILE, FREQ=999
CSTRESS, CDISP
TPFL, TPTL
*OUTPUT,FIELD,FREQ=999
*CONTACT OUTPUT
CSTRESS,CDISP
*CONTACT PRINT, FREQ=999
CSTRESS, CDISP
TPFL, TPTL
*NODE PRINT, F=999
U,
*EL PRINT, F=999
S,E
*END STEP