*HEADING
PORE PRESSURE COUPLED CONTACT (CPE4RPT) (NO SLIDING)
*NODE,NSET=NALL
101,-0.0,0
102,1.0,0
103,1.0,1
104,-0.0,1.0
**
105,0.0,1.0
106,1.0,1.0
107,1.0,2.0
108,0.0,2.0
*ELEMENT,TYPE=CPE4RPT,ELSET=BOT
11,101,102,103,104
*ELEMENT,TYPE=CPE4RPT,ELSET=UP
21,105,106,107,108
*ELSET,ELSET=EALL
BOT,UP
*SOLID SECTION,ELSET=EALL,MATERIAL=MAT
*MATERIAL,NAME=MAT
*ELASTIC
30.E6,0.0
*PERMEABILITY,SPECIFIC=1.0
 1.E-4, 
*CONDUCTIVITY
10.000, 
*SPECIFIC HEAT
0.001, 
*DENSITY
1000.,
**
*SURFACE,NAME=MAS
BOT,S3
*SURFACE,NAME=SLA
UP,S1
*SURFACE INTERACTION,NAME=ISLS
1.,
*CONTACT PAIR,INTERACTION=ISLS
SLA, MAS
*BOUNDARY
101,1,2
102,1,2
108,1,1
*INITIAL CONDITIONS,TYPE=RATIO
NALL,1.
**############
**   STEP 1
**############
*STEP,INC=10
*SOILS,CONSOLIDATION
0.1 , 1
*BOUNDARY
101,8,8,1
102,8,8,1
107,8,8,2
108,8,8,2
NALL,11,11,0
*DLOAD
21,P3,10.
*CONTACT PRINT,F=10
PFL,PFLA,PTL,PTLA
TPFL,TPTL
**
*CONTACT FILE,F=10
CAREA,
PFL, PFLA, PTL, PTLA
TPFL,TPTL
*OUTPUT,FIELD,FREQ=10
*CONTACT OUTPUT
PFL,PFLA,PTL,PTLA
*NODE PRINT,F=10
POR,
*NODE FILE,F=10
POR,
*OUTPUT,FIELD,FREQ=10, VARIABLE=PRESELECT
*NODE OUTPUT
POR,
*EL PRINT, F=0
*END STEP