*HEADING
EIA2TSCC: PORE PRESSURE COUPLED CONTACT (CAX4P) (FINITE SLIDING)
*RESTART, WRITE, F=2
*NODE,NSET=ALL
1,1.,1.
7,1.,7.
11,2.,1.
17,2.,7.
101,2.,3.
105,2.,5.
111,3.,3.
115,3.,5.
*NGEN,NSET=ALL
1,7,1
11,17,1
101,105,1
111,115,1
*NSET,NSET=BOT,GEN
1,7,1
*NSET,NSET=TOP,GEN
111,115,1
**
*ELEMENT,TYPE=CAX4PT,ELSET=DEAD
1,3,1,11,13
3,7,5,15,17
*SOLID SECTION,ELSET=DEAD,MATERIAL=DEAD
*MATERIAL,NAME=DEAD
*ELASTIC
30.E6,
*PERMEABILITY,SPECIFIC=1.0
 1.E-4, 
*CONDUCTIVITY
11.9
*SPECIFIC HEAT
40.
*DENSITY
1000.
**
*ELEMENT,TYPE=CAX4PT,ELSET=ACTIVE
2,5,3,13,15
101,103,101,111,113
102,105,103,113,115
*SOLID SECTION,ELSET=ACTIVE,MATERIAL=ACTIVE
*MATERIAL,NAME=ACTIVE
*ELASTIC
30.E6,
*PERMEABILITY,SPECIFIC=1.0
 1.E-4, 
*CONDUCTIVITY
11.9
*SPECIFIC HEAT
40.
*DENSITY
1000.
**
*surface,NAME=MAS
1,S3
2,S3
3,S3
*surface,NAME=SLA
101,S1
102,S1
*CONTACT PAIR,INTERACTION=ISLS
SLA, MAS
*SURFACE INTERACTION,NAME=ISLS
1.0,
**
*INITIAL CONDITIONS,TYPE=RATIO
ALL, 1.0
*INITIAL CONDITIONS,TYPE=PORE PRESSURE
ALL, 100.0
*INITIAL CONDITIONS,TYPE=TEMPERATURE
ALL, 0.0
**
*STEP,INC=50,NLGEOM,AMP=STEP,UNSYMM=YES
Step 1
*SOIL, CONSOLIDATION
1,1.
*BOUNDARY
BOT,1,1
1,2,2
7,2,2
113,2,2
*DLOAD
101,P3,100.
102,P3,100.
*DFLOW
101,S3,1.e-4
102,S3,1.e-4
1,S1,-1.e-4
2,S1,-1.e-4
3,S1,-1.e-4
**
*EL PRINT,F=100
S,E
*PRINT,CONTACT=YES
*CONTACT PRINT
CAREA, TPFL
*OUTPUT,FIELD
*END STEP
**
*STEP,INC=50,NLGEOM,AMP=RAMP
Step 2
*SOIL, CONSOLIDATION
1,1.
*BOUNDARY,FIXED
TOP,1,1
*BOUNDARY
113,2,2,1.5
*CONTACT PRINT
CAREA, TPFL
*OUTPUT,FIELD
*CONTACT OUTPUT,VARIABLE=PRESELECT
*END STEP