*heading
** continuity of pressure for coh3d8
*Preprint, echo=NO, model=YES, history=NO, contact=NO
**
*parameter
 Emod   = 8.5E8
 thick  = 0.01325e-1
 width  = 1.0
 topInterface = thick
 bottomInterface = -thick
 topInterface = 0.0
 bottomInterface = 0.0
*node,nset=nall
1,-1.,-1.
2, 0.,-1.
3, 1.,-1. 
**4,-1.,0.
4,-1.,<bottomInterface>
5, 0., <bottomInterface>
6, 1., <bottomInterface>
**7,-1., 0.5
7,-1., <topInterface>
8, 0., <topInterface>
9, 1., <topInterface>
10,-1., 1.
11, 0., 1.
12, 1., 1. 
1001,-1.,0.
1002,0.,0.
1003,1.,0.
**
10001,-1.,-1.,-1.
10002, 0.,-1.,-1.
10003, 1.,-1.,-1. 
10004,-1.,<bottomInterface>,-1.
10005, 0., <bottomInterface>,-1.
10006, 1., <bottomInterface>,-1.
10007,-1., <topInterface>,-1.
10008, 0., <topInterface>,-1.
10009, 1., <topInterface>,-1.
10010,-1., 1.,-1.
10011, 0., 1.,-1.
10012, 1., 1.,-1. 
11001,-1.,0.,-1.
11002,0.,0.,-1.
11003,1.,0.,-1.
*nset,nset=inter
1001,1002,1003,11002,11003
*nset,nset=top
10,11,12,10010,10011,10012
*nset,nset=bottom
1,2,3,10001,10002,10003
*nset,nset=bm
4,5,6,10004,10005,10006
*nset,nset=tm
7,8,9,10007,10008,10009
*Element, type=C3D8P, elset=solid
1,1,2,10002,10001,4,5,10005,10004
2,2,3,10003,10002,5,6,10006,10005
3,7,8,10008,10007,10,11,10011,10010
4,8,9,10009,10008,11,12,10012,10011
*ELEMENT,TYPE=COH3D8P,ELSET=inter
1001,4,5,10005,10004,7,8,10008,10007,1001,1002,11002,11001
1002,5,6,10006,10005,8,9,10009,10008,1002,1003,11003,11002
*COHESIVE SECTION,ELSET=inter,MATERIAL=MAT1,RESPONSE=TRACTION SEPARATION,
THICKNESS=SPECIFIED
<thick>,1.0
*MATERIAL,NAME=MAT1
*ELASTIC,TYPE=TRACTION
<Emod>,<Emod>
*solid section,elset=solid,mat=Material-1
*Material, name=Material-1
*Elastic
 1.e9,0.3
*Permeability, specific=1.
 1.
*INITIAL CONDITIONS, TYPE=RATIO
 nall,1.
**INITIAL CONDITIONS,TYPE=INITIAL GAP
**1001
*Amplitude, name=pressure
0.0,0., 1.0, 1.
*Step, name=Step-1, nlgeom=YES, inc=1000, unsymm=YES
*Soils, consolidation, end=PERIOD, utol=1e+10
1.0, 1., 1e-05, 1.0, 
**
*boundary
bottom,8,8,0.
top,8,8,1.
**nall,1,2
**inter,1,2
bottom,1,3,0.
top,1,3,0.1
bm,1,3
tm,1,3,0.1
** 
** OUTPUT REQUESTS
** 
*Restart, write, frequency=0
** 
** FIELD OUTPUT: F-Output-1
** 
*Output, field
*Node Output
POR,u 
*element output
FLVEL
** 
*End Step