*HEADING
Submodel analysis: 4 x 4 x 2 mesh with cax6mp.     File name: 
***PREPRINT,ECHO=YES,HISTORY=NO,MODEL=NO
*RESTART,WRITE,FREQ=1
*NODE
 1, 1.95
81, 4.
89, 4.,3.45
 9, 1.95,3.45
*NGEN,NSET=NL
1,9,1
*NGEN,NSET=NR
81,89,1
*NFILL,NSET=ALL
NL,NR,8,10
*NSET,NSET=FIX1,GEN
11,81,10
*NSET,NSET=FIX2,GEN
81,89
*NSET,NSET=FIX3,GEN
9,89,10
*NSET,NSET=FIX4,GEN
1,9
*NSET,NSET=NALL
FIX1,FIX2,FIX3,FIX4
*ELEMENT, TYPE=CAX6MP, ELSET=EALL
11,1,21,23,11,22,12
12,21,41,43,31,42,32
13,41,61,63,51,62,52
14,61,81,83,71,82,72
21,1,23,3,12,13,2
22,21,43,23,32,33,22
23,41,63,43,52,53,42
24,61,83,63,72,73,62
31,3,23,25,13,24,14
32,23,43,45,33,44,34
33,43,63,65,53,64,54
34,63,83,85,73,84,74
41,3,25,5,14,15,4
42,23,45,25,34,35,24
43,43,65,45,54,55,44
44,63,85,65,74,75,64
51,5,25,27,15,26,16
52,25,45,47,35,46,36
53,45,65,67,55,66,56
54,65,85,87,75,86,76
61,5,27,7,16,17,6
62,25,47,27,36,37,26
63,45,67,47,56,57,46
64,65,87,67,76,77,66
71,7,27,29,17,28,18
72,27,47,49,37,48,38
73,47,67,69,57,68,58
74,67,87,89,77,88,78
81,7,29,9,18,19,8
82,27,49,29,38,39,28
83,47,69,49,58,59,48
84,67,89,69,78,79,68
*ELSET,ELSET=EFLOW2
14,34,54,74
*SOLID SECTION,MATERIAL=A1, ELSET=EALL
*MATERIAL,NAME=A1
*ELASTIC
 1.E8, 
*PERMEABILITY,SPECIFIC=1.0
 1.E-5, 
*DENSITY
  1.4142, 
*INITIAL CONDITIONS,TYPE=RATIO
ALL,1.
*SUBMODEL
NALL,
*STEP
*SOILS, CONSOLIDATION
 1. , 1.
*ENERGY FILE
*EL FILE
 LOADS,
 IVOL,
 EVOL,
*NODE FILE
U,RF,POR,RVT
*EL PRINT,TOTALS=YES
 LOADS,
 IVOL,
 EVOL,
*NODE PRINT
 RF, 
 POR, 
*BOUNDARY
FIX1, 2
*BOUNDARY,SUBMODEL,STEP=1
FIX3,1,2
FIX3,8
FIX4,1,2
FIX4,8
*FLOW, OP=NEW
EFLOW2, Q2, 14.7, 2.E-3
*END STEP