*HEADING
Submodel analysis: 4 x 4 mesh with cax4rp.     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=CAX4RP, ELSET=EALL
1,1,21,23,3
*ELGEN,ELSET=EALL
1,4,2,1,4,20,4
*ELSET,ELSET=EFLOW2
13,14,15,16
*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