*HEADING
 2-D CONSOLIDATION - FINITE STRAIN EXAMPLE
*NODE,INPUT=CONSOL.NOD,NSET=NODES
*NSET,NSET=CLINE,GENERATE
*NSET,NSET=BOT,GENERATE
*NSET,NSET=WALL,GENERATE
*NSET,NSET=TOP,GENERATE
*ELEMENT,TYPE=CPE8RP
*ELGEN,ELSET=SOIL
*SOLID SECTION,ELSET=SOIL,MATERIAL=A1
*MATERIAL,NAME=A1
*ELASTIC
1000.,
*PERMEABILITY,SPECIFIC=1.0
2.E-6,1.
2.E-5,1.5
*BOUNDARY
CLINE,1
BOT,2
WALL,1
TOP,8
*INITIAL CONDITIONS,TYPE=RATIO
NODES,1.5
*RESTART,WRITE,FREQUENCY=25
*STEP,NLGEOM,AMPLITUDE=RAMP
SET UP INITIAL PORE PRESSURES
*SOILS,CONSOLIDATION
*DLOAD
101,P1,500.
201,P1,500.
301,P1,500.
*NODE PRINT,FREQUENCY=5,NSET=CLINE
U,RF,POR,RVT
***PRINT,RESIDUAL=NO,FREQUENCY=5
*EL PRINT,FREQUENCY=25,POSITION=CENTROID
S , MISES, E
*NODE FILE,NSET=CLINE,FREQUENCY=25
U,
POR,
*END STEP
*STEP,NLGEOM,INC=500
  CONSOLIDATE
*SOILS,CONSOLIDATION,UTOL=15.
*END STEP