*HEADING
 GEOTECHNICAL ANALYSIS WITH CAX8P,CAX8RP,CAX8PH and CAX8RPH ELEMENTS AND
 DIFFERENT MATERIALS: COMPUTATION OF INITIAL STATE WITH
 ZERO (SMALL) DISPLACEMENTS
**
**   .................... PART DEFINITION
**
*PART,NAME=PART2
  *NODE,NSET=SOIL
   **
  *NSET,NSET=TOP
  *NSET,NSET=BOTTOM
  *NSET,NSET=LEFT
  *ELEMENT,TYPE=CAX8P,ELSET=SOIL
  *ELEMENT,TYPE=CAX8RP,ELSET=SOIL
*END PART
*PART,NAME=PART4
  *NODE,NSET=SOIL
   **
   **
   **
  *NSET,NSET=TOP
  *NSET,NSET=BOTTOM
  *NSET,NSET=LEFT
  *ELEMENT,TYPE=CAX8P,ELSET=SOIL
  *ELEMENT,TYPE=CAX8RP,ELSET=SOIL
  *ELEMENT,TYPE=CAX8PH,ELSET=SOIL
  *ELEMENT,TYPE=CAX8RPH,ELSET=SOIL
*END PART
**
**   .................... ASSEMBLY
**
*ASSEMBLY,NAME=GEOASSEMBLY
**
**   ... INSTANCES
**
*INSTANCE,NAME=IELA,PART=PART4
 *SOLID SECTION,MATERIAL=MATELA, ELSET=SOIL
*END INSTANCE
*INSTANCE,NAME=IPOR,PART=PART2
 *SOLID SECTION,MATERIAL=MATPOR, ELSET=SOIL
*END INSTANCE
*END ASSEMBLY
**
**   .................... SETS
**
*NSET,NSET=TOP
 IELA.TOP,IPOR.TOP
*NSET,NSET=BOTTOM
 IELA.BOTTOM,IPOR.BOTTOM
*NSET,NSET=LEFT
 IELA.LEFT,IPOR.LEFT
*NSET,NSET=SOIL
 IELA.SOIL,IPOR.SOIL
*ELSET,ELSET=SOIL
 IELA.SOIL,IPOR.SOIL
**
**   .................... MATERIALS
**
**   ... Elastic
**
*MATERIAL,NAME=MATELA
*ELASTIC
 1000.0,0.3
*PERMEABILITY,SPECIFIC=10.0
 1.0,0.0
**
**   ... Porous Elastic
**
*MATERIAL,NAME=MATPOR
*POROUS ELASTIC
*PERMEABILITY,SPECIFIC=10.0
 1.0,0.0
**
**   .................... INITIAL CONDITIONS
**
*INITIAL CONDITIONS,TYPE=RATIO
 SOIL,1.08,0.,1.08,1.
**
**   .................... ZERO BOUNDARY CONDITIONS
**
*BOUNDARY
 LEFT,   1,1
 BOTTOM, 2,2
**
**   .................... STEP
**
*STEP,UNSYM=YES
  GEOSTATIC INITIAL STRESS STATE
*GEOSTATIC,UTOL
*DLOAD
 SOIL,P2,100.
*BOUNDARY
 BOTTOM, 8,8
 TOP,    8,8, 100.0
*OUTPUT,FIELD,FREQ=10
*ELEMENT OUTPUT
 S,E,PE
*NODE OUTPUT
 U,POR
*END STEP