*HEADING
 FOAM PLASTICITY, HYDROSTATIC COMPRESSION TEST, C3D8
 WITH MULTIPLE LOAD CASES
*NODE,NSET=FACE1
 1, 0., 0., 0.
 2, 1., 0., 0.
 3, 1., 1., 0.
 4, 0., 1., 0.
*NODE,NSET=FACE2
 5, 0., 0., 1.
 6, 1., 0., 1.
 7, 1., 1., 1.
 8, 0., 1., 1.
*NSET,NSET=FACE3
 1, 2, 5, 6
*NSET,NSET=FACE4
 2, 3, 6, 7
*NSET,NSET=FACE5
 3, 4, 7, 8
*NSET,NSET=FACE6
 1, 4, 5, 8
*NSET,NSET=OUT
 7,
*ELEMENT,TYPE=C3D8,ELSET=FOAM
 1, 1, 2, 3, 4, 5, 6, 7, 8
*SOLID SECTION,ELSET=FOAM,MATERIAL=FOAM
*MATERIAL,NAME=FOAM
*ELASTIC
 3.E6, 0.2
*CRUSHABLE FOAM
 1.1, 0.1
*CRUSHABLE FOAM HARDENING
 2.200E5,  0.0
 2.465E5,  0.1
 2.729E5,  0.2
 2.990E5,  0.3
 3.245E5,  0.4
 3.493E5,  0.5
 3.733E5,  0.6
 3.962E5,  0.7
 4.180E5,  0.8
 4.387E5,  0.9
 4.583E5,  1.0
 4.938E5,  1.2
 5.248E5,  1.4
 5.515E5,  1.6
 5.743E5,  1.8
 5.936E5,  2.0
 6.294E5,  2.5
 6.520E5,  3.0
 6.833E5,  5.0
 6.883E5, 10.0
**
*STEP,INC=10,NLGEOM,UNSYMM=YES
 STEP 1 - NONLINEAR
*STATIC,DIRECT
 1., 10.
*BOUNDARY
 FACE1, 3
 FACE3, 2
 FACE6, 1
 FACE4, 1, 1, -0.2
 FACE5, 2, 2, -0.2
 FACE2, 3, 3, -0.2
*EL PRINT,FREQ=10
 S11, LE11, PE11
*NODE PRINT,FREQ=0 
*OUTPUT,FIELD,FREQ=10
*ELEMENT OUTPUT
 S, 
 LE, 
 PE,
*END STEP
**
*STEP,INC=1,PERTURBATION,UNSYMM=YES
STEP-2 INITIAL LINEAR PERTURBATION
*STATIC,DIRECT
 0.1, 0.1
*LOAD CASE,name=initial-1
*BOUNDARY
 FACE1, 3
 FACE3, 2
 FACE6, 1
 FACE4, 1, 1, -0.02
 FACE5, 2, 2, -0.02
*CLOAD
 FACE2,3,10000
*ENDLOAD CASE
*LOAD CASE,name=initial-2
*BOUNDARY
 FACE1, 3
 FACE3, 2
 FACE6, 1
 FACE4, 1, 1, -0.02
 FACE5, 2, 2, -0.02
 FACE2, 3, 3, -0.02
*END LOAD CASE
*OUTPUT,FIELD
*ELEMENT OUTPUT
S,E
*NODE OUTPUT
U,RF
*END STEP
**
*STEP,INC=10,NLGEOM,UNSYMM=YES
 STEP 3 - REST OF NONLINEAR
*STATIC,DIRECT
 1., 10.
*BOUNDARY
 FACE4, 1, 1, -0.4
 FACE5, 2, 2, -0.4
 FACE2, 3, 3, -0.4
*END STEP
**
*STEP,INC=1,PERTURBATION,UNSYMM=YES
STEP-4 FINAL LINEAR PERTURBATION
*STATIC,DIRECT
 0.1, 0.1
*LOAD CASE,NAME=final-1
*BOUNDARY
 FACE1, 3
 FACE3, 2
 FACE6, 1
 FACE4, 1, 1, -0.04
 FACE5, 2, 2, -0.04
 FACE2, 3, 3, -0.04
*END LOAD CASE
*LOAD CASE,NAME=final-2
*BOUNDARY
 FACE1, 3
 FACE3, 2
 FACE6, 1
 FACE4, 1, 1, -0.08
 FACE5, 2, 2, -0.08
 FACE2, 3, 3, -0.08
*END LOAD CASE
*OUTPUT,FIELD
*ELEMENT OUTPUT
S,E
*NODE OUTPUT
U,RF
*END STEP