*HEADING
  - HYPERFOAM TEST, TEST DATA, C3D8R
** TESTING INITIAL CONDITIONS, TYPE=STRES
** Two steps. Step 1: Fix all b.c. and check for stresses
**            Step 2: relax stresses such that a stress-free config
**                    is attained.
*NODE,NSET=ALL
1,
2,0.2, 0.0, 0.0
3,0.2, 0.2, 0.0
4,0.0, 0.2, 0.0
5, 0.0, 0.0, 0.2
6, 0.2, 0.0, 0.2
7, 0.2, 0.2, 0.2
8, 0.0, 0.2, 0.2
** -X DIR: FACE6, +X DIR: FACE4
** -Y DIR: FACE3, +Y DIR: FACE5
** -Z DIR: FACE1, +Z DIR: FACE2
*NSET,NSET=FACE1
1,2,3,4
*NSET,NSET=FACE2
5,6,7,8
*NSET,NSET=FACE3
1,2,5,6
*NSET,NSET=FACE4
2,3,6,7
*NSET,NSET=FACE5
3,4,7,8
*NSET,NSET=FACE6
4,1,8,5
*ELEMENT,TYPE=C3D8R,ELSET=ONE
1,1,2,3,4,5,6,7,8
*SOLID SECTION,MATERIAL=A1, ELSET=ONE
*MATERIAL,NAME=A1
*HYPERFOAM,N=2,TEST DATA INPUT,POISSON=0.
*UNIAXIAL TEST DATA
 -.0217,   -.05
 -.0317,   -.10
 -.0367,   -.15
 -.0402,   -.20
 -.0433,   -.25
 -.0467,   -.30
 -.0504,   -.35
 -.0542,   -.40
 -.0604,   -.45
 -.0668,   -.50
 -.0759,   -.55
 -.0909,   -.60
 -.1083,   -.65
 -.1410,   -.70
 -.1933,   -.75
 -.2896,   -.80
*SIMPLE SHEAR TEST DATA
  .0107, .08, .0030
  .0373, .16, .0166
  .0533, .24, .0366
  .0853, .32, .0573
  .1280, .40, .0817
  .1653, .48, .1098
  .2080, .56, .1394
  .2560, .64, .1666
  .2987, .72, .1904
*INITIAL CONDITIONS, TYPE=STRESS
ONE, -7.443, -7.443, -7.443
*RESTART,WRITE,FREQ=1
*STEP, NLGEOM, INC=10
*STATIC
0.1, 1.0
*BOUNDARY
ALL, 1, 3
*OUTPUT,FIELD,FREQ=10
*ELEMENT OUTPUT
S,E
*END STEP
**
*STEP,NLGEOM,INC=16
*STATIC,DIRECT
0.1, 1.0
*BOUNDARY, OP=NEW
FACE6,1
FACE3,2
FACE1,3
*EL PRINT,FREQ=8
S, 
E, 
*OUTPUT,FIELD,FREQ=10
*ELEMENT OUTPUT
S,E
*NODE PRINT,FREQ=8
U,RF
*OUTPUT,FIELD,FREQ=10
*NODE OUTPUT
U,RF
*END STEP