*HEADING
  - HYPERFOAM TEST, VOLUMETRIC COMPRESSION, TEST DATA, C3D8R
*NODE,NSET=ALL
1,
2,1.
3,1.,1.,
4,0.,1.,
5,0.,0.,1.
6,1.,0.,1.
7,1.,1.,1.
8,0.,1.,1.
** -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
*RESTART,WRITE,FREQ=8
*STEP,NLGEOM,INC=16
** VOLUMETRIC COMPRESSION
*STATIC,DIRECT
.05,.80
*BOUNDARY
FACE6,1
FACE3,2
FACE1,3
FACE4,1,1,-.80
FACE5,2,2,-.80
FACE2,3,3,-.80
*ENERGY PRINT
*EL PRINT,FREQ=8
S, 
E, 
*OUTPUT,FIELD,FREQ=8
*ELEMENT OUTPUT
S,E
*NODE PRINT,FREQ=8
U,RF
*OUTPUT,FIELD,FREQ=8
*NODE OUTPUT
U,RF
*END STEP