*HEADING
 COMPRESSIBLE HYPERELASTICITY (UHYPER), FV. DEP., UNIAXIAL TENSION
*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.
11,
12,1.
13,1.,1.,
14,0.,1.,
15,0.,0.,1.
16,1.,0.,1.
17,1.,1.,1.
18,0.,1.,1.
*NSET,NSET=FACE1
1,2,3,4,11,12,13,14
*NSET,NSET=FACE2
5,6,7,8,15,16,17,18
*NSET,NSET=FACE3
1,2,5,6,11,12,15,16
*NSET,NSET=FACE4
2,3,6,7,12,13,16,17
*NSET,NSET=FACE5
3,4,7,8,13,14,17,18
*NSET,NSET=FACE6
4,1,8,5,14,11,18,15
*ELEMENT,TYPE=C3D8RH,ELSET=ONE
1,1,2,3,4,5,6,7,8
*ELEMENT,TYPE=C3D8RH,ELSET=TWO
2,11,12,13,14,15,16,17,18
*SOLID SECTION,ELSET=TWO,MATERIAL=POLY
*SOLID SECTION,ELSET=ONE,MATERIAL=UHYP
*HOURGLASS STIFFNESS
1.,,,
*MATERIAL,NAME=POLY
*HYPERELASTIC,N=1
80.,20.,1.5E-3
*MATERIAL,NAME=UHYP
*HYPERELASTIC,USER,TYPE=COMPRESSIBLE,PROPERTIES=8
0.,1.E-3,20.,2.E-3,30.,3.E-3,80.,20.
**fv1_1,d1_1,fv1_2,d1_2,fv1_3,d1_3,c10,c01
*STEP,NLGEOM,INC=20
UNIAXIAL TENSION
*STATIC,DIRECT
1.,20.
*BOUNDARY,OP=NEW
FACE1,3
FACE3,2
FACE6,1
FACE4,1,1,5.
*FIELD,VARIABLE=1
ALL,10.
*EL PRINT,F=20
S, 
E, 
*NODE PRINT,F=20
U,RF
*EL FILE,F=20
S,E
*NODE FILE,F=20
U,RF
*END STEP