*HEADING
  - HYPERFOAM TEST, BIAXIAL COMPRESSION, CPS4R
*NODE,NSET=ALL
1,
2,1.
3,1.,1.,
4,0.,1.,
*ELEMENT,TYPE=CPS4R,ELSET=ONE
1,1,2,3,4
*NSET,NSET=SIDE1
1,2
*NSET,NSET=SIDE2
2,3
*NSET,NSET=SIDE3
3,4
*NSET,NSET=SIDE4
4,1
*SOLID SECTION,ELSET=ONE,MATERIAL=HFOAM
*MATERIAL,NAME=HFOAM
** POISSON'S RATIO = 0.1
*HYPERFOAM,N=2
0.167099, 9.00665, 2.153721E-05, -4.86940, .1, .1
*STEP,NLGEOM,INC=16
BIAXIAL COMPRESSION
*STATIC,DIRECT
.05,.80
*BOUNDARY,OP=NEW
SIDE4,1
SIDE1,2
SIDE2,1,1,-.80
SIDE3,2,2,-.80
*EL PRINT,F=8
S,E
*NODE PRINT,F=8
U,RF
*OUTPUT,FIELD,FREQ=8
*ELEMENT OUTPUT
S,E
*OUTPUT,FIELD,FREQ=8
*NODE OUTPUT
U,RF
*END STEP