*HEADING
 Test import capability:
 HYPERELASTIC TEST with CAX4R  
 Base for file: sx_x_cax4r_hyper.inp
*RESTART,WRITE,FREQUENCY=5
*NODE,NSET=ALL
 11, 0., 0.
 12, 1., 0.
 13, 1., 1.
 14, 0., 1.
 21, 0., 2.
 22, 1., 2.
 23, 1., 3.
 24, 0., 3.
 31, 0., 4.
 32, 1., 4.
 33, 1., 5.
 34, 0., 5.
*NSET,NSET=FACE1
 11,12,21,22,31,32
*NSET,NSET=FACE2
 12,13,22,23,32,33
*NSET,NSET=FACE3
 13,14,23,24,33,34
*NSET,NSET=FACE4
 11,14,21,24,31,34
**
*ELEMENT,TYPE=CAX4R,ELSET=ONE
 1,11,12,13,14
*SOLID SECTION,ELSET=ONE,MATERIAL=TREL1
*MATERIAL,NAME=TREL1
*HYPERELASTIC
 80.0,20.0,0.001
*DENSITY
 0.036,
**
*ELEMENT,TYPE=CAX4R,ELSET=TWO
 2,21,22,23,24
*SOLID SECTION,ELSET=TWO,MATERIAL=TREL2
*MATERIAL,NAME=TREL2
*HYPERELASTIC,ARRUDA-BOYCE
 200.,5.,0.001
*DENSITY
 0.036,
**
*ELEMENT,TYPE=CAX4R,ELSET=THREE
 3,31,32,33,34
*SOLID SECTION,ELSET=THREE,MATERIAL=TREL3
*MATERIAL,NAME=TREL3
*HYPERELASTIC,VAN DER WAALS
 200.,10.,0.1,0.,0.001
*DENSITY
 0.036,
**
*ELSET,ELSET=EALL
 ONE,TWO,THREE
**
*STEP,NLGEOM,INC=50
 Step 1: Uniaxial Tension
*STATIC,DIRECT
 0.1, 1.0
*BOUNDARY,OP=NEW
 FACE1,2
 FACE4,1
 FACE2,1,1,1.
*ENERGY PRINT
*EL PRINT,FREQUENCY=5
 S,LE,
 NE,
*NODE PRINT,FREQUENCY=5
 U,RF
*NODE FILE,FREQUENCY=2
 U,RF
*END STEP