*HEADING
 Test import capability:
 HYPERELASTIC TEST with C3D6. 
 Base for file: sx_x_c3d6_hyper.inp
*RESTART,WRITE,FREQUENCY=5
*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.
*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, 
*NSET,NSET=FACE42
3,6,7
*NSET,NSET=FACE5
3,4,7,8
*NSET,NSET=FACE6
4,1,8,5
*EQUATION
** Since the S11 output is Cauchy or true stress, we need to
** determine the nominal stress for post-processing.
** Nodes 3,6,7 are tied to node 2 in dof 1 so that:
** Nominal stress (dof 1) = RF1 (@ node 2) / Original area
** (w/c is 1 x 1 = 1)
2, 
FACE42,1,1, 2,1,-1
*ELEMENT,TYPE=C3D6,ELSET=TWO
1,1,2,4,5,6,8
2,2,3,4,6,7,8
*SOLID SECTION,ELSET=TWO,MATERIAL=TREL
*MATERIAL,NAME=TREL
*HYPERELASTIC
80.0,20.0,0.001
*density
.036, 
**
*NSET, NSET=QA_TEST_ALLNODES
ALL, FACE1, FACE2, FACE3
FACE4, FACE42, FACE5, FACE6
**
*STEP,NLGEOM,INC=50
Step 1: Uniaxial Tension
*STATIC,DIRECT
.1,1.
*BOUNDARY,OP=NEW
FACE1,3
FACE3,2
FACE6,1
FACE4,1,1,1.
*ENERGY PRINT
*EL PRINT,FREQUENCY=5
S, 
E, 
*NODE PRINT,FREQUENCY=5
U,RF
*NODE FILE,FREQUENCY=2
U,RF
*OUTPUT,FIELD,VARIABLE=PRESELECT,FREQUENCY=5
*OUTPUT,FIELD,Frequency=2
*NODE OUTPUT
U,RF
*OUTPUT,HISTORY,Frequency=2
*NODE OUTPUT, NSET=QA_TEST_ALLNODES
U,RF
*END STEP