*HEADING
 Test import capability:
 HYPERELASTIC TEST with CAX3  
 Base for file: sx_x_cax3_hyper.inp
*RESTART,WRITE,FREQUENCY=5
*NODE,NSET=ALL
1,
2,1.
3,1.,1.,
4,0.,1.,
*NSET,NSET=FACE1
1,2
*NSET,NSET=FACE2
2, 
*NSET,NSET=FACE3
3,4
*NSET,NSET=FACE4
1,4
*NSET,NSET=FACE32
3, 
*EQUATION
** Since the S11 output is Cauchy or true stress, we need to
** determine the nominal stress for post-processing.
** Nodes 3 is 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, 
FACE32,1,1, 2,1,-1
*ELEMENT,TYPE=CAX3,ELSET=TWO
1,1,2,3
2,1,3,4
*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, FACE32
**
*STEP,NLGEOM,INC=50
Step 1: Uniaxial Tension
*STATIC,DIRECT
.1,1.
*BOUNDARY,OP=NEW
FACE1,2
FACE4,1
FACE2,1,1,1.
*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