*HEADING
 test Bergstrom-Boyce hysteresis with Reduced Polynomial hyperelasticity
 test short-term and long term hyperelasticity solutions.
*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
2,3,6,7
*NSET,NSET=FACE5
3,4,7,8
*NSET,NSET=FACE6
4,1,8,5
*ELEMENT,TYPE=C3D8,ELSET=ONE
1,1,2,3,4,5,6,7,8
*SOLID SECTION,ELSET=ONE,MATERIAL=REDPOL
*MATERIAL,NAME=REDPOL
*hyperelastic,reduced polynomial,n=1,MODULI=LONG TERM
1.0,1.e-4
*hysteresis
1.0,1.22474e-1,1.,-1.0
*DIAGNOSTICS,NONHYBRID=WARNING
*STEP,NLGEOM,INC=100,unsymm=yes
 nonuniform shear
*STATIC
1.E-5,1.E-5
*BOUNDARY,OP=NEW
FACE3,1,3,
face5,1,1,2.
*EL PRINT,f=100
S, 
LE, 
MISES, 
*NODE PRINT,f=100
U,RF
*EL FILE,f=100
S,LE
*NODE FILE,f=100
U,RF
*END STEP
*STEP,NLGEOM,INC=100,unsymm=yes
 relaxation
*STATIC
10.,1.e3
*END STEP