*HEADING
 test Bergstrom-Boyce hysteresis with Ogden hyperelasticity
 test short-term and long term hyperelasticity solutions.
*NODE,NSET=ALL
*NSET,NSET=FACE1
*NSET,NSET=FACE2
*NSET,NSET=FACE3
*NSET,NSET=FACE4
*NSET,NSET=FACE5
*NSET,NSET=FACE6
*ELEMENT,TYPE=C3D8R,ELSET=ONE
*SOLID SECTION,ELSET=ONE,MATERIAL=OGDEN
*MATERIAL,NAME=OGDEN
*hyperelastic,ogden,n=1,MODULI=LONG TERM
1.0,2.0,1.e-4
*hysteresis
*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