*HEADING
FeFp: c3d8, simple shear, orientation
Ogden, mullins effect
Uniaxial and biaxial test data for input
*NODE,NSET=one
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
*orientation, name=ori1
1.,1.,1., 0.,0.,1.,
1,0.
*SOLID SECTION,ELSET=ONE,MATERIAL=mat-129,ori=ori1
*MATERIAL,NAME=mat-129
*DENSITY
1.e-6
*HYPERELASTIC,ogden, n=3,test, poisson=0.49
*include, input=heplmu_matprops.inp
*amplitude,name=nominal_strain,definition=smooth step
0.0,0.0, 0.1,0.4, 0.2,0.0, 0.4,0.8,
0.5,0.0, 0.7,1.6
*STEP
*dynamic, explicit
 ,.7
*BOUNDARY
FACE6,1,3
FACE4,1,2
*boundary, amplitude=nominal_strain
face4,3,3,1.0
*output,field
*node output
u
*output,history,freq=1
*node output,nset=FACE6
rf
*node output,nset=FACE4
u
*END STEP