*heading
Implement isotropic hyperelastic behavior through UANISOHYPER_INV
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**
** Element types: c3d8h, cpe4h
** Material     : Incompressible polynomial, N=2
** Types of test: Plane-strain tension with orientation
** Results      : s11=6.741e2, s22=1.1685e2, s33=4.058e2, s12=-3.370e2
**
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*node, nset=alln
** for c3d8h - abaqus isotropic hyper elasticity material
 1,0,0,0
 2,1,0,0
 3,1,1,0
 4,0,1,0
 5,0,0,1
 6,1,0,1
 7,1,1,1
 8,0,1,1
** for c3d8h - uaniso hyper elasticity material
11,0,2,0
12,1,2,0
13,1,3,0
14,0,3,0
15,0,2,1
16,1,2,1
17,1,3,1
18,0,3,1
** for cpe4h - uaniso hyper elasticity material
21,0,4
22,1,4
23,1,5
24,0,5
*nset,nset=z0
1,2,3,4,11,12,13,14
*nset,nset=z1
5,6,7,8,15,16,17,18
*nset,nset=x0
1,4,5,8,11,14,15,18,21,24,25,28
*nset,nset=x1
2,3,6,7,12,13,16,17,22,23,26,27
*nset,nset=y0
1,2,5,6,11,12,15,16,21,22,25,26
*nset,nset=y1
3,4,7,8,13,14,17,18,23,24,27,28
*element,type=c3d8h,elset=e_abq
1,1,2,3,4,5,6,7,8
*element,type=c3d8h,elset=e_uaniso3d
2,11,12,13,14,15,16,17,18
*element,type=cpe4h,elset=e_uaniso2d
3,21,22,23,24
*elset, elset=eall
1,2,3
*orientation,name=ori-1,local directions=2
1,0.5,0,-1,1,0
3,0
1,0,0
1,1,1
*material,name=UANISO_INVISO_1
*anisotropic hyperelastic,definition=user,formulation=invariant, local directions=2,type=incompressible,properties=7
 100.,50.,10.,20.,30.,0.0,0.0
*mullins effect
2.0,0.0,0.1
*material,name=polyabq
*hyperelastic, n=2
 100.,50.,10.,20.,30.,0.0,0.0
*mullins effect
2.0,0.0,0.1
*solid section, elset=e_abq, material=polyabq,orientation=ori-1
1.
*solid section, elset=e_uaniso3d, material=UANISO_INVISO_1,orientation=ori-1
1.
*solid section, elset=e_uaniso2d, material=UANISO_INVISO_1,orientation=ori-1
1.
*boundary
 z0,3
 z1,3
 y0,2
 x0,1
*amplitude,name=amp1
0.0,0.0, 0.5,1.0, 1.0,0.0
*step,nlgeom=yes,inc=1000
*static
 0.1,1.,,0.1
*boundary, amp=amp1
 x1,1,1,0.5
*output,field,freq=10
*element output
 S,E
*node output
 U,RF
*output,history
*element output, elset=eall
 S11,s22,s12,s33,le11,dmener
*end step