*heading
 ANISOTROPIC HYPERELASTIC, HOLZAPFEL
 Uniaxial test, load control
 Base problem for Explicit->Explicit Import
*preprint, model=yes
*node,nset=all
 11,
 12,1.
 13,1.,1.,
 14,0.,1.,
 15,0.,0.,1.
 16,1.,0.,1.
 17,1.,1.,1.
 18,0.,1.,1.
*nset,nset=face11
 11,12,13,14
*nset,nset=face12
 15,16,17,18
*nset,nset=face13
 11,12,15,16
*nset,nset=face14
 13,16,17
*nset,nset=face15
 13,14,17,18
*nset,nset=face16
 14,11,18,15
*nset, nset=nload1
 12
*element,type=c3d8r,elset=c3d
 1,11,12,13,14,15,16,17,18
**
*node,nset=all
 31,0.,4.,
 32,1.,4.,
 33,1.,5.,
 34,0.,5.,
*nset,nset=face31
 31,32
*nset,nset=face32
 33
*nset,nset=face33
 33,34
*nset,nset=face34
 31,34
*nset, nset=nload3
 32
*element,type=cps4r,elset=cps
 3,31,32,33,34
**
*node,nset=all
 41,0.,6.,
 42,1.,6.,
 43,1.,7.,
 44,0.,7.,
*nset,nset=face41
 41,42
*nset,nset=face42
 43
*nset,nset=face43
 43,44
*nset,nset=face44
 41,44
*nset, nset=nload4
 42
*element,type=m3d4r,elset=m3d
 4,41,42,43,44
**
*node,nset=all
 51,0.,8.,
 52,1.,8.,
 53,1.,9.,
 54,0.,9.,
*nset,nset=face51
 51,52
*nset,nset=face52
 53
*nset,nset=face53
 53,54
*nset,nset=face54
 51,54
*nset, nset=nload5
 52
*nset, nset=QA_TEST
 17,32,42,52
*element,type=s4r,elset=s4r
 5,51,52,53,54
**
*elset, elset=solid
 c3d, cps
*elset, elset=eall
 solid, m3d, s4r
*elset, elset = QA_TEST
 eall,
**
*orientation,name=ori-1,local directions=2
 1.0,0.0,0.0,0.0,1.0,0.0
 3,0.0
 0.643055,0.76582,0.0
 0.643055,-0.76582,0.0
**
*solid section,elset=c3d,material=holzapfel,orientation=ori-1
 1.0,
*solid section,elset=cps,material=holzapfel,orientation=ori-1
 1.0,
*membrane section,elset=m3d,material=holzapfel,orientation=ori-1
 1.0,
*shell section,elset=s4r,material=holzapfel,orientation=ori-1
 1.0,
**
*parameter
 density=5.0e-4
 C10=7.64
 D=1.e-6
 K1=996.6
 K2=524.6
 Kappa=0.226
*material,name=holzapfel
*density
 <density>
*anisotropic hyperelastic,holzapfel, local directions=2
 <C10>, <D>, <K1>, <K2>, <Kappa>
*equation
 2,
 face14,1,1,nload1,1,-1
 2,
 face32,1,1,nload3,1,-1
 2,
 face42,1,1,nload4,1,-1
 2,
 face52,1,1,nload5,1,-1
*nset, nset=nload
 nload1, nload3, nload4, nload5
*boundary,type=velocity
 face11,3
 face13,2
 face16,1
**
 face31,2
 face34,1
**
 face41,2
 face44,1
 face41,3
 face43,3
**
 face51,2
 face54,1
 face51,3
 face53,3
**
*amplitude,name=bc,definition=smooth step
0.0,0.0,0.5,1.0
**
*restart, write
**
*step
 uniaxial loading
*dynamic, explicit
 ,0.5
*cload,amplitude=bc
 nload,1,10.0e3
*output,field, variable=preselect
*element output, elset=eall
 s, le
*node out, nset=all
 u, rf
*output,field, number=2
*element output, elset=QA_TEST
 s,
*node output, nset=QA_TEST
 u,
*output, history, variable=preselect
*element output, elset=eall
 s11, le11, le22, le33, ne11, ne22, ener
*node out, nset=nload
 u1
*end step