*heading
Visco solid formulation: verification for 3D Plane strain
Cyclic shear loading
*node,nset=nall
1,0.0,0.0,
2,1.0,0.0,
3,1.0,1.0,
4,0.0,1.0,
5,0.0,0.0,1.0
6,1.0,0.0,1.0
7,1.0,1.0,1.0
8,0.0,1.0,1.0
*nset,nset=top
3,4,7,8
*nset,nset=bot
1,2,5,6
*element, type=c3d8rht, elset=e1
1, 1,2,3,4,5,6,7,8
*material, name=mat1
*hyperelastic,ogden,n=3,moduli=instantaneous
**64.26,1.8, 25.0,-2.0, 18.76,7.0, 2.e-5,,
64.26,1.8, 25.0,-2.0, 18.76,7.0, ,,
,
*viscoelastic,time=prony
0.72,,17.5
*density
 7800.,
*inelastic heat fraction
 0.8,
*conductivity
 1.e-6,
*specific heat
 10.,
*amplitude,name=amp1, def=periodic
1, 0.3, 0.0, 0.0
0.0, 1.0
*solid section, mat=mat1, elset=e1
*boundary
nall, 2,3
bot, 1,1
*step,nlgeom=yes,inc=2000
*coupled temperature-displacement, cetol=0.1
0.2,104.7,,0.2
*boundary,amp=amp1
top,1,1,2.0
*output, history
*element output, elset=e1
s,cener
*node output, nset=top
u,rf,nt
*end step