*heading
*node,nset=nall
1,0.,0.,0.
2,1.,0.,0.
3,1.,1.,0.
4,0.,1.,0.
5,0.,0.,0.1
6,1.,0.,0.1
7,1.,1.,0.1
8,0.,1.,0.1
*nset,nset=front
1,2,3,4
*element,type=sc8r,elset=one
1,1,2,3,4,5,6,7,8
*shell section,elset=one,material=mone
0.1
*material,name=mone
*elastic
1.e8,0.3
*expansion,field=1
1.e-6
*initial conditions,type=field,variable=1
nall,0.
*boundary
1,PINNED
2,2
5,2
6,2
4,1
5,1
8,1
2,3
3,3
4,3
**nall,1,3,
*step,nlgeom=yes
*static
*field,variable=1
nall,1000.
*el print
s,
e,
sth,
*node print
u,rf
*output,field
*element output
s,
e,
sth
*end step
*step,pert
*static
*field,variable=1
nall,1000.
*el print
s,
e,
sth,
*node print
u,rf
*end step