*heading
*preprint,model=yes
*node,nset=nbot
**
*node,nset=ntop
**
*nset,nset=nall
nbot,ntop
*element,type=mcl6,elset=one
*membrane section,elset=one,material=mone
0.5
*material,name=mone
*ELASTIC
 30.E6, .3
*DENSITY
 1.,
*step
*static
1.,1.
*dload
one,corio,1000.,0.,0.,0.,0.,0.,1.
*boundary
nall,1,1,5.
nall,2,3,
*output,history,frequency=0
*output,field
*node output
rf,
*end step