*heading
 1d pml with acoustic - ssd
*preprint,model=yes,history=yes
*node
 1,-1.,0.
 100,0.,0.
 120,0.2,0.
*ngen,nset=domain
 1,100,1
*ngen,nset=pml
 100,120,1
*element,type=ac1d2,elset=domain
 1,1,2
*elgen,elset=domain
 1,99,1,1
*element,type=ac1d2,elset=pml
 100,100,101
*elgen,elset=pml
 100,20,1,1
*solid section,elset=domain,material=mdomain
*solid section,elset=pml,material=mpml
*perfectlymatchedlayer, elset=pml, name=epml1, type=cartesian
 -1.,0., 0.0
 0.,0.0, 0.0
*pmlcoefficient, variation=linear
 250.,0.,0.
*material,name=mdomain
*acoustic medium,bulk modulus
 100.
*density
 1.
*material,name=mpml
*acoustic medium,bulk modulus
 100.
*density
 1.
*step, unsymm=yes
*steady state dynamics,direct
 19.0986
*boundary
 1,8,8,0.843853958
 120,8,8,0.
*boundary,imaginary
 1,8,8,-0.536572918
*node print
 por
*el print
 coord
*end step