*Heading
 Radiating boundary condition test for exterior air model for
 acoustic analysis of a muffler
** ----------------------------------------------------------------
**
** PART INSTANCE: OuterAir-1
**
*Node, input=muffler_extair_nodes.inp
*Element, type=AC3D20, input=muffler_extair_elem.inp
** ----------------------------------------------------------------
*Elset, elset=OuterAir-1_I1, generate
*Solid Section, elset=OuterAir-1_I1, material=air
 1.,
** ----------------------------------------------------------------
*Elset, elset=_sphere1_S3, generate
*Elset, elset=_sphere1_S4, generate
*Surface, name=sphere1
_sphere1_S3, S3
_sphere1_S4, S4
** ----------------------------------------------------------------
*Elset, elset=_sphere2_S3, generate
*Elset, elset=_sphere2_S4, generate
*Surface, name=sphere2
_sphere2_S3, S3
_sphere2_S4, S4
** ----------------------------------------------------------------
*Elset, elset=_cylinder_S6, generate
*Surface, name=cylinder
_cylinder_S6, S6
** ----------------------------------------------------------------
*Nset,nset=pressnodes
** ----------------------------------------------------------------
**
** MATERIALS
**
*Material, name=air
*Acousticmedium,bulkmodulus
*Density
 1.2,
*Impedanceproperty,type=sph,name=sphere
*Impedanceproperty,type=c,name=cy
** ----------------------------------------------------------------
**
** STEP: Step-1
**
*Step
 Step-1: Frequency Response
*Steady State Dynamics, direct
 165.,
*Boundary
 pressnodes,8,8,1.0
*Simpedance
 cylinder,cy
*Simpedance
 sphere1,sphere
*Simpedance
 sphere2,sphere
*Output,field,op=new,frequency=1
*Node output
 U,POR
*Output,history,op=new,frequency=1
*Node file,nset=pressnodes,frequency=1
 COORD,POR,PPOR
*End step