*Heading
** Job name: Job-1 Model name: Model-1
**
** PARTS
**
*Part, name=Part-1
*End Part
**
** ASSEMBLY
**
*Assembly, name=Assembly
**
*Instance, name=Part-1-1, part=Part-1
*Node
*Element, type=AC3D6
*Element, type=AC3D8
** Region: (Section-1:Picked)
*Elset, elset=_I1, internal, generate
** Section: Section-1
*Solid Section, elset=_I1, material=AIR
1.,
*End Instance
*Nset, nset=GSet-1, instance=Part-1-1
*Nset, nset=GSet-2, instance=Part-1-1
*Nset, nset=GSet-3, instance=Part-1-1
*Elset, elset=_Surf-1_S2, internal, instance=Part-1-1
*Elset, elset=_Surf-1_S1, internal, instance=Part-1-1
*Surface, type=ELEMENT, name=Surf-1
_Surf-1_S2, S4
_Surf-1_S1, S3
*End Assembly
**
** MATERIALS
**
*Material, name=AIR
*Acoustic Medium
*Acoustic Medium, Volumetric Drag
*Density
 1.21,
** ----------------------------------------------------------------
*amplitude,name=sine,definition=periodic
1,628.0,0.0,0.0
0.0,1.0,0.0,0.0
**
** STEP: Step-1
**
*Step, name=Step-1, inc=1000
*Dynamic,alpha=-0.05,haftol=1e-11
0.0001,0.005,1e-07,0.0001
*cload,amplitude=sine
GSet-1,8,-1.0
GSet-2,8,-0.5
GSet-3,8,-0.25
*Simpedance,improved
Surf-1,
**
** OUTPUT REQUESTS
**
**Restart, write, frequency=1
**
** FIELD OUTPUT: F-Output-1
**
*Output, field, freq=40
*node output
por,
*node file,frequency=999
por,
**
*End Step