*HEADING
ECA6AFAR: IMPEDANCE PROPERTY  [ACAX6]
*NODE, Nset=ODB_NSET
*NGEN,NSET=NALL1
*NGEN,NSET=NALL2
*NGEN,NSET=NALL3
*NFILL,NSET=NALL
NALL1,NALL2,2,500
*Element, type=ACAX6,elset=eall
*ELSET,ELSET=LINER3
*MATERIAL,NAME=AIR
*DENSITY
1.293,
*ACOUSTIC MEDIUM,BULK MODULUS
*SOLID SECTION,MATERIAL=AIR,ELSET=EALL
*IMPEDANCE PROPERTY,NAME=IMPED
*NSET,NSET=RECRD,GEN
*NSET,NSET=DRIV
**
** Sets added by addodb
**
*Elset,Elset=ODB_ESET
EALL,
**
**
*Nset, Nset=ODB_NSET
ODB_NSET, NALL1, NALL2, NALL3
NALL, RECRD, DRIV
**
**
*STEP
*STEADY STATE DYNAMIC,DIRECT
*IMPEDANCE
LINER3,I1,IMPED
*BOUNDARY
DRIV,8,,1.
*NODE PRINT,NSET=RECRD
POR,PPOR
*NODE FILE,NSET=RECRD
POR,PPOR
*OUTPUT,FIELD,VARIABLE=PRESELECT,OP=ADD,FREQUENCY=9999
*OUTPUT,FIELD, OP=ADD
*NODE OUTPUT,NSET=RECRD
POR,
*OUTPUT,HISTORY,OP=ADD
*NODE OUTPUT,NSET=RECRD
POR,
*END STEP