*HEADING
: IMPEDANCE [AC3D4]
*NODE, Nset=ODB_NSET
1, 
41,,10.
1001,1.
1041,1.,10.
2001,,,1.
2041,,10.,1.
3001,1.,,1.
3041,1.,10.,1.
*NGEN,NSET=NALL
1,41
1001,1041
2001,2041
3001,3041
*ELEMENT,TYPE=AC3D4,ELSET=EALL
    1,    1, 1001, 1003, 2001
    2, 1001, 1003, 2001, 3001
    3, 1003, 2001, 3001, 3003
    4,    1, 1003,    3, 2001
    5, 1003,    3, 2001, 3003
    6,    3, 2001, 3003, 2003
*ELGEN,ELSET=EALL
1,20,2,6
2,20,2,6
3,20,2,6
4,20,2,6
5,20,2,6
6,20,2,6
*MATERIAL,NAME=AIR
*DENSITY
1.293, 
*ACOUSTIC MEDIUM,BULK MODULUS
1.42176E5, 
*SOLID SECTION,MATERIAL=AIR,ELSET=EALL
*NSET,NSET=RECRD,GEN
1,41,2
1001,1041,2
2001,2041,2
3001,3041,2
*NSET,NSET=DRIV
1,1001,2001,3001
**
** Sets added by addodb
**
*Elset,Elset=ODB_ESET
EALL,
**
**
*Nset, Nset=ODB_NSET
ODB_NSET, NALL, RECRD, DRIV
**
**
*STEP
*STEADY STATE DYNAMIC,DIRECT
10., 
25., 
50., 
*IMPEDANCE
120,I4
119,I2
*BOUNDARY
DRIV,8,,1.
*NODE PRINT
POR,PPOR
*NODE FILE
POR,PPOR
*OUTPUT,FIELD,VARIABLE=PRESELECT,FREQUENCY=9999
*OUTPUT,FIELD
*NODE OUTPUT
POR,
*OUTPUT,HISTORY
*NODE OUTPUT, Nset=ODB_NSET
POR,
*END STEP