*HEADING
EC13AFAR: IMPEDANCE PROPERTY  [AC1D3]
*NODE, Nset=ODB_NSET
1, 
41,,10.
*NGEN,NSET=ALL-NODES
1,41
*ELEMENT,TYPE=AC1D3,ELSET=ALL-ELEMENTS
1,1,3,5
*ELGEN,ELSET=ALL-ELEMENTS
1,10,4,1
*ELSET,ELSET=LINER2
10, 
*MATERIAL,NAME=AIR
*DENSITY
1.293, 
*ACOUSTIC MEDIUM,BULK MODULUS
1.42176E5, 
*SOLID SECTION,MATERIAL=AIR,ELSET=ALL-ELEMENTS
*IMPEDANCE PROPERTY,NAME=IMPEDANCE
0.0,2.3323E-3
*NSET,NSET=QA_TEST,GEN
1,41,4
*NSET,NSET=DRIVEN
1, 
**
*STEP
*STEADY STATE DYNAMIC,DIRECT
25., 
50., 
75., 
100., 
*IMPEDANCE,prop=impedance
LINER2,I2,
*BOUNDARY
DRIVEN,8,,1.
*NODE PRINT,NSET=QA_TEST
POR,
*OUTPUT,FIELD, OP=NEW
*NODE OUTPUT,NSET=QA_TEST
POR,
*OUTPUT,HISTORY
*NODE OUTPUT,NSET=QA_TEST
POR,
*END STEP