*HEADING
: SUBMODEL [AC3D20]
*NODE,NSET=BOT
*NODE,NSET=TOP
*NFILL,NSET=ALL
BOT,TOP,6,1
*NSET,NSET=RECRD
*ELSET,ELSET=LINER5
*ELEMENT,TYPE=AC3D20,ELSET=EALL
*ELGEN,ELSET=EALL
*MATERIAL,NAME=AIR
*DENSITY
1.293,
*ACOUSTIC MEDIUM,BULK MODULUS
*SOLID SECTION,MATERIAL=AIR,ELSET=EALL
*SUBMODEL,EXT=0.025
BOT,
**
** Sets added by addodb
**
*Elset,Elset=ODB_ESET
EALL,
**
**
*Nset, Nset=ODB_NSET
BOT, TOP, ALL, RECRD
**
**
*STEP
*STEADY STATE DYNAMIC,DIRECT
*IMPEDANCE
LINER5,I5
*BOUNDARY,SUBMODEL,STEP=1
BOT,8,8
*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