*HEADING
EC28AFP7: PATCH TEST FOR ACCOUSTIC ELEMENTS [AC2D8]
*PREPRINT,ECHO=YES,HISTORY=NO,MODEL=YES
*NODE, Nset=ODB_NSET
10,0,0
20,.24,0.
30,.24,.12
40,0.,.12
50,.12,0.
60,.24,.06
70,.12,.12
80,.0,.06
102,.04,.02
104,.18,.03
204,.16,.08
202,.08,.08
*NGEN, Nset=ODB_NSET
102,104
202,204
102,202,50
104,204,50
10,102,46
40,202,81
30,204,87
20,104,42
10,40,15
*ELEMENT,TYPE=AC2D8, ELSET=EALL
1,10,20,104,102,50,62,103,56
2,10,102,202,40,56,152,121,80
3,102,104,204,202,103,154,203,152
4,104,20,30,204,62,60,117,154
5,202,204,30,40,203,117,70,121
*SOLID SECTION,MATERIAL=A1, ELSET=EALL
*MATERIAL,NAME=A1
*ACOUSTIC MEDIUM,BULK MODULUS
2.0E+09, 
*DENSITY
1.0E+03, 
*RESTART,WRITE
**
** Sets added by addodb
**
*Elset,Elset=ODB_ESET
EALL,
**
**
*Nset, Nset=ODB_NSET
ODB_NSET, 
**
**
*STEP
 ACCOUSTIC PATCH TEST
*STEADY STATE DYNAMICS, DIRECT
.01,
*BOUNDARY
10, 8, ,  0.0
20, 8, , 48.0
30, 8, , 60.0
40, 8, , 12.0
50, 8, , 24.0
60, 8, , 54.0
70, 8, , 36.0
80, 8, ,  6.0
*NODE PRINT, FREQ=2
 POR, 
*EL PRINT, FREQ=2
*OUTPUT,FIELD,VARIABLE=PRESELECT,FREQUENCY=9999
*OUTPUT,FIELD,Frequency=2
*NODE OUTPUT
 POR, 
*OUTPUT,HISTORY,Frequency=2
*NODE OUTPUT, Nset=ODB_NSET
 POR, 
*ENDSTEP