*heading
ECA6AFE4.inp: acoustic organ pipe modes using ACAX6 elements
*Node, Nset=ODB_NSET
      1,           0.,           0.
      2,           1.,           0.
      3,           1.,        165.8
      4,           0.,        165.8
      5,           1.,        16.58
      6,           1.,        33.16
      7,           1.,        49.74
      8,           1.,        66.32
      9,           1.,         82.9
     10,           1.,        99.48
     11,           1.,       116.06
     12,           1.,       132.64
     13,           1.,       149.22
     14,           0.,       149.22
     15,           0.,       132.64
     16,           0.,       116.06
     17,           0.,        99.48
     18,           0.,         82.9
     19,           0.,        66.32
     20,           0.,        49.74
     21,           0.,        33.16
     22,           0.,        16.58
     23,          0.5,           0.
     24,          0.5,        165.8
     25,          0.5,         8.29
     26,           1.,         8.29
     27,           1.,        24.87
     28,           1.,        41.45
     29,           1.,        58.03
     30,           1.,        74.61
     31,           1.,        91.19
     32,           1.,       107.77
     33,           1.,       124.35
     34,           1.,       140.93
     35,          0.5,       157.51
     36,           1.,       157.51
     37,          0.5,       140.93
     38,          0.5,       149.22
     39,           0.,       157.51
     40,          0.5,       124.35
     41,          0.5,       132.64
     42,           0.,       140.93
     43,          0.5,       107.77
     44,          0.5,       116.06
     45,           0.,       124.35
     46,          0.5,        99.48
     47,           0.,       107.77
     48,          0.5,        91.19
     49,          0.5,        74.61
     50,          0.5,         82.9
     51,           0.,        91.19
     52,          0.5,        58.03
     53,          0.5,        66.32
     54,           0.,        74.61
     55,          0.5,        49.74
     56,           0.,        58.03
     57,          0.5,        41.45
     58,          0.5,        24.87
     59,          0.5,        33.16
     60,           0.,        41.45
     61,           0.,        24.87
     62,          0.5,        16.58
     63,           0.,         8.29
*nset,nset=top
3,4,24
*nset,nset=bottom
1,2,23
*Element, type=ACAX6,elset=eall
 1,  5,  1,  2, 25, 23, 26
 2, 21,  5,  6, 58, 27, 59
 3, 20,  7, 19, 55, 52, 56
 4, 18,  8,  9, 49, 30, 50
 5, 16, 10, 11, 43, 32, 44
 6, 16, 11, 15, 44, 40, 45
 7, 15, 11, 12, 40, 33, 41
 8, 15, 12, 14, 41, 37, 42
 9, 14, 12, 13, 37, 34, 38
10, 14, 13,  4, 38, 35, 39
11, 13,  3,  4, 36, 24, 35
12, 17, 10, 16, 46, 43, 47
13, 17,  9, 10, 48, 31, 46
14, 18,  9, 17, 50, 48, 51
15, 19,  8, 18, 53, 49, 54
16,  8, 19,  7, 53, 52, 29
17,  7, 20,  6, 55, 57, 28
18, 20, 21,  6, 60, 59, 57
19, 21, 22,  5, 61, 62, 58
20, 22,  1,  5, 63, 25, 62
**|||||||||||||||||||||||||||||||
*MATERIAL,NAME=AIR
*DENSITY
1.293, 
*ACOUSTIC MEDIUM,BULK MODULUS
1.42176E5, 
*SOLID SECTION,MATERIAL=AIR,ELSET=EALL
**
** Sets added by addodb
**
*Elset,Elset=ODB_ESET
EALL,
**
**
*Nset, Nset=ODB_NSET
ODB_NSET, top, bottom
**
**
*STEP
 OPEN/OPEN CONDITION
*FREQUENCY,EIGENSOLVER=AMS
14,,2000.,10.0,4.0,3.0
*OUTPUT,FIELD,FREQUENCY=0
*BOUNDARY
bottom,8
top,8
*NODE PRINT
POR,PPOR
*OUTPUT,HISTORY,freq=0
*MODAL OUTPUT,VARIABLE=ALL
*END STEP
*************************
*STEP
 OPEN/CLOSED CONDITION
*FREQUENCY,EIGENSOLVER=AMS
14,,2000.,10.0,4.0,3.0
*OUTPUT,FIELD,FREQUENCY=0
*BOUNDARY
bottom,8
*NODE PRINT
POR,PPOR
*OUTPUT,HISTORY,freq=0
*MODAL OUTPUT,VARIABLE=ALL
*END STEP