*HEADING
EC26AFE1: EIGENVALUE ANALYSIS OF AN UNCONSTRAINED 1-ELEMENT MESH  [AC2D6]
*NODE, Nset=ODB_NSET
   1,0
   5,0    ,0.1120
  41,0.113,0
  45,0.113,0.1120
  61,0.123,0
  65,0.123,0.1120
 101,0.236,0.
 105,0.236,0.1120
1001,0    ,0     ,0.1120
1005,0    ,0.1120,0.1120
1041,0.113,0     ,0.1120
1045,0.113,0.1120,0.1120
1061,0.123,0     ,0.1120
1065,0.123,0.1120,0.1120
1101,0.236,0.    ,0.1120
1105,0.236,0.1120,0.1120
2001,2.825e-2,0,0
2021,5.65e-2,2.8e-2,0
2023,2.825e-2,2.8e-2,0
*NGEN,NSET=LEFT
   1,  5
1001,1005
*NGEN,NSET=RIGHT
 101, 105
1001,1005
*NGEN,NSET=BOT
   1,  41, 10
  41,  61, 10
  61, 101, 10
1001,1041, 10
1041,1061, 10
1061,1101, 10
*NGEN,NSET=TOP
   5,  45,10
  45,  65,10
  65, 105,10
1005,1045,10
1045,1065,10
1065,1105,10
*NGEN, Nset=ODB_NSET
  11,  15
  21,  25
  31,  35
  41,  45
  51,  55
  61,  65
  71,  75
  81,  85
  91,  95
 101, 105
1011,1015
1021,1025
1031,1035
1041,1045
1051,1055
1061,1065
1071,1075
1081,1085
1091,1095
1101,1105
*ELEMENT,TYPE=AC2D6,ELSET=ALL
 1,  1, 21, 23,2001,2021,2023
*SOLID SECTION,MATERIAL=ALL,ELSET=ALL
*MATERIAL,NAME=ALL
*DENSITY
 1.,
*ACOUSTIC MEDIUM,BULK MODULUS
1.183E5, 
**
** Sets added by addodb
**
*Elset,Elset=ODB_ESET
ALL,
**
**
*Nset, Nset=ODB_NSET
ODB_NSET, LEFT, RIGHT, BOT
TOP, 
**
**
*STEP
*FREQUENCY, eigensolver=lanczos, SIM=NO
9, , ,-1.E7 
*OUTPUT,FIELD
*MODAL OUTPUT
*OUTPUT,FIELD,VARIABLE=PRESELECT,OP=ADD,FREQUENCY=9999
*OUTPUT,FIELD, OP=ADD
*MODAL OUTPUT,VARIABLE=ALL
*OUTPUT,HISTORY,OP=ADD
*MODAL OUTPUT,VARIABLE=ALL
*ENDSTEP