*HEADING
EC3KAFE1: EIGENVALUE ANALYSIS OF AN UNCONSTRAINED 1-ELEMENT MESH  [AC3D20]
*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     ,0.0560
1005,0    ,0.1120,0.0560
1041,0.113,0     ,0.0560
1045,0.113,0.1120,0.0560
1061,0.123,0     ,0.0560
1065,0.123,0.1120,0.0560
1101,0.236,0.    ,0.0560
1105,0.236,0.1120,0.0560
2001,0    ,0     ,0.1120
2005,0    ,0.1120,0.1120
2041,0.113,0     ,0.1120
2045,0.113,0.1120,0.1120
2061,0.123,0     ,0.1120
2065,0.123,0.1120,0.1120
2101,0.236,0.    ,0.1120
2105,0.236,0.1120,0.1120
*NGEN,NSET=LEFT
   1,  5
1001,1005
2001,2005
*NGEN,NSET=RIGHT
 101, 105
1001,1005
2001,2005
*NGEN,NSET=BOT
   1,  41, 10
  41,  61, 10
  61, 101, 10
1001,1041, 10
1041,1061, 10
1061,1101, 10
2001,2041, 10
2041,2061, 10
2061,2101, 10
*NGEN,NSET=TOP
   5,  45,10
  45,  65,10
  65, 105,10
1005,1045,10
1045,1065,10
1065,1105,10
2005,2045,10
2045,2065,10
2065,2105,10
*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
2101,2105
2011,2015
2021,2025
2031,2035
2041,2045
2051,2055
2061,2065
2071,2075
2081,2085
2091,2095
2101,2105
*ELEMENT,TYPE=AC3D20,ELSET=ALL
 1,   1,  21,  23,   3,2001,2021,2023,2003,  11,  22,  13,   2,2011,2022,2013,
   2002,1001,1021,1023,1003
*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
8,
**Result mode shapes
*OUTPUT,FIELD,VARIABLE=PRESELECT,FREQUENCY=9999
*OUTPUT,HISTORY
*MODAL OUTPUT,VARIABLE=ALL
*ENDSTEP