*HEADING
ELEMENT TESTED      : S8R
SECONDARY SURFACE TYPE  : NODE
MAIN SURFACE TYPE : NODE
*PREPRINT, ECHO=YES, MODEL=YES, HISTORY=YES
*NODE
      1,           0.,          30.
      2,          15.,          15.
      3,          25.,          25.
      4,           0.,          50.
      5,           0.,          10.
      6,           5.,           5.
      7,          30.,           0.
      8,          50.,           0.
      9,          10.,           0.
     10,          7.5,         22.5
     11,          20.,          20.
     12,         12.5,         37.5
     13,           0.,          40.
     14,           0.,          20.
     15,          2.5,          7.5
     16,          10.,          10.
     17,         22.5,          7.5
     18,          40.,           0.
     19,         37.5,         12.5
     20,          7.5,          2.5
     21,          20.,           0.
*ELEMENT, TYPE=S8R, ELSET=EALL
1,  1,  2,  3,  4, 10, 11, 12, 13
2,  2,  1,  5,  6, 10, 14, 15, 16
3,  2,  7,  8,  3, 17, 18, 19, 11
4,  7,  2,  6,  9, 17, 16, 20, 21
*NSET, NSET=NBC
  5,  6,  9, 15, 20
*NSET, NSET=NSECONDARY
  7,  8,  9, 18, 21
*NSET, NSET=NMAIN
  1,  4,  5, 13, 14
*SURFACE, NAME=SSECONDARY, TYPE=NODE
NSECONDARY,
*SURFACE, NAME=SMAIN, TYPE=NODE
NMAIN,
*SHELL SECTION, ELSET=EALL,MATERIAL=MAT
1., 
*MATERIAL,NAME=MAT
*ELASTIC
10E8,0.3
*DENSITY
100, 
*TIE, CYCLICSYM, POSITION=0.5, NAME=TIE1
 SSECONDARY, SMAIN
*CYCLIC SYMMETRY MODEL,N=4
 0,0,0, 0,0,1
*STEP
*FREQUENCY, EIGENSOLVER=LANCZOS, SIM=NO
14,
*OUTPUT, FIELD, FREQUENCY=0
*END STEP