*HEADING
ELEMENT TESTED      : S4R
SECONDARY SURFACE TYPE  : NODE
MAIN SURFACE TYPE : NODE
*PREPRINT, ECHO=YES, MODEL=YES, HISTORY=YES
*NODE
      1,          30.,           0.
      2,           0.,          30.
      3,           0.,          10.
      4,          10.,           0.
      5,          50.,           0.
      6,           0.,          50.
*ELEMENT, TYPE=S4R, ELSET=EALL
1, 1, 2, 3, 4
2, 2, 1, 5, 6
*NSET, NSET=NBC
 3, 4
*NSET, NSET=NSECONDARY
 1, 4, 5
*NSET, NSET=NMAIN
 2, 3, 6
*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
12,
*OUTPUT, FIELD, FREQUENCY=0
*END STEP