*HEADING
ELEMENT TESTED      : S4R
SLAVE SURFACE TYPE  : NODE
MASTER 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.
*ELEMENT, TYPE=S4R, ELSET=EALL
1, 1, 2, 3, 4
2, 2, 1, 5, 6
3, 2, 7, 8, 3
4, 7, 2, 6, 9
*NSET, NSET=NBC
 5, 6, 9
*NSET, NSET=NSLAVE, GENERATE
 7,  9,  1
*NSET, NSET=NMASTER
 1, 4, 5
*SURFACE, NAME=SSLAVE, TYPE=NODE
NSLAVE,
*SURFACE, NAME=SMASTER, TYPE=NODE
NMASTER,
*SHELL SECTION, ELSET=EALL,MATERIAL=MAT
1., 
*MATERIAL,NAME=MAT
*ELASTIC
10E8,0.3
*DENSITY
100, 
*TIE, CYCLICSYM, POSITION=0.5, NAME=TIE1
 SSLAVE, SMASTER
*CYCLIC SYMMETRY MODEL,N=4
 0,0,0, 0,0,1
*STEP
*FREQUENCY, EIGENSOLVER=LANCZOS
12,
*OUTPUT, FIELD, FREQUENCY=0
*END STEP