*HEADING
  BARREL VAULT (30 X 30 MESH) SR95
*PREPRINT,ECHO=YES,MODEL=NO,HISTORY=NO
*NODE ,  SYSTEM=C,NSET=CORNER
*NGEN,LINE=C,NSET=WALL
*NGEN,LINE=C, NSET=SYMM
*NFILL
WALL,SYMM,60,1
*NGEN,NSET=APEX
*ELEMENT,TYPE=S9R5 ,ELSET=ROOF1
*ELGEN,ELSET=ROOF
*MATERIAL,NAME=STEEL
*ELASTIC
3.E6,
*BOUNDARY
APEX,YSYMM
SYMM,ZSYMM
WALL,1,2
*SHELL SECTION,MATERIAL=STEEL,ELSET=ROOF
3.0, 3
*STEP
 SELF-WEIGHT
*STATIC
*DLOAD
ROOF, BX, -0.20833
*EL PRINT,FREQUENCY=0
*EL FILE,ELSET=ROOF1
S,
E,
*NODE FILE,NSET=CORNER
U,
RF,
*END STEP