*HEADING
 BARREL VAULT  ( 8 X 8 MESH , SC6R)     
*PREPRINT,ECHO=YES,MODEL=NO,HISTORY=NO
*NODE,SYSTEM=C,NSET=CORNER
 1,298.5,0.,0.,
 9,298.5,,300.
 81,298.5,40.,
 89,298.5,40.,300.
 1001,301.5,0.,0.,
 1009,301.5,,300.
 1081,301.5,40.,
 1089,301.5,40.,300.
*NGEN,LINE=C,NSET=WALL
 1,81,10
 1001,1081,10
*NGEN,LINE=C,NSET=SYMM
 9,89,10,,,,300.
 1009,1089,10,,,,300.
*NFILL
 WALL,SYMM,8,1
*NGEN,NSET=APEX
 1,9
 1001,1009
*ELEMENT,TYPE=SC6R,ELSET=ROOF1
 1, 1001, 1002, 1012, 1,  2, 12
 2, 1001, 1012, 1011, 1, 12, 11
*ELGEN,ELSET=ROOF
 1,8,1,2,8,10,100
 2,8,1,2,8,10,100
*ELSET,ELSET=FEW
 1,2,3,4,5,6,7,8
*MATERIAL,NAME=STEEL
*ELASTIC
 3.E6, 
*BOUNDARY
 APEX,YSYMM
 SYMM,ZSYMM
 WALL,1,2
*SHELL SECTION,MATERIAL=STEEL,ELSET=ROOF,POISSON=ELASTIC
 3.0,3
*STEP
 SELF-WEIGHT
*STATIC
*DLOAD
 ROOF,BX,-0.20833
*ENERGY PRINT
*EL PRINT,ELSET=FEW
*EL FILE,ELSET=ROOF1
 S, 
 E, 
*NODE FILE,NSET=CORNER
 U, 
 RF, 
*ENERGY FILE
*END STEP