*HEADING
 BARREL VAULT  ( 8 X 8 MESH , SC8R)  
*PREPRINT,ECHO=YES,MODEL=YES,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.
101, 301.5, 0., 0.,
109, 301.5,   , 300.
181, 301.5, 40.,
189, 301.5, 40.,300.
*NGEN,LINE=C,NSET=WALL
   1, 81, 10
 101,181, 10
*NGEN,LINE=C,NSET=SYMM
   9,  89, 10,,,, 300.
 109, 189, 10,,,, 300.
*NFILL
 WALL,SYMM,8,1
*NGEN,NSET=APEX
 1, 9
 101, 109
*ELEMENT,TYPE=SC8R,ELSET=ROOF1
 1, 101, 102, 112, 111, 1, 2, 12, 11
*ELGEN,ELSET=ROOF
 1,8,1,1,8,10,8
*MATERIAL,NAME=STEEL
*ELASTIC
 3.E6, 0.0
*BOUNDARY
 APEX,YSYMM
 SYMM,ZSYMM
 WALL,1,2
*SHELL SECTION,MATERIAL=STEEL,ELSET=ROOF,POISSON=ELASTIC
 1.0,
*STEP
 SELF-WEIGHT
*STATIC
 0.1, 1.0
*DLOAD
 ROOF,BX,-0.20833
*ENERGY PRINT
*EL FILE,ELSET=ROOF1
 S, 
 E, 
*NODE FILE,NSET=CORNER
 U, 
 RF, 
*NODE PRINT, TOTAL=YES
 RF,
*NODE PRINT
 U,
*ENERGY FILE
*END STEP