*HEADING
 BARREL VAULT  ( 20 X 20 MESH ,  STRI65 ) 
*PREPRINT,ECHO=YES,MODEL=NO,HISTORY=NO
*NODE,SYSTEM=C,NSET=CORNER
 1,300.,0.,0.,
 41, 300.,, 300.
 2001, 300., 40.,
 2041, 300., 40., 300.
*NGEN,LINE=C,NSET=WALL
 1, 2001, 50
*NGEN,LINE=C,NSET=SYMM
 41, 2041,50,,,, 300.
*NFILL
WALL,SYMM,40,1
*NGEN,NSET=APEX
 1, 41
*ELEMENT,TYPE=STRI65,ELSET=ROOF1
    1,     1,     3,   103,     2,    53,    52
50001,     1,   103,   101,    52,   102,    51
*ELGEN,ELSET=ROOF
    1,    20,     2,     1,    20,   100,    20
50001,    20,     2,     1,    20,   100,    20
*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
*ENERGY PRINT
*EL PRINT,FREQUENCY=0
*EL FILE,ELSET=ROOF1
S, 
E, 
*NODE FILE,NSET=CORNER
U, 
RF, 
*END STEP