*HEADING
 BARREL VAULT  (18 X 18 S3RS)                
*PREPRINT,ECHO=YES,MODEL=NO,HISTORY=NO
*NODE,SYSTEM=C,NSET=CORNER
1,300.,0.,0.
19,300.,,300.
361,300.,40.,
379,300.,40.,300.
*NGEN,LINE=C,NSET=WALL
1,361,20
*NGEN,LINE=C,NSET=SYMM
19,379,20,,,,300.
*NFILL
WALL,SYMM,18,1
*NGEN,NSET=APEX
1,19
*ELEMENT,TYPE=S3RS,ELSET=ROOF1
1,1,2,22
2,1,22,21
*ELGEN,ELSET=ROOF
1,18,1,2,18,20,36
2,18,1,2,18,20,36
*MATERIAL,NAME=STEEL
*ELASTIC
 3.E6,
*DENSITY
8.
*BOUNDARY
APEX,YSYMM
SYMM,ZSYMM
WALL,1,2
*SHELL SECTION,ELSET=ROOF,MATERIAL=STEEL
3.,3
*AMPLITUDE,NAME=RAMP,DEFINITION=SMOOTH STEP
 0.0, 0.0,150, 1.0
*STEP,NLGEOM=NO
 SELF-WEIGHT
*DYNAMIC, EXPLICIT
  ,225
*DLOAD,AMP=RAMP
 ROOF,BX,-0.20833
*OUTPUT, FIELD, VAR=PRESELECT, NUMBER INTERVAL=5
**
** Output requests for qa testing
**
*NSET,NSET=QA_TEST
CORNER,
*OUTPUT,FIELD,NUM=1
*NODE OUTPUT,NSET=QA_TEST
U,
*OUTPUT,HISTORY,VAR=PRESELECT,TIME INTERVAL=56.25
*FILE OUTPUT,NUM=1
*NODE FILE,NSET=CORNER
U, 
*ENERGY FILE
*END STEP