&HEAD CHID='simple_grasshill_bf', TITLE='Simple hill case with boundary fuel' /
&MISC U0=1,TERRAIN_CASE=.TRUE.,FDS6=.FALSE. /
&TIME T_END=45 / 

grids
&MESH IJK=50,25,25, XB=0,50,-25, 0,0,25 /
&MESH IJK=50,25,25, XB=0,50,  0,25,0,25 /

&REAC ID='WOOD'
      FYI='Ritchie, et al., 5th IAFSS, C_3.4 H_6.2 O_2.5, dHc = 15MW/kg'
      C_EDC      = 0.15
      SOOT_YIELD = 0.02
      O          = 2.5
      C          = 3.4
      H          = 6.2
      HEAT_OF_COMBUSTION = 17700 /

&SPEC ID='WATER VAPOR' /

- GRASS AU F19
&SURF ID        = 'GRASS'
      VEGETATION = .TRUE.
      VEGETATION_CDRAG    = 0.375
      VEGETATION_LOAD     = 0.313
      VEGETATION_HEIGHT   = 0.51
      VEGETATION_MOISTURE = 0.06
      VEGETATION_SVRATIO  = 12240
      VEGETATION_CHAR_FRACTION  = 0.2
      VEGETATION_ELEMENT_DENSITY= 512
      EMISSIVITY = 0.99 
      RGB        = 122,117,48 /

- Ignitor fire
&SURF ID='LINEFIRE',HRRPUA=500,RAMP_Q='RAMPIGN',RGB=255,0,0 /
&RAMP ID='RAMPIGN',T=0,F=0 /
&RAMP ID='RAMPIGN',T=1,F=0 /
&RAMP ID='RAMPIGN',T=2,F=1 /
&RAMP ID='RAMPIGN',T=10,F=1 /
&RAMP ID='RAMPIGN',T=11,F=0 /
&VENT XB=5,6,-15,15,0,0,SURF_ID='LINEFIRE' /

-- Boundary conditions
&SURF ID='WIND',VEL=-1 /
&VENT MB = XMIN, SURF_ID = 'WIND' /
&VENT MB = XMAX, SURF_ID = 'OPEN' /
&VENT MB = YMIN, SURF_ID = 'OPEN' /
&VENT MB = YMAX, SURF_ID = 'OPEN' /
&VENT MB = ZMAX, SURF_ID = 'OPEN' /

- Hill and grass on slope
-- Grass on flat upwind of hill
&VENT XB=6,20,-20,20,0,0,SURF_ID='GRASS' /

-- upslope
&OBST XB=20,21,-20,20, 0, 1,SURF_ID='GRASS' /
&OBST XB=21,22,-20,20, 0, 2,SURF_ID='GRASS' /
&OBST XB=22,23,-20,20, 0, 3,SURF_ID='GRASS' /
&OBST XB=23,24,-20,20, 0, 4,SURF_ID='GRASS' /

&OBST XB=20,21,-25,-20, 0, 1 / no grass portion of hill
&OBST XB=21,22,-25,-20, 0, 2 /
&OBST XB=22,23,-25,-20, 0, 3 /
&OBST XB=23,24,-25,-20, 0, 4 /
&OBST XB=20,21, 20, 25, 0, 1 / 
&OBST XB=21,22, 20, 25, 0, 2 /
&OBST XB=22,23, 20, 25, 0, 3 /
&OBST XB=23,24, 20, 25, 0, 4 /

-- flat top
&OBST XB=24,28,-20,20, 0, 4,SURF_ID='GRASS' /

&OBST XB=24,28,-25,-20, 0, 4 /
&OBST XB=24,28, 20, 25, 0, 4 /

-- downslope
&OBST XB=28,29,-20,20, 0, 3,SURF_ID='GRASS'  /
&OBST XB=29,30,-20,20, 0, 2,SURF_ID='GRASS'  /
&OBST XB=30,31,-20,20, 0, 1,SURF_ID='GRASS'  /

&OBST XB=28,29,-25,-20, 0, 3  /
&OBST XB=29,30,-25,-20, 0, 2  /
&OBST XB=30,31,-25,-20, 0, 1  /
&OBST XB=28,29, 20, 25, 0, 3  /
&OBST XB=29,30, 20, 25, 0, 2  /
&OBST XB=30,31, 20, 25, 0, 1  /

-- grass downwind of hill
&VENT XB=31,45,-20,20, 0, 0,SURF_ID='GRASS'  /

- Outputs
&DUMP DT_SLCF=0.1,DT_BNDF=0.1,DT_PL3D=20 /
&SLCF PBY=0,QUANTITY='TEMPERATURE',VECTOR=.TRUE. /
&SLCF PBZ=2,QUANTITY='TEMPERATURE',VECTOR=.TRUE. /
&SLCF PBZ=10,AGL_SLICE=2,QUANTITY='TEMPERATURE',VECTOR=.TRUE. /

&ISOF QUANTITY='HRRPUV',VALUE(1)=20 /

&BNDF QUANTITY='WALL TEMPERATURE'/
&BNDF QUANTITY='WALL THICKNESS'/
&BNDF QUANTITY='BURNING RATE'/

&TAIL /