&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 /