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FDS Validation: Overhaul USFS_Catchpole cases #15920

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Merged
mcgratta merged 1 commit into from
Feb 4, 2026
Merged

FDS Validation: Overhaul USFS_Catchpole cases #15920

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120 changes: 1 addition & 119 deletions Validation/USFS_Catchpole/FDS_Input_Files/EX72.fds
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Open in desktop
Original file line number Diff line number Diff line change
@@ -1,62 +1,15 @@
&HEAD CHID='EX72', TITLE='Catchpole simulation using Lagrangian particles' /

&MISC TMPA=27 /
&TIME T_END=130.0 /

&MESH IJK=40,20,30, XB=-1.0,1.0,-1.5,-0.5,0.0,1.50, MULT_ID='mesh' /
&MULT ID='mesh', DX=2.0, DY=1.0, DZ=1.5, I_UPPER=4, J_UPPER=2, K_UPPER=1 /

&WIND SPEED=2.68 /

&VENT PBX=-1.0, SURF_ID='OPEN' /
&VENT PBX= 9.0, SURF_ID='OPEN' /

&OBST XB=-1.0,-0.9,-1.5,1.5,0.0,0.051 / Baffle upstream of fire

&OBST XB= 0.0, 8.0,-0.5,-0.5, 0.0, 0.051 / Rails on both sides of vegetation, matching height of vegetation
&OBST XB= 0.0, 8.0, 0.5, 0.5, 0.0, 0.051 /

&MATL ID = 'FIRE BOARD'
FYI = 'KAOWOOL M TEMPERATURE BOARD'
CONDUCTIVITY_RAMP = 'k_KAOWOOL'
SPECIFIC_HEAT = 1.1
DENSITY = 272.
EMISSIVITY = 0.80 /
&RAMP ID='k_KAOWOOL', T= 20., F=0.06 /
&RAMP ID='k_KAOWOOL', T= 260., F=0.06 /
&RAMP ID='k_KAOWOOL', T= 538., F=0.10 /
&RAMP ID='k_KAOWOOL', T= 816., F=0.15 /
&RAMP ID='k_KAOWOOL', T=1093., F=0.22 /

&SURF ID = 'SUBSTRATE'
MATL_ID = 'FIRE BOARD'
COLOR = 'FIREBRICK'
THICKNESS = 0.013 /

&VENT SURF_ID='SUBSTRATE', XB=0.05,8.0,-0.5,0.5,0,0 / fire board under vegetation

&MATL ID = 'STEEL'
FYI = 'Drysdale, Intro to Fire Dynamics'
EMISSIVITY = 0.95
SPECIFIC_HEAT = 0.46
CONDUCTIVITY = 45.8
DENSITY = 7850. /

&SURF ID='WALL'
MATL_ID='STEEL'
DEFAULT=.TRUE.
COLOR='GRAY 50'
THICKNESS=0.002 /

&REAC FUEL='WOOD FUEL VAPOR'
FYI='Ritchie, et al., 5th IAFSS, C_3.4 H_6.2 O_2.5'
SOOT_YIELD = 0.02
O = 2.5
C = 3.4
H = 6.2
HEAT_OF_COMBUSTION = 17260. /

&SPEC ID='WATER VAPOR' /
&CATF OTHER_FILES='common_inputs.txt' /

&SURF ID = 'Regular Excelsior'
MATL_ID = 'Dry Regular Excelsior'
Expand All @@ -79,68 +32,6 @@
MASS_PER_VOLUME = 9.15
DRY = T /

&SURF ID = 'NO BURN FUEL'
MATL_ID = 'NO BURN FUEL'
SURFACE_VOLUME_RATIO = 7596
LENGTH = 0.02
GEOMETRY = 'CYLINDRICAL' /

&PART ID = 'NO BURN FUEL'
DRAG_COEFFICIENT = 2.8
COLOR = 'OLIVE'
SURF_ID = 'NO BURN FUEL'
QUANTITIES = 'PARTICLE TEMPERATURE','PARTICLE MASS'
STATIC = .TRUE. /

&INIT ID = 'NO BURN FUEL'
PART_ID = 'NO BURN FUEL'
XB = -0.4,0.0,-1.5,1.5,0,0.051
N_PARTICLES_PER_CELL = 1
CELL_CENTERED = .TRUE.
MASS_PER_VOLUME = 9.15
DRY = T /

&MATL ID = 'NO BURN FUEL'
DENSITY = 398.0
CONDUCTIVITY = 0.11
SPECIFIC_HEAT_RAMP = 'cp_dry_veg' /

&MATL ID = 'Dry Regular Excelsior'
DENSITY = 398.0
CONDUCTIVITY = 0.11
SPECIFIC_HEAT_RAMP = 'cp_dry_veg'
A = 1040.
E = 61041.
MATL_ID = 'Char'
NU_MATL = 0.154
SPEC_ID = 'WOOD FUEL VAPOR'
NU_SPEC = 0.846
HEAT_OF_REACTION = 711.0 /

&MATL ID = 'Char'
DENSITY = 300.
CONDUCTIVITY = 0.052
SPECIFIC_HEAT_RAMP = 'cp_char'
SURFACE_OXIDATION_MODEL = T
A = 465.
E = 68000.
MATL_ID = 'Ash'
NU_MATL = 0.02
SPEC_ID = 'PRODUCTS','AIR'
NU_SPEC = 8.18,-7.2
HEAT_OF_REACTION = -25000. /

&MATL ID = 'Ash'
DENSITY = 67.
CONDUCTIVITY = 0.1
SPECIFIC_HEAT = 2.0 /

&RAMP ID='cp_dry_veg', T= 0., F=1.16 /
&RAMP ID='cp_dry_veg', T= 1000., F=5.027 /

&RAMP ID='cp_char', T= 27, F=0.715 /
&RAMP ID='cp_char', T= 1724, F=2.04 /

&SURF ID='IGN FIRE', HRRPUA=800., RAMP_Q='RAMPFIRE', COLOR='RED' /

&RAMP ID='RAMPFIRE',T= 0., F=0.0 /
Expand All @@ -150,15 +41,6 @@

&VENT XB=-0.05,0.05,-0.5,0.5,0,0, SURF_ID='IGN FIRE' /

&DUMP DT_PART=1, DT_DEVC=1, DT_HRR=1, DT_SLCF=1, DT_BNDF=1 /

&SLCF PBY= 0.0, QUANTITY='TEMPERATURE', VECTOR=.TRUE. /
&SLCF PBY= 0.0, QUANTITY='TEMPERATURE', CELL_CENTERED=.TRUE. /
&SLCF PBY= 0.0, QUANTITY='HRRPUV', CELL_CENTERED=.TRUE. /

&BNDF QUANTITY='WALL TEMPERATURE' /
&BNDF QUANTITY='GAUGE HEAT FLUX' /

&DEVC ID='x', QUANTITY='WALL TEMPERATURE', PART_ID='Regular Excelsior', SPATIAL_STATISTIC='MAXLOC X', XB=0,8,-0.1,0.1,0,0.203/

&DEVC ID='t', XYZ=0,0,0, QUANTITY='TIME', OUTPUT=F, SETPOINT=11.0/
Expand Down
120 changes: 1 addition & 119 deletions Validation/USFS_Catchpole/FDS_Input_Files/EX73.fds
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -1,62 +1,15 @@
&HEAD CHID='EX73', TITLE='Catchpole simulation using Lagrangian particles' /

&MISC TMPA=27 /
&TIME T_END=103.0 /

&MESH IJK=40,20,30, XB=-1.0,1.0,-1.5,-0.5,0.0,1.50, MULT_ID='mesh' /
&MULT ID='mesh', DX=2.0, DY=1.0, DZ=1.5, I_UPPER=4, J_UPPER=2, K_UPPER=1 /

&WIND SPEED=2.68 /

&VENT PBX=-1.0, SURF_ID='OPEN' /
&VENT PBX= 9.0, SURF_ID='OPEN' /

&OBST XB=-1.0,-0.9,-1.5,1.5,0.0,0.051 / Baffle upstream of fire

&OBST XB= 0.0, 8.0,-0.5,-0.5, 0.0, 0.051 / Rails on both sides of vegetation, matching height of vegetation
&OBST XB= 0.0, 8.0, 0.5, 0.5, 0.0, 0.051 /

&MATL ID = 'FIRE BOARD'
FYI = 'KAOWOOL M TEMPERATURE BOARD'
CONDUCTIVITY_RAMP = 'k_KAOWOOL'
SPECIFIC_HEAT = 1.1
DENSITY = 272.
EMISSIVITY = 0.80 /
&RAMP ID='k_KAOWOOL', T= 20., F=0.06 /
&RAMP ID='k_KAOWOOL', T= 260., F=0.06 /
&RAMP ID='k_KAOWOOL', T= 538., F=0.10 /
&RAMP ID='k_KAOWOOL', T= 816., F=0.15 /
&RAMP ID='k_KAOWOOL', T=1093., F=0.22 /

&SURF ID = 'SUBSTRATE'
MATL_ID = 'FIRE BOARD'
COLOR = 'FIREBRICK'
THICKNESS = 0.013 /

&VENT SURF_ID='SUBSTRATE', XB=0.05,8.0,-0.5,0.5,0,0 / fire board under vegetation

&MATL ID = 'STEEL'
FYI = 'Drysdale, Intro to Fire Dynamics'
EMISSIVITY = 0.95
SPECIFIC_HEAT = 0.46
CONDUCTIVITY = 45.8
DENSITY = 7850. /

&SURF ID='WALL'
MATL_ID='STEEL'
DEFAULT=.TRUE.
COLOR='GRAY 50'
THICKNESS=0.002 /

&REAC FUEL='WOOD FUEL VAPOR'
FYI='Ritchie, et al., 5th IAFSS, C_3.4 H_6.2 O_2.5'
SOOT_YIELD = 0.02
O = 2.5
C = 3.4
H = 6.2
HEAT_OF_COMBUSTION = 17260. /

&SPEC ID='WATER VAPOR' /
&CATF OTHER_FILES='common_inputs.txt' /

&SURF ID = 'Regular Excelsior'
MATL_ID = 'Dry Regular Excelsior'
Expand All @@ -79,68 +32,6 @@
MASS_PER_VOLUME = 9.15
DRY = T /

&SURF ID = 'NO BURN FUEL'
MATL_ID = 'NO BURN FUEL'
SURFACE_VOLUME_RATIO = 7596
LENGTH = 0.02
GEOMETRY = 'CYLINDRICAL' /

&PART ID = 'NO BURN FUEL'
DRAG_COEFFICIENT = 2.8
COLOR = 'OLIVE'
SURF_ID = 'NO BURN FUEL'
QUANTITIES = 'PARTICLE TEMPERATURE','PARTICLE MASS'
STATIC = .TRUE. /

&INIT ID = 'NO BURN FUEL'
PART_ID = 'NO BURN FUEL'
XB = -0.4,0.0,-1.5,1.5,0,0.051
N_PARTICLES_PER_CELL = 1
CELL_CENTERED = .TRUE.
MASS_PER_VOLUME = 9.15
DRY = T /

&MATL ID = 'NO BURN FUEL'
DENSITY = 398.0
CONDUCTIVITY = 0.11
SPECIFIC_HEAT_RAMP = 'cp_dry_veg' /

&MATL ID = 'Dry Regular Excelsior'
DENSITY = 398.0
CONDUCTIVITY = 0.11
SPECIFIC_HEAT_RAMP = 'cp_dry_veg'
A = 1040.
E = 61041.
MATL_ID = 'Char'
NU_MATL = 0.154
SPEC_ID = 'WOOD FUEL VAPOR'
NU_SPEC = 0.846
HEAT_OF_REACTION = 711.0 /

&MATL ID = 'Char'
DENSITY = 300.
CONDUCTIVITY = 0.052
SPECIFIC_HEAT_RAMP = 'cp_char'
SURFACE_OXIDATION_MODEL = T
A = 465.
E = 68000.
MATL_ID = 'Ash'
NU_MATL = 0.02
SPEC_ID = 'PRODUCTS','AIR'
NU_SPEC = 8.18,-7.2
HEAT_OF_REACTION = -25000. /

&MATL ID = 'Ash'
DENSITY = 67.
CONDUCTIVITY = 0.1
SPECIFIC_HEAT = 2.0 /

&RAMP ID='cp_dry_veg', T= 0., F=1.16 /
&RAMP ID='cp_dry_veg', T= 1000., F=5.027 /

&RAMP ID='cp_char', T= 27, F=0.715 /
&RAMP ID='cp_char', T= 1724, F=2.04 /

&SURF ID='IGN FIRE', HRRPUA=800., RAMP_Q='RAMPFIRE', COLOR='RED' /

&RAMP ID='RAMPFIRE',T= 0., F=0.0 /
Expand All @@ -150,15 +41,6 @@

&VENT XB=-0.05,0.05,-0.5,0.5,0,0, SURF_ID='IGN FIRE' /

&DUMP DT_PART=1, DT_DEVC=1, DT_HRR=1, DT_SLCF=1, DT_BNDF=1 /

&SLCF PBY= 0.0, QUANTITY='TEMPERATURE', VECTOR=.TRUE. /
&SLCF PBY= 0.0, QUANTITY='TEMPERATURE', CELL_CENTERED=.TRUE. /
&SLCF PBY= 0.0, QUANTITY='HRRPUV', CELL_CENTERED=.TRUE. /

&BNDF QUANTITY='WALL TEMPERATURE' /
&BNDF QUANTITY='GAUGE HEAT FLUX' /

&DEVC ID='x', QUANTITY='WALL TEMPERATURE', PART_ID='Regular Excelsior', SPATIAL_STATISTIC='MAXLOC X', XB=0,8,-0.1,0.1,0,0.203/

&DEVC ID='t', XYZ=0,0,0, QUANTITY='TIME', OUTPUT=F, SETPOINT=11.0/
Expand Down
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