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FDS Validation: add surface temperature ramp for UMD Burning Rate Emulator cases #14873

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Merged
rmcdermo merged 2 commits into from
Jul 21, 2025
Merged

FDS Validation: add surface temperature ramp for UMD Burning Rate Emulator cases #14873

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9c2d990
FDS Validation: update BRE input files step 1
rmcdermo Jul 21, 2025
5799628
FDS Validation: add T_SURF ramp to BRE input files
rmcdermo Jul 21, 2025
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21 changes: 18 additions & 3 deletions Validation/UMD_Burning_Rate_Emulator/FDS_Input_Files/BRE25_Test_10_1mm.fds
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -15,14 +15,14 @@

&DUMP DT_SLCF=0.1, DT_DEVC=0.1 /

&MISC SIMULATION_MODE='DNS', GVEC(3)=0., P_INF=101325, STRATIFICATION=F
&MISC SIMULATION_MODE='LES', GVEC(3)=0., P_INF=101325, STRATIFICATION=F
Y_O2_INFTY=0.2864, Y_CO2_INFTY=0., HUMIDITY=0., TMPA=25, CONSTANT_SPECIFIC_HEAT_RATIO=F/

&COMB SUPPRESSION=F /

&RADI RADIATION=T /

&REAC FUEL='50% C2H4'/
&REAC RADIATIVE_FRACTION=0, FUEL='50% C2H4'/

&SPEC ID='50% C2H4',
VOLUME_FRACTION(1)=0.5, SPEC_ID(1)='ETHYLENE',
Expand All @@ -31,7 +31,7 @@
&SPEC ID='ETHYLENE', LUMPED_COMPONENT_ONLY=T/
&SPEC ID='NITROGEN', LUMPED_COMPONENT_ONLY=T/

&SURF ID='burner', TAU_MF=0.01, MASS_FLUX=7.4E-03, SPEC_ID='50% C2H4', TMP_FRONT=33.4, COLOR='RED'/
&SURF ID='burner', TAU_MF=0.01, MASS_FLUX=7.4E-03, SPEC_ID='50% C2H4', TMP_FRONT=33.4, COLOR='RED', RAMP_T='T_S_ramp'/

&OBST XB=0,0.0125,-0.5,0.5,-0.08,0, SURF_IDS='burner','INERT','INERT'/

Expand Down Expand Up @@ -59,4 +59,19 @@
&DEVC XYZ=0.00825,0,0.0001, IOR=3, QUANTITY='GAUGE HEAT FLUX', ID='qgauge8mm', PROP_ID='hfp'/
&PROP ID='hfp', GAUGE_TEMPERATURE=31.5, GAUGE_EMISSIVITY=0.97 /




&RAMP ID='T_S_ramp', T=0.000, F=0.000000/
&RAMP ID='T_S_ramp', T=0.500, F=0.632149/
&RAMP ID='T_S_ramp', T=1.000, F=0.864704/
&RAMP ID='T_S_ramp', T=1.500, F=0.950256/
&RAMP ID='T_S_ramp', T=2.000, F=0.981729/
&RAMP ID='T_S_ramp', T=2.500, F=0.993307/
&RAMP ID='T_S_ramp', T=3.000, F=0.997567/
&RAMP ID='T_S_ramp', T=3.500, F=0.999133/
&RAMP ID='T_S_ramp', T=4.000, F=0.999710/
&RAMP ID='T_S_ramp', T=4.500, F=0.999922/
&RAMP ID='T_S_ramp', T=5.000, F=1.000000/

&TAIL /
21 changes: 18 additions & 3 deletions Validation/UMD_Burning_Rate_Emulator/FDS_Input_Files/BRE25_Test_11_1mm.fds
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Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -15,14 +15,14 @@

&DUMP DT_SLCF=0.1, DT_DEVC=0.1 /

&MISC SIMULATION_MODE='DNS', GVEC(3)=0., P_INF=82073.3, STRATIFICATION=F
&MISC SIMULATION_MODE='LES', GVEC(3)=0., P_INF=82073.3, STRATIFICATION=F
Y_O2_INFTY=0.2864, Y_CO2_INFTY=0., HUMIDITY=0., TMPA=25, CONSTANT_SPECIFIC_HEAT_RATIO=F/

&COMB SUPPRESSION=F /

&RADI RADIATION=T /

&REAC FUEL='50% C2H4'/
&REAC RADIATIVE_FRACTION=0, FUEL='50% C2H4'/

&SPEC ID='50% C2H4',
VOLUME_FRACTION(1)=0.5, SPEC_ID(1)='ETHYLENE',
Expand All @@ -31,7 +31,7 @@
&SPEC ID='ETHYLENE', LUMPED_COMPONENT_ONLY=T/
&SPEC ID='NITROGEN', LUMPED_COMPONENT_ONLY=T/

&SURF ID='burner', TAU_MF=0.01, MASS_FLUX=7.5E-03, SPEC_ID='50% C2H4', TMP_FRONT=32.9, COLOR='RED'/
&SURF ID='burner', TAU_MF=0.01, MASS_FLUX=7.5E-03, SPEC_ID='50% C2H4', TMP_FRONT=32.9, COLOR='RED', RAMP_T='T_S_ramp'/

&OBST XB=0,0.0125,-0.5,0.5,-0.08,0, SURF_IDS='burner','INERT','INERT'/

Expand Down Expand Up @@ -59,4 +59,19 @@
&DEVC XYZ=0.00825,0,0.0001, IOR=3, QUANTITY='GAUGE HEAT FLUX', ID='qgauge8mm', PROP_ID='hfp'/
&PROP ID='hfp', GAUGE_TEMPERATURE=30.6, GAUGE_EMISSIVITY=0.97 /




&RAMP ID='T_S_ramp', T=0.000, F=0.000000/
&RAMP ID='T_S_ramp', T=0.500, F=0.632149/
&RAMP ID='T_S_ramp', T=1.000, F=0.864704/
&RAMP ID='T_S_ramp', T=1.500, F=0.950256/
&RAMP ID='T_S_ramp', T=2.000, F=0.981729/
&RAMP ID='T_S_ramp', T=2.500, F=0.993307/
&RAMP ID='T_S_ramp', T=3.000, F=0.997567/
&RAMP ID='T_S_ramp', T=3.500, F=0.999133/
&RAMP ID='T_S_ramp', T=4.000, F=0.999710/
&RAMP ID='T_S_ramp', T=4.500, F=0.999922/
&RAMP ID='T_S_ramp', T=5.000, F=1.000000/

&TAIL /
21 changes: 18 additions & 3 deletions Validation/UMD_Burning_Rate_Emulator/FDS_Input_Files/BRE25_Test_12_1mm.fds
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Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -15,14 +15,14 @@

&DUMP DT_SLCF=0.1, DT_DEVC=0.1 /

&MISC SIMULATION_MODE='DNS', GVEC(3)=0., P_INF=101325, STRATIFICATION=F
&MISC SIMULATION_MODE='LES', GVEC(3)=0., P_INF=101325, STRATIFICATION=F
Y_O2_INFTY=0.2329, Y_CO2_INFTY=0., HUMIDITY=0., TMPA=25, CONSTANT_SPECIFIC_HEAT_RATIO=F/

&COMB SUPPRESSION=F /

&RADI RADIATION=T /

&REAC FUEL='50% C2H4'/
&REAC RADIATIVE_FRACTION=0, FUEL='50% C2H4'/

&SPEC ID='50% C2H4',
VOLUME_FRACTION(1)=0.5, SPEC_ID(1)='ETHYLENE',
Expand All @@ -31,7 +31,7 @@
&SPEC ID='ETHYLENE', LUMPED_COMPONENT_ONLY=T/
&SPEC ID='NITROGEN', LUMPED_COMPONENT_ONLY=T/

&SURF ID='burner', TAU_MF=0.01, MASS_FLUX=9.24E-03, SPEC_ID='50% C2H4', TMP_FRONT=30.7, COLOR='RED'/
&SURF ID='burner', TAU_MF=0.01, MASS_FLUX=9.24E-03, SPEC_ID='50% C2H4', TMP_FRONT=30.7, COLOR='RED', RAMP_T='T_S_ramp'/

&OBST XB=0,0.0125,-0.5,0.5,-0.08,0, SURF_IDS='burner','INERT','INERT'/

Expand Down Expand Up @@ -59,4 +59,19 @@
&DEVC XYZ=0.00825,0,0.0001, IOR=3, QUANTITY='GAUGE HEAT FLUX', ID='qgauge8mm', PROP_ID='hfp'/
&PROP ID='hfp', GAUGE_TEMPERATURE=28.9, GAUGE_EMISSIVITY=0.97 /




&RAMP ID='T_S_ramp', T=0.000, F=0.000000/
&RAMP ID='T_S_ramp', T=0.500, F=0.632149/
&RAMP ID='T_S_ramp', T=1.000, F=0.864704/
&RAMP ID='T_S_ramp', T=1.500, F=0.950256/
&RAMP ID='T_S_ramp', T=2.000, F=0.981729/
&RAMP ID='T_S_ramp', T=2.500, F=0.993307/
&RAMP ID='T_S_ramp', T=3.000, F=0.997567/
&RAMP ID='T_S_ramp', T=3.500, F=0.999133/
&RAMP ID='T_S_ramp', T=4.000, F=0.999710/
&RAMP ID='T_S_ramp', T=4.500, F=0.999922/
&RAMP ID='T_S_ramp', T=5.000, F=1.000000/

&TAIL /
21 changes: 18 additions & 3 deletions Validation/UMD_Burning_Rate_Emulator/FDS_Input_Files/BRE25_Test_13_1mm.fds
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Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -15,14 +15,14 @@

&DUMP DT_SLCF=0.1, DT_DEVC=0.1 /

&MISC SIMULATION_MODE='DNS', GVEC(3)=0., P_INF=82073.3, STRATIFICATION=F
&MISC SIMULATION_MODE='LES', GVEC(3)=0., P_INF=82073.3, STRATIFICATION=F
Y_O2_INFTY=0.2864, Y_CO2_INFTY=0., HUMIDITY=0., TMPA=25, CONSTANT_SPECIFIC_HEAT_RATIO=F/

&COMB SUPPRESSION=F /

&RADI RADIATION=T /

&REAC FUEL='50% C2H4'/
&REAC RADIATIVE_FRACTION=0, FUEL='50% C2H4'/

&SPEC ID='50% C2H4',
VOLUME_FRACTION(1)=0.5, SPEC_ID(1)='ETHYLENE',
Expand All @@ -31,7 +31,7 @@
&SPEC ID='ETHYLENE', LUMPED_COMPONENT_ONLY=T/
&SPEC ID='NITROGEN', LUMPED_COMPONENT_ONLY=T/

&SURF ID='burner', TAU_MF=0.01, MASS_FLUX=9.01E-03, SPEC_ID='50% C2H4', TMP_FRONT=31.8, COLOR='RED'/
&SURF ID='burner', TAU_MF=0.01, MASS_FLUX=9.01E-03, SPEC_ID='50% C2H4', TMP_FRONT=31.8, COLOR='RED', RAMP_T='T_S_ramp'/

&OBST XB=0,0.0125,-0.5,0.5,-0.08,0, SURF_IDS='burner','INERT','INERT'/

Expand Down Expand Up @@ -59,4 +59,19 @@
&DEVC XYZ=0.00825,0,0.0001, IOR=3, QUANTITY='GAUGE HEAT FLUX', ID='qgauge8mm', PROP_ID='hfp'/
&PROP ID='hfp', GAUGE_TEMPERATURE=29.5, GAUGE_EMISSIVITY=0.97 /




&RAMP ID='T_S_ramp', T=0.000, F=0.000000/
&RAMP ID='T_S_ramp', T=0.500, F=0.632149/
&RAMP ID='T_S_ramp', T=1.000, F=0.864704/
&RAMP ID='T_S_ramp', T=1.500, F=0.950256/
&RAMP ID='T_S_ramp', T=2.000, F=0.981729/
&RAMP ID='T_S_ramp', T=2.500, F=0.993307/
&RAMP ID='T_S_ramp', T=3.000, F=0.997567/
&RAMP ID='T_S_ramp', T=3.500, F=0.999133/
&RAMP ID='T_S_ramp', T=4.000, F=0.999710/
&RAMP ID='T_S_ramp', T=4.500, F=0.999922/
&RAMP ID='T_S_ramp', T=5.000, F=1.000000/

&TAIL /
21 changes: 18 additions & 3 deletions Validation/UMD_Burning_Rate_Emulator/FDS_Input_Files/BRE25_Test_14_1mm.fds
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Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -15,14 +15,14 @@

&DUMP DT_SLCF=0.1, DT_DEVC=0.1 /

&MISC SIMULATION_MODE='DNS', GVEC(3)=0., P_INF=101325, STRATIFICATION=F
&MISC SIMULATION_MODE='LES', GVEC(3)=0., P_INF=101325, STRATIFICATION=F
Y_O2_INFTY=0.3287, Y_CO2_INFTY=0., HUMIDITY=0., TMPA=25, CONSTANT_SPECIFIC_HEAT_RATIO=F/

&COMB SUPPRESSION=F /

&RADI RADIATION=T /

&REAC FUEL='50% C2H4'/
&REAC RADIATIVE_FRACTION=0, FUEL='50% C2H4'/

&SPEC ID='50% C2H4',
VOLUME_FRACTION(1)=0.5, SPEC_ID(1)='ETHYLENE',
Expand All @@ -31,7 +31,7 @@
&SPEC ID='ETHYLENE', LUMPED_COMPONENT_ONLY=T/
&SPEC ID='NITROGEN', LUMPED_COMPONENT_ONLY=T/

&SURF ID='burner', TAU_MF=0.01, MASS_FLUX=6.89E-03, SPEC_ID='50% C2H4', TMP_FRONT=35.0, COLOR='RED'/
&SURF ID='burner', TAU_MF=0.01, MASS_FLUX=6.89E-03, SPEC_ID='50% C2H4', TMP_FRONT=35.0, COLOR='RED', RAMP_T='T_S_ramp'/

&OBST XB=0,0.0125,-0.5,0.5,-0.08,0, SURF_IDS='burner','INERT','INERT'/

Expand Down Expand Up @@ -59,4 +59,19 @@
&DEVC XYZ=0.00825,0,0.0001, IOR=3, QUANTITY='GAUGE HEAT FLUX', ID='qgauge8mm', PROP_ID='hfp'/
&PROP ID='hfp', GAUGE_TEMPERATURE=31.5, GAUGE_EMISSIVITY=0.97 /




&RAMP ID='T_S_ramp', T=0.000, F=0.000000/
&RAMP ID='T_S_ramp', T=0.500, F=0.632149/
&RAMP ID='T_S_ramp', T=1.000, F=0.864704/
&RAMP ID='T_S_ramp', T=1.500, F=0.950256/
&RAMP ID='T_S_ramp', T=2.000, F=0.981729/
&RAMP ID='T_S_ramp', T=2.500, F=0.993307/
&RAMP ID='T_S_ramp', T=3.000, F=0.997567/
&RAMP ID='T_S_ramp', T=3.500, F=0.999133/
&RAMP ID='T_S_ramp', T=4.000, F=0.999710/
&RAMP ID='T_S_ramp', T=4.500, F=0.999922/
&RAMP ID='T_S_ramp', T=5.000, F=1.000000/

&TAIL /
21 changes: 18 additions & 3 deletions Validation/UMD_Burning_Rate_Emulator/FDS_Input_Files/BRE25_Test_15_1mm.fds
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -15,14 +15,14 @@

&DUMP DT_SLCF=0.1, DT_DEVC=0.1 /

&MISC SIMULATION_MODE='DNS', GVEC(3)=0., P_INF=70927.5, STRATIFICATION=F
&MISC SIMULATION_MODE='LES', GVEC(3)=0., P_INF=70927.5, STRATIFICATION=F
Y_O2_INFTY=0.3287, Y_CO2_INFTY=0., HUMIDITY=0., TMPA=25, CONSTANT_SPECIFIC_HEAT_RATIO=F/

&COMB SUPPRESSION=F /

&RADI RADIATION=T /

&REAC FUEL='50% C2H4'/
&REAC RADIATIVE_FRACTION=0, FUEL='50% C2H4'/

&SPEC ID='50% C2H4',
VOLUME_FRACTION(1)=0.5, SPEC_ID(1)='ETHYLENE',
Expand All @@ -31,7 +31,7 @@
&SPEC ID='ETHYLENE', LUMPED_COMPONENT_ONLY=T/
&SPEC ID='NITROGEN', LUMPED_COMPONENT_ONLY=T/

&SURF ID='burner', TAU_MF=0.01, MASS_FLUX=8.87E-03, SPEC_ID='50% C2H4', TMP_FRONT=34.6, COLOR='RED'/
&SURF ID='burner', TAU_MF=0.01, MASS_FLUX=8.87E-03, SPEC_ID='50% C2H4', TMP_FRONT=34.6, COLOR='RED', RAMP_T='T_S_ramp'/

&OBST XB=0,0.0125,-0.5,0.5,-0.08,0, SURF_IDS='burner','INERT','INERT'/

Expand Down Expand Up @@ -59,4 +59,19 @@
&DEVC XYZ=0.00825,0,0.0001, IOR=3, QUANTITY='GAUGE HEAT FLUX', ID='qgauge8mm', PROP_ID='hfp'/
&PROP ID='hfp', GAUGE_TEMPERATURE=29.2, GAUGE_EMISSIVITY=0.97 /




&RAMP ID='T_S_ramp', T=0.000, F=0.000000/
&RAMP ID='T_S_ramp', T=0.500, F=0.632149/
&RAMP ID='T_S_ramp', T=1.000, F=0.864704/
&RAMP ID='T_S_ramp', T=1.500, F=0.950256/
&RAMP ID='T_S_ramp', T=2.000, F=0.981729/
&RAMP ID='T_S_ramp', T=2.500, F=0.993307/
&RAMP ID='T_S_ramp', T=3.000, F=0.997567/
&RAMP ID='T_S_ramp', T=3.500, F=0.999133/
&RAMP ID='T_S_ramp', T=4.000, F=0.999710/
&RAMP ID='T_S_ramp', T=4.500, F=0.999922/
&RAMP ID='T_S_ramp', T=5.000, F=1.000000/

&TAIL /
21 changes: 18 additions & 3 deletions Validation/UMD_Burning_Rate_Emulator/FDS_Input_Files/BRE25_Test_16_1mm.fds
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -15,14 +15,14 @@

&DUMP DT_SLCF=0.1, DT_DEVC=0.1 /

&MISC SIMULATION_MODE='DNS', GVEC(3)=0., P_INF=101325, STRATIFICATION=F
&MISC SIMULATION_MODE='LES', GVEC(3)=0., P_INF=101325, STRATIFICATION=F
Y_O2_INFTY=0.2329, Y_CO2_INFTY=0., HUMIDITY=0., TMPA=25, CONSTANT_SPECIFIC_HEAT_RATIO=F/

&COMB SUPPRESSION=F /

&RADI RADIATION=T /

&REAC FUEL='50% C2H4'/
&REAC RADIATIVE_FRACTION=0, FUEL='50% C2H4'/

&SPEC ID='50% C2H4',
VOLUME_FRACTION(1)=0.5, SPEC_ID(1)='ETHYLENE',
Expand All @@ -31,7 +31,7 @@
&SPEC ID='ETHYLENE', LUMPED_COMPONENT_ONLY=T/
&SPEC ID='NITROGEN', LUMPED_COMPONENT_ONLY=T/

&SURF ID='burner', TAU_MF=0.01, MASS_FLUX=11.68E-03, SPEC_ID='50% C2H4', TMP_FRONT=32.0, COLOR='RED'/
&SURF ID='burner', TAU_MF=0.01, MASS_FLUX=11.68E-03, SPEC_ID='50% C2H4', TMP_FRONT=32.0, COLOR='RED', RAMP_T='T_S_ramp'/

&OBST XB=0,0.0125,-0.5,0.5,-0.08,0, SURF_IDS='burner','INERT','INERT'/

Expand Down Expand Up @@ -59,4 +59,19 @@
&DEVC XYZ=0.00825,0,0.0001, IOR=3, QUANTITY='GAUGE HEAT FLUX', ID='qgauge8mm', PROP_ID='hfp'/
&PROP ID='hfp', GAUGE_TEMPERATURE=28.7, GAUGE_EMISSIVITY=0.97 /




&RAMP ID='T_S_ramp', T=0.000, F=0.000000/
&RAMP ID='T_S_ramp', T=0.500, F=0.632149/
&RAMP ID='T_S_ramp', T=1.000, F=0.864704/
&RAMP ID='T_S_ramp', T=1.500, F=0.950256/
&RAMP ID='T_S_ramp', T=2.000, F=0.981729/
&RAMP ID='T_S_ramp', T=2.500, F=0.993307/
&RAMP ID='T_S_ramp', T=3.000, F=0.997567/
&RAMP ID='T_S_ramp', T=3.500, F=0.999133/
&RAMP ID='T_S_ramp', T=4.000, F=0.999710/
&RAMP ID='T_S_ramp', T=4.500, F=0.999922/
&RAMP ID='T_S_ramp', T=5.000, F=1.000000/

&TAIL /
21 changes: 18 additions & 3 deletions Validation/UMD_Burning_Rate_Emulator/FDS_Input_Files/BRE25_Test_17_1mm.fds
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -15,16 +15,16 @@

&DUMP DT_SLCF=0.1, DT_DEVC=0.1 /

&MISC SIMULATION_MODE='DNS', GVEC(3)=0., P_INF=101325, STRATIFICATION=F
&MISC SIMULATION_MODE='LES', GVEC(3)=0., P_INF=101325, STRATIFICATION=F
Y_O2_INFTY=0.2329, Y_CO2_INFTY=0., HUMIDITY=0., TMPA=25, CONSTANT_SPECIFIC_HEAT_RATIO=F/

&COMB SUPPRESSION=F /

&RADI RADIATION=T /

&REAC FUEL='ETHYLENE' /
&REAC RADIATIVE_FRACTION=0, FUEL='ETHYLENE' /

&SURF ID='burner', TAU_MF=0.01, MASS_FLUX=7.83E-03, SPEC_ID='ETHYLENE', TMP_FRONT=31.4, COLOR='RED'/
&SURF ID='burner', TAU_MF=0.01, MASS_FLUX=7.83E-03, SPEC_ID='ETHYLENE', TMP_FRONT=31.4, COLOR='RED', RAMP_T='T_S_ramp'/

&OBST XB=0,0.0125,-0.5,0.5,-0.08,0, SURF_IDS='burner','INERT','INERT'/

Expand Down Expand Up @@ -52,4 +52,19 @@
&DEVC XYZ=0.00825,0,0.0001, IOR=3, QUANTITY='GAUGE HEAT FLUX', ID='qgauge8mm', PROP_ID='hfp'/
&PROP ID='hfp', GAUGE_TEMPERATURE=27.9, GAUGE_EMISSIVITY=0.97 /




&RAMP ID='T_S_ramp', T=0.000, F=0.000000/
&RAMP ID='T_S_ramp', T=0.500, F=0.632149/
&RAMP ID='T_S_ramp', T=1.000, F=0.864704/
&RAMP ID='T_S_ramp', T=1.500, F=0.950256/
&RAMP ID='T_S_ramp', T=2.000, F=0.981729/
&RAMP ID='T_S_ramp', T=2.500, F=0.993307/
&RAMP ID='T_S_ramp', T=3.000, F=0.997567/
&RAMP ID='T_S_ramp', T=3.500, F=0.999133/
&RAMP ID='T_S_ramp', T=4.000, F=0.999710/
&RAMP ID='T_S_ramp', T=4.500, F=0.999922/
&RAMP ID='T_S_ramp', T=5.000, F=1.000000/

&TAIL /
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