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Merge pull request #15004 from rmcdermo/master
FDS Verification: remove dt=0.001 s tmp lower limit case
2 parents dbe3142 + a08b511 commit db0a2d0

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Manuals/FDS_Verification_Guide/FDS_Verification_Guide.tex

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@@ -1424,13 +1424,12 @@ \subsection{Temperature Bounds for Large Differences in Molecular Weight (\texor
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\subsection{Temperature Lower Bound in a Fire Simulation (\texorpdfstring{\ct{tmp_lower_limit}}{tmp\_lower\_limit})}
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\label{tmp_lower_limit}
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A 2-D methane-air diffusion flame calculation is run three different ways to check that the temperature does not fall below the ambient (20~$^\circ$C). The results are shown in Fig.~\ref{tmp_lower_limit_fig}. The upper left plot shows the global minimum temperature for the case where the reaction stoichiometry is specified explicitly. The upper right plot is for the case where the initial time step is lowered to 0.001~s. The lower plot is for the case where the simple chemistry model is used.
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A 2-D methane-air diffusion flame calculation is run three different ways to check that the temperature does not fall below the ambient (20~$^\circ$C). The results are shown in Fig.~\ref{tmp_lower_limit_fig}. The left plot shows the global minimum temperature for the case where the reaction stoichiometry is specified explicitly. Theright plot is for the case where the simple chemistry model is used.
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\begin{figure}[!ht]
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\begin{tabular*}{\textwidth}{l@{\extracolsep{\fill}}r}
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\includegraphics[height=2.2in]{SCRIPT_FIGURES/tmp_lower_limit_default} &
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\includegraphics[height=2.2in]{SCRIPT_FIGURES/tmp_lower_limit_dt_p001} \\
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\multicolumn{2}{c}{\includegraphics[height=2.2in]{SCRIPT_FIGURES/tmp_lower_limit_simple}}
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\includegraphics[height=2.2in]{SCRIPT_FIGURES/tmp_lower_limit_simple}
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\end{tabular*}
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\caption[Results of the \ct{tmp_lower_limit} cases]{Results of the \ct{tmp_lower_limit} cases.}
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\label{tmp_lower_limit_fig}

Utilities/Matlab/FDS_verification_dataplot_inputs.csv

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@@ -706,7 +706,6 @@ d,thick_orifice,Pressure_Effects/thick_orifice_5cm_git.txt,Pressure_Effects/thic
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d,test_hrr_2d_cyl,Energy_Budget/test_hrr_2d_cyl_git.txt,Energy_Budget/test_hrr_3d_hrr.csv,2,3,Time,HRR,3D HRR,k--,0,100000,,0,100000,-1.00E+09,1.00E+09,0,Energy_Budget/test_hrr_2d_cyl_hrr.csv,2,3,Time,HRR,2D Cyl HRR,k-,0,100000,,0,100000,-1.00E+09,1.00E+09,0,Heat Release Rate,Time (s),$\dot{Q}$ (kW),0,10,1,0,200,1,no,0.05 0.90,SouthEast,,1,linear,FDS_User_Guide/SCRIPT_FIGURES/test_hrr_2d_cyl,Relative Error,mean,0.01,Energy Budget,m+,m,LaTeX
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d,tmp_lower_limit,Fires/tmp_lower_limit_default_git.txt,Fires/tmp_lower_limit.csv,1,2,Time,T,Expected (min T),ko,0,100000,,0,100000,-1.00E+09,1.00E+09,0,Fires/tmp_lower_limit_default_devc.csv,2,3,Time,minT,FDS (min T),k-,0,100000,,0,100000,-1.00E+09,1.00E+09,0,Temperature Lower Limit (default),Time (s),Temperature (°C),0,1,1,0,40,1,no,0.05 0.90,SouthEast,,1,linear,FDS_Verification_Guide/SCRIPT_FIGURES/tmp_lower_limit_default,Absolute Error,threshold,0.2,Fires,kd,k,TeX
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d,tmp_lower_limit,Fires/tmp_lower_limit_simple_git.txt,Fires/tmp_lower_limit.csv,1,2,Time,T,Expected (min T),ko,0,100000,,0,100000,-1.00E+09,1.00E+09,0,Fires/tmp_lower_limit_simple_devc.csv,2,3,Time,minT,FDS (min T),k-,0,100000,,0,100000,-1.00E+09,1.00E+09,0,Temperature Lower Limit (simple),Time (s),Temperature (°C),0,1,1,0,40,1,no,0.05 0.90,SouthEast,,1,linear,FDS_Verification_Guide/SCRIPT_FIGURES/tmp_lower_limit_simple,Absolute Error,threshold,0.01,Fires,kd,k,TeX
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d,tmp_lower_limit,Fires/tmp_lower_limit_dt_p001_git.txt,Fires/tmp_lower_limit.csv,1,2,Time,T,Expected (min T),ko,0,100000,,0,100000,-1.00E+09,1.00E+09,0,Fires/tmp_lower_limit_dt_p001_devc.csv,2,3,Time,minT,FDS (min T),k-,0,100000,,0,100000,-1.00E+09,1.00E+09,0,Temperature Lower Limit (?t=0.001 s),Time (s),Temperature (°C),0,1,1,0,40,1,no,0.05 0.90,SouthEast,,1,linear,FDS_Verification_Guide/SCRIPT_FIGURES/tmp_lower_limit_dt_p001,Absolute Error,threshold,0.01,Fires,kd,k,TeX
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d,tunnel_const_gamma,Fires/tunnel_const_gamma_git.txt,Fires/tunnel_const_gamma.csv,1,2,x,p,Exact (p),ko,0,100000,,0,0.03,-1.00E+09,1.00E+09,0,Fires/tunnel_const_gamma_line.csv,2,3,x,p,FDS (p),k-,0,100000,,0,0.03,-1.00E+09,1.00E+09,0,Pressure (fire\_const\_gamma),Distance (m),Pressure (Pa),0,0.1,1,0,1,1,no,0.05 0.90,SouthEast,,1,linear,FDS_Verification_Guide/SCRIPT_FIGURES/tunnel_const_gamma_p,Relative Error,mean,0.01,Fires,r*,r,TeX
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d,tunnel_const_gamma,Fires/tunnel_const_gamma_git.txt,Fires/tunnel_const_gamma.csv,1,2,x,u,Exact (u),ko,0,100000,,0,100000,-1.00E+09,1.00E+09,0,Fires/tunnel_const_gamma_line.csv,2,3,x,u,FDS (u),k-,0,100000,,0,100000,-1.00E+09,1.00E+09,0,Velocity (fire\_const\_gamma),Distance (m),Velocity (m/s),0,0.1,1,0.5,2.5,1,no,0.05 0.90,SouthEast,,1,linear,FDS_Verification_Guide/SCRIPT_FIGURES/tunnel_const_gamma_u,Relative Error,end,0.01,Fires,r*,r,TeX
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d,tunnel_const_gamma,Fires/tunnel_const_gamma_git.txt,Fires/tunnel_const_gamma.csv,1,2,x,rho,Exact (rho),ko,0,100000,,0,100000,-1.00E+09,1.00E+09,0,Fires/tunnel_const_gamma_line.csv,2,3,x,rho,FDS (rho),k-,0,100000,,0,100000,-1.00E+09,1.00E+09,0,Density (fire\_const\_gamma),Distance (m),Density (kg/m³),0,0.1,1,0,1.5,1,no,0.05 0.90,SouthEast,,1,linear,FDS_Verification_Guide/SCRIPT_FIGURES/tunnel_const_gamma_rho,Relative Error,end,0.01,Fires,r*,r,TeX

Verification/Fires/tmp_lower_limit_dt_p001.fds

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