Merge pull request #13730 from marcosvanella/master

FDS Guides : Verification guide, add section on obst_activation tests.

Author: marcosvanella

Manuals/FDS_Verification_Guide/FDS_Verification_Guide.tex

@@ -2911,6 +2911,20 @@ \section{Multi-Mesh Layer Height Calculation (\texorpdfstring{\textct{layer}}{la
 \end{figure}
 
 
+\section{Isothermal flow around activated objects (\texorpdfstring{\textct{obst\_activation}}{obst\_activation})}
+\label{obst_activation_default}
+\label{obst_activation_ulmat}
+
+The cases presented here are found in input files {\ct Pressure\_Solver/obst\_activation\_default.fds} and {\ct obst\_activation\_ulmat.fds}. The domain is split in 4 meshes and several obstacles are made to disappear and appear during the simulation. These obstacles can be completely embedded inside meshes, or either overlap or abut mesh boundaries. Default and ULMAT pressure solvers are used. In figure~\ref{obst_act_fig}, maximum simulated temperatures in the domain vs time and ambient (target) temperature are shown.
+
+\begin{figure}[!ht]
+\centering
+\includegraphics[height=2.2in]{SCRIPT_FIGURES/obst_activation}
+\caption[Result of the \textct{obst\_activation} test cases]{Maximum temperature in domain vs time for isothermal flow around activated objects.}
+\label{obst_act_fig}
+\end{figure}
+
+
 \newpage
 
 \section{The Restart Feature}

Utilities/Matlab/FDS_verification_dataplot_inputs.csv

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