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FDS User Guide: add some RAMPS to tables
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@rmcdermo
rmcdermo committed Sep 6, 2024
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24 changes: 22 additions & 2 deletions Manuals/FDS_User_Guide/FDS_User_Guide.tex
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Expand Up @@ -8998,6 +8998,8 @@ \section{Temperature and Pressure}
TEMPERATURE=60. /
\end{lstlisting}

You can also specify a {\ct RAMP\_TMP\_Z} vertical profile. The corresponding {\ct RAMP} lines should use the parameter {\ct Z} for the height $z$ (m) and {\ct F} for the value of the temperature ($^\circ$C).

\section{Heat Release Rate Per Unit Volume}
\label{info:init_hrrpuv}

Expand All @@ -9013,8 +9015,6 @@ \section{Heat Release Rate Per Unit Volume}
\end{lstlisting}
ramps the heat source up from 0 to 1000~kW/m$^3$ linearly over 60 seconds.



\section{Velocity Field}
\label{info:velo_restart}

Expand All @@ -9030,6 +9030,16 @@ \subsection{Turning off the Flow Field}

For certain types of diagnostic tests, it is useful to turn off the velocity field and exercise some other aspect of the model, like radiation or particle transport. To do this, set {\ct FREEZE\_VELOCITY=T} on the {\ct MISC} line.

\subsection{One-Dimensional Velocity Component Fields}
\label{info:ramp_velocity_1d}

For diagnostic or verification purpuses it may be useful to initialize velocity components with 1D fields. This can be used in combination with {\ct FREEZE\_VELOCITY=T}, for example, to control precisely the amount of drag a particle sees, and so on. The linear fields are specified with the {\ct RAMP} functionality and the ramp is identified using {\ct RAMP\_UX}, for example, on {\ct MISC} to specify variation of the $u$ component of velocity in the $x$ direction. Other velocity components and directions are specified similarly (see Table \ref{tbl:MISC}).
\begin{lstlisting}
&MISC FREEZE_VELOCITY=T, RAMP_UX='u1'/
&RAMP ID='u1', X= 0, F=0 /
&RAMP ID='u1', X= 2, F=4 /
&RAMP ID='u1', X= 4, F=16/
\end{lstlisting}

\section{Nonuniform Initial Fields: Velocity, Temperature, Species}
\label{info:CSVF}
Expand Down Expand Up @@ -12260,6 +12270,7 @@ \section{\texorpdfstring{{\tt INIT}}{INIT} (Initial Conditions)}
{\ct RAMP\_MF\_Z} & Character & Section~\ref{info:init_species} & & \\ \hline
{\ct RAMP\_PART} & Character & Section~\ref{info:initial_droplets} & & \\ \hline
{\ct RAMP\_Q} & Character & Section~\ref{info:init_hrrpuv} & & \\ \hline
{\ct RAMP\_TMP\_Z} & Character & Section~\ref{info:init_temperature} & & \\ \hline
{\ct RAMP\_VF\_Z} & Character & Section~\ref{info:init_species} & & \\ \hline
{\ct SHAPE} & Character & Section~\ref{info:initial_droplets} & & {\ct 'BLOCK'} \\ \hline
{\ct SPEC\_ID(N)} & Character Array & Section~\ref{info:init_species} & & \\ \hline
Expand Down Expand Up @@ -12483,6 +12494,15 @@ \section{\texorpdfstring{{\tt MISC}}{MISC} (Miscellaneous Parameters)}
{\ct RAMP\_GX} & Character & Section~\ref{info:GVEC} & & \\ \hline
{\ct RAMP\_GY} & Character & Section~\ref{info:GVEC} & & \\ \hline
{\ct RAMP\_GZ} & Character & Section~\ref{info:GVEC} & & \\ \hline
{\ct RAMP\_UX} & Character & Section~\ref{info:ramp_velocity_1d} & & \\ \hline
{\ct RAMP\_UY} & Character & Section~\ref{info:ramp_velocity_1d} & & \\ \hline
{\ct RAMP\_UZ} & Character & Section~\ref{info:ramp_velocity_1d} & & \\ \hline
{\ct RAMP\_VX} & Character & Section~\ref{info:ramp_velocity_1d} & & \\ \hline
{\ct RAMP\_VY} & Character & Section~\ref{info:ramp_velocity_1d} & & \\ \hline
{\ct RAMP\_VZ} & Character & Section~\ref{info:ramp_velocity_1d} & & \\ \hline
{\ct RAMP\_WX} & Character & Section~\ref{info:ramp_velocity_1d} & & \\ \hline
{\ct RAMP\_WY} & Character & Section~\ref{info:ramp_velocity_1d} & & \\ \hline
{\ct RAMP\_WZ} & Character & Section~\ref{info:ramp_velocity_1d} & & \\ \hline
{\ct RESTART} & Logical & Section~\ref{info:restart} & & {\ct F} \\ \hline
{\ct RESTART\_CHID} & Character & Section~\ref{info:restart} & & {\ct CHID} \\ \hline
{\ct RND\_SEED} & Integer & Section~\ref{info:restart} & & \\ \hline
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