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\section{Surface Driven Convection} |
\section{Surface Driven Convection} |
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\label{www:tutorials} |
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\label{sect:eg-bconv} |
\label{sect:eg-bconv} |
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\bodytext{bgcolor="#FFFFFFFF"} |
\bodytext{bgcolor="#FFFFFFFF"} |
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\end{itemize} |
\end{itemize} |
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\subsection{Overview} |
\subsection{Overview} |
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\label{www:tutorials} |
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The model domain consists of an approximately 3 |
The model domain consists of an approximately 3 |
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km square by 1 km deep box of initially |
km square by 1 km deep box of initially |
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in a binary data file generated using the Matlab script {\it input/gendata.m}. |
in a binary data file generated using the Matlab script {\it input/gendata.m}. |
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\subsection{Equations solved} |
\subsection{Equations solved} |
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\label{www:tutorials} |
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The model is configured in nonhydrostatic form, that is, all terms in the Navier |
The model is configured in nonhydrostatic form, that is, all terms in the Navier |
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Stokes equations are retained and the pressure field is found, subject to appropriate |
Stokes equations are retained and the pressure field is found, subject to appropriate |
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\\ |
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\subsection{Discrete numerical configuration} |
\subsection{Discrete numerical configuration} |
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\label{www:tutorials} |
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The domain is discretised with a uniform grid spacing in each direction. There are 64 |
The domain is discretised with a uniform grid spacing in each direction. There are 64 |
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grid cells in directions $x$ and $y$ and 20 vertical levels thus the domain |
grid cells in directions $x$ and $y$ and 20 vertical levels thus the domain |
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comprises a total of just over 80 000 gridpoints. |
comprises a total of just over 80 000 gridpoints. |
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\subsection{Numerical stability criteria and other considerations} |
\subsection{Numerical stability criteria and other considerations} |
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\label{www:tutorials} |
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For a heat flux of 800 Wm$^2$ and a rotation rate of $10^{-4}$ s$^{-1}$ the |
For a heat flux of 800 Wm$^2$ and a rotation rate of $10^{-4}$ s$^{-1}$ the |
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plume-scale can be expected to be a few hundred meters guiding our choice of grid |
plume-scale can be expected to be a few hundred meters guiding our choice of grid |
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correlated over 50 m. |
correlated over 50 m. |
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\subsection{Experiment configuration} |
\subsection{Experiment configuration} |
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\label{www:tutorials} |
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The model configuration for this experiment resides under the directory |
The model configuration for this experiment resides under the directory |
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{\it verification/convection/}. The experiment files |
{\it verification/convection/}. The experiment files |
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experiment. Below we describe these experiment-specific customisations. |
experiment. Below we describe these experiment-specific customisations. |
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\subsubsection{File {\it code/CPP\_EEOPTIONS.h}} |
\subsubsection{File {\it code/CPP\_EEOPTIONS.h}} |
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\label{www:tutorials} |
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This file uses standard default values and does not contain |
This file uses standard default values and does not contain |
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customisations for this experiment. |
customisations for this experiment. |
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\subsubsection{File {\it code/CPP\_OPTIONS.h}} |
\subsubsection{File {\it code/CPP\_OPTIONS.h}} |
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\label{www:tutorials} |
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This file uses standard default values and does not contain |
This file uses standard default values and does not contain |
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customisations for this experiment. |
customisations for this experiment. |
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\subsubsection{File {\it code/SIZE.h}} |
\subsubsection{File {\it code/SIZE.h}} |
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\label{www:tutorials} |
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Three lines are customized in this file. These prescribe the domain grid dimensions. |
Three lines are customized in this file. These prescribe the domain grid dimensions. |
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\begin{itemize} |
\begin{itemize} |
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\begin{rawhtml}</PRE>\end{rawhtml} |
\begin{rawhtml}</PRE>\end{rawhtml} |
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\subsubsection{File {\it input/data}} |
\subsubsection{File {\it input/data}} |
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\label{www:tutorials} |
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This file, reproduced completely below, specifies the main parameters |
This file, reproduced completely below, specifies the main parameters |
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for the experiment. The parameters that are significant for this configuration |
for the experiment. The parameters that are significant for this configuration |
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\subsubsection{File {\it input/data.pkg}} |
\subsubsection{File {\it input/data.pkg}} |
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\label{www:tutorials} |
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This file uses standard default values and does not contain |
This file uses standard default values and does not contain |
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customisations for this experiment. |
customisations for this experiment. |
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\subsubsection{File {\it input/eedata}} |
\subsubsection{File {\it input/eedata}} |
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\label{www:tutorials} |
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This file uses standard default values and does not contain |
This file uses standard default values and does not contain |
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customisations for this experiment. |
customisations for this experiment. |
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\subsubsection{File {\it input/Qsurf.bin}} |
\subsubsection{File {\it input/Qsurf.bin}} |
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\label{www:tutorials} |
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The file {\it input/Qsurf.bin} specifies a two-dimensional ($x,y$) |
The file {\it input/Qsurf.bin} specifies a two-dimensional ($x,y$) |
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map of heat flux values where |
map of heat flux values where |
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\end{figure} |
\end{figure} |
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\subsection{Running the example} |
\subsection{Running the example} |
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\label{www:tutorials} |
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\subsubsection{Code download} |
\subsubsection{Code download} |
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\label{www:tutorials} |
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In order to run the examples you must first download the code distribution. |
In order to run the examples you must first download the code distribution. |
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Instructions for downloading the code can be found in \ref{sect:obtainingCode}. |
Instructions for downloading the code can be found in \ref{sect:obtainingCode}. |
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\subsubsection{Experiment Location} |
\subsubsection{Experiment Location} |
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\label{www:tutorials} |
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This example experiments is located under the release sub-directory |
This example experiments is located under the release sub-directory |
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{\it verification/convection/ } |
{\it verification/convection/ } |
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\subsubsection{Running the Experiment} |
\subsubsection{Running the Experiment} |
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\label{www:tutorials} |
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To run the experiment |
To run the experiment |
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