/[MITgcm]/manual/s_examples/deep_convection/convection.tex
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revision 1.2 by cnh, Thu Feb 28 19:32:19 2002 UTC revision 1.3 by adcroft, Thu May 16 15:54:37 2002 UTC
# Line 1  Line 1 
1  \section{Surface Driven Convection}  \section{Surface Driven Convection}
2    \label{www:tutorials}
3  \label{sect:eg-bconv}  \label{sect:eg-bconv}
4    
5  \bodytext{bgcolor="#FFFFFFFF"}  \bodytext{bgcolor="#FFFFFFFF"}
# Line 39  period of oceanic deep convection. It is Line 40  period of oceanic deep convection. It is
40  \end{itemize}  \end{itemize}
41    
42  \subsection{Overview}  \subsection{Overview}
43    \label{www:tutorials}
44    
45  The model domain consists of an approximately 3  The model domain consists of an approximately 3
46  km square by 1 km deep box of initially  km square by 1 km deep box of initially
# Line 108  prescribed in {\it code/SIZE.h}. The for Line 110  prescribed in {\it code/SIZE.h}. The for
110  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}.
111    
112  \subsection{Equations solved}  \subsection{Equations solved}
113    \label{www:tutorials}
114    
115  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
116  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
# Line 177  equations and continuity (see section \r Line 180  equations and continuity (see section \r
180  \\  \\
181    
182  \subsection{Discrete numerical configuration}  \subsection{Discrete numerical configuration}
183    \label{www:tutorials}
184    
185  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
186  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
187  comprises a total of just over 80 000 gridpoints.  comprises a total of just over 80 000 gridpoints.
188    
189  \subsection{Numerical stability criteria and other considerations}  \subsection{Numerical stability criteria and other considerations}
190    \label{www:tutorials}
191    
192  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
193  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
# Line 208  diffusion coefficient $\kappa_h (= Line 213  diffusion coefficient $\kappa_h (=
213  correlated over 50 m.    correlated over 50 m.  
214    
215  \subsection{Experiment configuration}  \subsection{Experiment configuration}
216    \label{www:tutorials}
217    
218  The model configuration for this experiment resides under the directory  The model configuration for this experiment resides under the directory
219  {\it verification/convection/}. The experiment files  {\it verification/convection/}. The experiment files
# Line 224  contain the code customisations and para Line 230  contain the code customisations and para
230  experiment. Below we describe these experiment-specific customisations.  experiment. Below we describe these experiment-specific customisations.
231    
232  \subsubsection{File {\it code/CPP\_EEOPTIONS.h}}  \subsubsection{File {\it code/CPP\_EEOPTIONS.h}}
233    \label{www:tutorials}
234    
235  This file uses standard default values and does not contain  This file uses standard default values and does not contain
236  customisations for this experiment.  customisations for this experiment.
237    
238  \subsubsection{File {\it code/CPP\_OPTIONS.h}}  \subsubsection{File {\it code/CPP\_OPTIONS.h}}
239    \label{www:tutorials}
240    
241  This file uses standard default values and does not contain  This file uses standard default values and does not contain
242  customisations for this experiment.  customisations for this experiment.
243    
244  \subsubsection{File {\it code/SIZE.h}}  \subsubsection{File {\it code/SIZE.h}}
245    \label{www:tutorials}
246    
247  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.
248  \begin{itemize}  \begin{itemize}
# Line 261  the vertical domain extent in grid point Line 270  the vertical domain extent in grid point
270  \begin{rawhtml}</PRE>\end{rawhtml}  \begin{rawhtml}</PRE>\end{rawhtml}
271    
272  \subsubsection{File {\it input/data}}  \subsubsection{File {\it input/data}}
273    \label{www:tutorials}
274    
275  This file, reproduced completely below, specifies the main parameters  This file, reproduced completely below, specifies the main parameters
276  for the experiment. The parameters that are significant for this configuration  for the experiment. The parameters that are significant for this configuration
# Line 778  S/R EXTERNAL\_FORCING\_SURF ({\it extern Line 788  S/R EXTERNAL\_FORCING\_SURF ({\it extern
788    
789    
790  \subsubsection{File {\it input/data.pkg}}  \subsubsection{File {\it input/data.pkg}}
791    \label{www:tutorials}
792    
793  This file uses standard default values and does not contain  This file uses standard default values and does not contain
794  customisations for this experiment.  customisations for this experiment.
795    
796  \subsubsection{File {\it input/eedata}}  \subsubsection{File {\it input/eedata}}
797    \label{www:tutorials}
798    
799  This file uses standard default values and does not contain  This file uses standard default values and does not contain
800  customisations for this experiment.  customisations for this experiment.
801    
802    
803  \subsubsection{File {\it input/Qsurf.bin}}  \subsubsection{File {\it input/Qsurf.bin}}
804    \label{www:tutorials}
805    
806  The file {\it input/Qsurf.bin} specifies a two-dimensional ($x,y$)  The file {\it input/Qsurf.bin} specifies a two-dimensional ($x,y$)
807  map of heat flux values where  map of heat flux values where
# Line 811  directed upwards, according to the model Line 824  directed upwards, according to the model
824  \end{figure}  \end{figure}
825    
826  \subsection{Running the example}  \subsection{Running the example}
827    \label{www:tutorials}
828    
829  \subsubsection{Code download}  \subsubsection{Code download}
830    \label{www:tutorials}
831    
832  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.
833  Instructions for downloading the code can be found in \ref{sect:obtainingCode}.  Instructions for downloading the code can be found in \ref{sect:obtainingCode}.
834    
835  \subsubsection{Experiment Location}  \subsubsection{Experiment Location}
836    \label{www:tutorials}
837    
838   This example experiments is located under the release sub-directory   This example experiments is located under the release sub-directory
839    
# Line 825  Instructions for downloading the code ca Line 841  Instructions for downloading the code ca
841  {\it verification/convection/ }  {\it verification/convection/ }
842    
843  \subsubsection{Running the Experiment}  \subsubsection{Running the Experiment}
844    \label{www:tutorials}
845    
846   To run the experiment   To run the experiment
847    
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