/[MITgcm]/manual/s_examples/barotropic_gyre/baro.tex
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revision 1.8 by cnh, Thu Feb 28 19:32:19 2002 UTC revision 1.9 by adcroft, Thu May 16 15:54:37 2002 UTC
# Line 27  configure the MITgcm code and input file Line 27  configure the MITgcm code and input file
27    
28  \section{Barotropic Ocean Gyre In Cartesian Coordinates}  \section{Barotropic Ocean Gyre In Cartesian Coordinates}
29  \label{sect:eg-baro}  \label{sect:eg-baro}
30    \label{www:tutorials}
31    
32    
33  This example experiment demonstrates using the MITgcm to simulate  This example experiment demonstrates using the MITgcm to simulate
# Line 80  walls at $x=$~0,1200km and at $y=$~0,120 Line 81  walls at $x=$~0,1200km and at $y=$~0,120
81  \end{figure}  \end{figure}
82    
83  \subsection{Equations Solved}  \subsection{Equations Solved}
84    \label{www:tutorials}
85  The model is configured in hydrostatic form. The implicit free surface form of the  The model is configured in hydrostatic form. The implicit free surface form of the
86  pressure equation described in Marshall et. al \cite{marshall:97a} is  pressure equation described in Marshall et. al \cite{marshall:97a} is
87  employed.  employed.
# Line 114  flow vector $\vec{u}$. Line 116  flow vector $\vec{u}$.
116    
117    
118  \subsection{Discrete Numerical Configuration}  \subsection{Discrete Numerical Configuration}
119    \label{www:tutorials}
120    
121   The domain is discretised with   The domain is discretised with
122  a uniform grid spacing in the horizontal set to  a uniform grid spacing in the horizontal set to
# Line 122  that there are sixty grid cells in the $ Line 125  that there are sixty grid cells in the $
125  model is configured with a single layer with depth, $\Delta z$, of $5000$~m.  model is configured with a single layer with depth, $\Delta z$, of $5000$~m.
126    
127  \subsubsection{Numerical Stability Criteria}  \subsubsection{Numerical Stability Criteria}
128    \label{www:tutorials}
129    
130  The Laplacian dissipation coefficient, $A_{h}$, is set to $400 m s^{-1}$.  The Laplacian dissipation coefficient, $A_{h}$, is set to $400 m s^{-1}$.
131  This value is chosen to yield a Munk layer width \cite{adcroft:95},  This value is chosen to yield a Munk layer width \cite{adcroft:95},
# Line 175  S_{a} = \frac{| \vec{u} | \delta t}{ \De Line 179  S_{a} = \frac{| \vec{u} | \delta t}{ \De
179  of 0.5 and limits $\delta t$ to $1200s$.  of 0.5 and limits $\delta t$ to $1200s$.
180    
181  \subsection{Code Configuration}  \subsection{Code Configuration}
182    \label{www:tutorials}
183  \label{SEC:eg-baro-code_config}  \label{SEC:eg-baro-code_config}
184    
185  The model configuration for this experiment resides under the  The model configuration for this experiment resides under the
# Line 194  experiments. Below we describe the custo Line 199  experiments. Below we describe the custo
199  to these files associated with this experiment.  to these files associated with this experiment.
200    
201  \subsubsection{File {\it input/data}}  \subsubsection{File {\it input/data}}
202    \label{www:tutorials}
203    
204  This file, reproduced completely below, specifies the main parameters  This file, reproduced completely below, specifies the main parameters
205  for the experiment. The parameters that are significant for this configuration  for the experiment. The parameters that are significant for this configuration
# Line 305  notes. Line 311  notes.
311  \end{small}  \end{small}
312    
313  \subsubsection{File {\it input/data.pkg}}  \subsubsection{File {\it input/data.pkg}}
314    \label{www:tutorials}
315    
316  This file uses standard default values and does not contain  This file uses standard default values and does not contain
317  customizations for this experiment.  customizations for this experiment.
318    
319  \subsubsection{File {\it input/eedata}}  \subsubsection{File {\it input/eedata}}
320    \label{www:tutorials}
321    
322  This file uses standard default values and does not contain  This file uses standard default values and does not contain
323  customizations for this experiment.  customizations for this experiment.
324    
325  \subsubsection{File {\it input/windx.sin\_y}}  \subsubsection{File {\it input/windx.sin\_y}}
326    \label{www:tutorials}
327    
328  The {\it input/windx.sin\_y} file specifies a two-dimensional ($x,y$)  The {\it input/windx.sin\_y} file specifies a two-dimensional ($x,y$)
329  map of wind stress ,$\tau_{x}$, values. The units used are $Nm^{-2}$.  map of wind stress ,$\tau_{x}$, values. The units used are $Nm^{-2}$.
# Line 325  in MITgcm. The included matlab program { Line 334  in MITgcm. The included matlab program {
334  code for creating the {\it input/windx.sin\_y} file.  code for creating the {\it input/windx.sin\_y} file.
335    
336  \subsubsection{File {\it input/topog.box}}  \subsubsection{File {\it input/topog.box}}
337    \label{www:tutorials}
338    
339    
340  The {\it input/topog.box} file specifies a two-dimensional ($x,y$)  The {\it input/topog.box} file specifies a two-dimensional ($x,y$)
# Line 336  The included matlab program {\it input/g Line 346  The included matlab program {\it input/g
346  code for creating the {\it input/topog.box} file.  code for creating the {\it input/topog.box} file.
347    
348  \subsubsection{File {\it code/SIZE.h}}  \subsubsection{File {\it code/SIZE.h}}
349    \label{www:tutorials}
350    
351  Two lines are customized in this file for the current experiment  Two lines are customized in this file for the current experiment
352    
# Line 358  axis aligned with the y-coordinate. Line 369  axis aligned with the y-coordinate.
369  \end{small}  \end{small}
370    
371  \subsubsection{File {\it code/CPP\_OPTIONS.h}}  \subsubsection{File {\it code/CPP\_OPTIONS.h}}
372    \label{www:tutorials}
373    
374  This file uses standard default values and does not contain  This file uses standard default values and does not contain
375  customizations for this experiment.  customizations for this experiment.
376    
377    
378  \subsubsection{File {\it code/CPP\_EEOPTIONS.h}}  \subsubsection{File {\it code/CPP\_EEOPTIONS.h}}
379    \label{www:tutorials}
380    
381  This file uses standard default values and does not contain  This file uses standard default values and does not contain
382  customizations for this experiment.  customizations for this experiment.
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