/[MITgcm]/manual/s_algorithm/text/time_stepping.tex
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revision 1.9 by cnh, Thu Oct 25 18:36:53 2001 UTC revision 1.11 by adcroft, Tue Nov 13 16:45:41 2001 UTC
# Line 80  FORWARD\_STEP \\ Line 80  FORWARD\_STEP \\
80  \>\> CALC\_GRAD\_PHI\_SURF \` $\nabla \eta^{n+1}$ \\  \>\> CALC\_GRAD\_PHI\_SURF \` $\nabla \eta^{n+1}$ \\
81  \>\> CORRECTION\_STEP \` $u^{n+1}$,$v^{n+1}$ (\ref{eq:un+1-rigid-lid},\ref{eq:vn+1-rigid-lid})  \>\> CORRECTION\_STEP \` $u^{n+1}$,$v^{n+1}$ (\ref{eq:un+1-rigid-lid},\ref{eq:vn+1-rigid-lid})
82  \end{tabbing} \end{minipage} } \end{center}  \end{tabbing} \end{minipage} } \end{center}
83  \caption{Calling tree for the pressure method algorihtm}  \caption{Calling tree for the pressure method algorihtm}
84  \label{fig:call-tree-pressure-method}  \label{fig:call-tree-pressure-method}
85  \end{figure}  \end{figure}
86    
# Line 554  is activated with the run-time flag {\bf Line 554  is activated with the run-time flag {\bf
554  {\em PARM01} of {\em data}.  {\em PARM01} of {\em data}.
555    
556  The only difficulty with this approach is apparent in equation  The only difficulty with this approach is apparent in equation
557  $\ref{eq:Gt-n-staggered}$ and illustrated by the dotted arrow  \ref{eq:Gt-n-staggered} and illustrated by the dotted arrow
558  connecting $u,v^n$ with $G_\theta^{n-1/2}$. The flow used to advect  connecting $u,v^n$ with $G_\theta^{n-1/2}$. The flow used to advect
559  tracers around is not naturally located in time. This could be avoided  tracers around is not naturally located in time. This could be avoided
560  by applying the Adams-Bashforth extrapolation to the tracer field  by applying the Adams-Bashforth extrapolation to the tracer field

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