--- manual/s_algorithm/text/tracer.tex 2004/10/14 19:53:04 1.17 +++ manual/s_algorithm/text/tracer.tex 2004/10/17 04:14:21 1.19 @@ -1,8 +1,11 @@ -% $Header: /home/ubuntu/mnt/e9_copy/manual/s_algorithm/text/tracer.tex,v 1.17 2004/10/14 19:53:04 jmc Exp $ +% $Header: /home/ubuntu/mnt/e9_copy/manual/s_algorithm/text/tracer.tex,v 1.19 2004/10/17 04:14:21 jmc Exp $ % $Name: $ \section{Tracer equations} \label{sect:tracer_equations} +\begin{rawhtml} + +\end{rawhtml} The basic discretization used for the tracer equations is the second order piece-wise constant finite volume form of the forced @@ -16,6 +19,9 @@ \subsection{Time-stepping of tracers: ABII} \label{sect:tracer_equations_abII} +\begin{rawhtml} + +\end{rawhtml} The default advection scheme is the centered second order method which requires a second order or quasi-second order time-stepping scheme to @@ -660,6 +666,9 @@ \section{Comparison of advection schemes} +\begin{rawhtml} + +\end{rawhtml} \begin{table}[htb] \centering @@ -670,13 +679,13 @@ \hline \hline centered $2^{nd}$order & 2 & Yes & No & 3 pts & linear \\ \hline - $3^{rd}$order upwind & 3 & Yes & No & 5 pts & linear/tracer\\ + $3^{rd}$order upwind & 3 & Yes & No & 5 pts & linear/$\tau$\\ \hline centered $4^{th}$order & 4 & Yes & No & 5 pts & linear \\ \hline \hline % Lax-Wendroff & 10 & No & Yes & 3 pts & linear/tracer, non-linear/flow\\ % \hline - $3^{rd}$order DST & 30 & No & Yes & 5 pts & linear/tracer, non-linear/flow\\ + $3^{rd}$order DST & 30 & No & Yes & 5 pts & linear/$\tau$, non-linear/v\\ \hline \hline $2^{nd}$order Flux Limiters & 77 & No & Yes & 5 pts & non-linear \\ \hline @@ -686,7 +695,7 @@ \caption{Summary of the different advection schemes available in MITgcm. ``A.B.'' stands for Adams-Bashforth and ``DST'' for direct space time. The code corresponds to the number used to select the corresponding - advection scheme in the parameter file (e.g., {\em tempAdvScheme=3} in + advection scheme in the parameter file (e.g., {\bf tempAdvScheme}=3 in file {\em data} selects the $3^{rd}$ order upwind advection scheme for temperature). }