/[MITgcm]/MITgcm/pkg/generic_advdiff/gad_advection.F
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revision 1.4 by adcroft, Wed Sep 19 20:45:09 2001 UTC revision 1.5 by adcroft, Fri Sep 21 13:11:43 2001 UTC
# Line 48  C Line 48  C
48  C The algorithm is as follows:  C The algorithm is as follows:
49  C \begin{itemize}  C \begin{itemize}
50  C \item{$\theta^{(n+1/3)} = \theta^{(n)}  C \item{$\theta^{(n+1/3)} = \theta^{(n)}
51  C      - \Delta t \partial_x (u\theta) + \theta \partial_x u$}  C      - \Delta t \partial_x (u\theta^{(n)}) + \theta^{(n)} \partial_x u$}
52  C \item{$\theta^{(n+2/3)} = \theta^{(n+1/3)}  C \item{$\theta^{(n+2/3)} = \theta^{(n+1/3)}
53  C      - \Delta t \partial_y (v\theta) + \theta \partial_y v$}  C      - \Delta t \partial_y (v\theta^{(n+1/3)}) + \theta^{(n)} \partial_y v$}
54  C \item{$\theta^{(n+3/3)} = \theta^{(n+2/3)}  C \item{$\theta^{(n+3/3)} = \theta^{(n+2/3)}
55  C      - \Delta t \partial_r (w\theta) + \theta \partial_r w$}  C      - \Delta t \partial_r (w\theta^{(n+2/3)}) + \theta^{(n)} \partial_r w$}
56  C \item{$G_\theta = ( \theta^{(n+3/3)} - \theta^{(n)} )/\Delta t$}  C \item{$G_\theta = ( \theta^{(n+3/3)} - \theta^{(n)} )/\Delta t$}
57  C \end{itemize}  C \end{itemize}
58  C  C
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