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 Aug 6, 2008, 2:57:38 PM (15 years ago)
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anuga_core/documentation/user_manual/anuga_user_manual.tex
r5619 r5620 3285 3285 3286 3286 \begin{equation} 3287 \ delta t = \min_{k,i=[0,1,2]} r_k/v_i3287 \Delta t = \min_{k,i=[0,1,2]} \min(\frac{r_k}{v_{k,i}}, \fract{r_{n_{k,i}}}{v_{k,i}} 3288 3288 \label{eq:CFL condition} 3289 3289 \end{equation} 3290 where $r_k$ is the radius of the $k$th triangle and $v$ is the maximal velocity across the edge joining triangle $k$ 3291 and it's neighbour triangle $i$ as calculated by the numerical flux function using the central upwind scheme of \cite{KurNP2001}. 3290 where $r_k$ is the radius of the $k$'th triangle and $v_{k,i}$ is the maximal velocity across 3291 edge joining triangle $k$ and it's $i$'th neighbour, triangle $n_{k,i}$, as calculated by the 3292 numerical flux function 3293 using the central upwind scheme of \cite{KurNP2001}. The symbol $r_{n_{k,i}}$ denotes the radius 3294 of the $i$'th neighbour of triangle $k$. The radii are calculated as radii of the inscribed circles 3295 of each triangle. 3292 3296 3293 3297 \section{Flux limiting}
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