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4.3.4 Overlapping nodes

Figure 4.9: Overlapping nodes.
\begin{figure}\unitlength0.075\textwidth \savebox{\subdomain} { \thinlines \... ...} \put(5.5,10){\line(-1,1){0.5}} % \par\end{picture} \end{center} \end{figure}


The overlapping node distribution is quite useful if convection terms have to handled by FEM or FDM discretizations. The basic routines can be implemented in the same way as described in Sec. 4.3.3 .
Gundolf Haase 2000-03-20