Abstract
In this paper we describe several finite element methods for solving
the diffusion-convection-reaction equation. None of them is new,
although the presentation is non-standard in an effort to emphasize
the similarities and differences between them. In particular, it
is shown that the classical SUPG method is very similar to an explicit
version of the Characteristic-Galerkin method, whereas the Taylor-Galerkin
method has a stabilization effect similar to a sub-grid scale model,
which is in turn related to the introduction of bubble functions.
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