]> https://gitweb.dealii.org/ - dealii.git/commitdiff
Point out that the problem doesn't actually happen in 2d if only one side of
authorWolfgang Bangerth <bangerth@math.tamu.edu>
Wed, 15 Jul 2009 14:03:06 +0000 (14:03 +0000)
committerWolfgang Bangerth <bangerth@math.tamu.edu>
Wed, 15 Jul 2009 14:03:06 +0000 (14:03 +0000)
the quad is at the boundary, as pointed out by Tobias.

git-svn-id: https://svn.dealii.org/trunk@19086 0785d39b-7218-0410-832d-ea1e28bc413d

deal.II/doc/doxygen/headers/glossary.h

index a1e1acd5ca8ef17c1e69e99c0e77c2e6df689e7c..27c1fdd88e3416578e5550e6527d64ae96c18ad2 100644 (file)
  * with the caught exception.
  *
  * The second case in which distorted cells can appear is through mesh
- * refinement when we have curved boundaries. Consider, for example,
- * the following case where he dashed line shows the exact boundary
- * that the lower edge of the cell is supposed to approximate (let's
- * assume that the left, top and right edges are interior edges and
- * therefore will be considered as straight):
+ * refinement when we have curved boundaries. Consider, for example, the
+ * following case where the dashed line shows the exact boundary that the
+ * lower edge of the cell is supposed to approximate (let's assume for
+ * simplicity that the left, top and right edges are interior edges and
+ * therefore will be considered as straight; in fact, for this particular case
+ * in 2d where only one side of a cell is at the boundary we have special code
+ * that avoids the situation depicted, but you will get the general idea of
+ * the problem that holds in 3d or if more than one side of the cell is at the
+ * boundary):
  *
  * @image html distorted_2d_refinement_01.png "One cell with a edge approximating a curved boundary"
  *

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