]> https://gitweb.dealii.org/ - dealii-svn.git/commitdiff
number of blocks in FESystem documented
authorkanschat <kanschat@0785d39b-7218-0410-832d-ea1e28bc413d>
Thu, 4 Oct 2007 00:24:04 +0000 (00:24 +0000)
committerkanschat <kanschat@0785d39b-7218-0410-832d-ea1e28bc413d>
Thu, 4 Oct 2007 00:24:04 +0000 (00:24 +0000)
git-svn-id: https://svn.dealii.org/trunk@15264 0785d39b-7218-0410-832d-ea1e28bc413d

deal.II/deal.II/include/fe/fe_system.h
deal.II/doc/doxygen/headers/glossary.h

index 4a26ee1d423c5d5b338022da8eba7c7eb38c74c5..bd42e9fb3318b3722cd852fb6c79d1530fe13374 100644 (file)
@@ -65,9 +65,14 @@ DEAL_II_NAMESPACE_OPEN
  * coupled to @p u at the vertices and the line on the larger cell next to this
  * vertex, there is no interaction with @p v and @p w of this or the other cell.
  *
+ * The number of components of such a system element is the
+ * accumulated number of components of all base elements times their
+ * multiplicity. The number of blocks of the system is simply the sum
+ * of all multiplicities.
+ *
  * @ingroup febase fe
  * 
- * @author Wolfgang Bangerth, Guido Kanschat, 1999, 2002, 2003, 2006, partial reimplementation Ralf Hartmann 2001.
+ * @author Wolfgang Bangerth, Guido Kanschat, 1999, 2002, 2003, 2006, Ralf Hartmann 2001.
  */
 template <int dim>
 class FESystem : public FiniteElement<dim>
index 37e1993e2842d9fee2dd2f438acafc353843a5a3..4268a05d02c08fdef0dcc5c85fd93dbfaa6236c3 100644 (file)
  * <dd>Mesh cells not refined any further in the hierarchy.</dd>
  *
  * <dt class="glossary">@anchor GlossBlock block</dt>
- * <dd>Originally, blocks were introduced in BlockVector,
+ * <dd>Blocks were introduced in BlockVector,
  * BlockSparseMatrix and related classes. These are used to reflect the
  * structure of a PDE system in linear algebra, in particular allowing
  * for modular solvers. In DoFHandler, this block structure is
- * prepared by DoFRenumbering::component_wise().
+ * prepared by DoFRenumbering::block_wise().
  *
  * Originally, this concept was intermixed with the idea of the vector
  * @ref GlossComponent "component". Since the introduction of non-@ref

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