]> https://gitweb.dealii.org/ - dealii.git/commitdiff
Augment documentation.
authorWolfgang Bangerth <bangerth@math.tamu.edu>
Fri, 2 Jul 2010 12:16:09 +0000 (12:16 +0000)
committerWolfgang Bangerth <bangerth@math.tamu.edu>
Fri, 2 Jul 2010 12:16:09 +0000 (12:16 +0000)
git-svn-id: https://svn.dealii.org/trunk@21442 0785d39b-7218-0410-832d-ea1e28bc413d

deal.II/deal.II/include/fe/fe_tools.h

index 9d4c141ac95be0559c69c4b063f3431ace84c7a6..cb20e06da56b1e7e78e25c65d402bc21a8a52c53 100644 (file)
@@ -2,7 +2,7 @@
 //    $Id$
 //    Version: $Name$
 //
-//    Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 by the deal.II authors
+//    Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010 by the deal.II authors
 //
 //    This file is subject to QPL and may not be  distributed
 //    without copyright and license information. Please refer
@@ -626,6 +626,19 @@ class FETools
                                      * has its quadrature points in
                                      * the support points of the
                                      * finite element.
+                                     *
+                                     * Finally, this function only defines a
+                                     * cell wise projection, while one
+                                     * frequently wants to apply it to all
+                                     * cells in a triangulation. However, if
+                                     * it is applied to one cell after the
+                                     * other, the results from later cells
+                                     * may overwrite nodal values computed
+                                     * already from previous cells if degrees
+                                     * of freedom live on the interfaces
+                                     * between cells. The function is
+                                     * therefore most useful for
+                                     * discontinuous elements.
                                       */
     template <int dim, int spacedim>
     static

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