From: kanschat <kanschat@0785d39b-7218-0410-832d-ea1e28bc413d>
Date: Thu, 24 Jun 2010 14:56:42 +0000 (+0000)
Subject: start intro
X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=5de693b6c8cce006f6f136b59ecd6deebf1410ca;p=dealii-svn.git

start intro

git-svn-id: https://svn.dealii.org/trunk@21327 0785d39b-7218-0410-832d-ea1e28bc413d
---

diff --git a/deal.II/examples/step-39/doc/intro.dox b/deal.II/examples/step-39/doc/intro.dox
index fd0e6f486d..3f224f0e33 100644
--- a/deal.II/examples/step-39/doc/intro.dox
+++ b/deal.II/examples/step-39/doc/intro.dox
@@ -1 +1,11 @@
 <a name="Intro"></a>
+
+In this program, we use the interior penalty method and Nitsche's weak
+boundary conditions to solve Poisson's equation. We use multigrid
+methods on locally refined meshes, which are generated using a bulk
+criterion and a standard error estimator based on cell and face
+residuals. All operators are implemented using the MeshWorker interface.
+
+Like in step-12, the discretization relies on finite element spaces,
+which are polynomial inside the mesh cells, but have no continuity
+between cells. For such functions, we define the mean value and jump operators