--- Begin Message ---
------------------------------------------------------------
revno: 153
committer: Garth N. Wells <gnw20@xxxxxxxxx>
branch nick: fenics-doc
timestamp: Wed 2010-09-01 14:55:49 +0100
message:
Add some missing files for biharmonic eqn.
added:
source/demos/pde/biharmonic/cpp/documentation.rst
source/demos/pde/biharmonic/python/documentation.rst
modified:
source/conf.py
source/demos/pde/biharmonic/common.txt
--
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=== modified file 'source/conf.py'
--- source/conf.py 2010-08-31 15:47:07 +0000
+++ source/conf.py 2010-09-01 13:55:49 +0000
@@ -217,9 +217,9 @@
'pointsize': '11pt',
'papersize': 'a4paper',
'fontenc': '',
- 'preamble': '\usepackage{amssymb}'}
+ 'preamble': '\usepackage{amssymb} \usepackage{stmaryrd}'}
# Parameters affecting the LaTeX PNGs in the HTML files
-#pngmath_latex_preamble = '\\usepackage{cmbright}'
+pngmath_latex_preamble = r" \usepackage{stmaryrd} "
#pngmath_dvipng_args = ['-gamma 1.5', '-D 110']
#pngmath_use_preview = True
=== modified file 'source/demos/pde/biharmonic/common.txt'
--- source/demos/pde/biharmonic/common.txt 2010-09-01 09:20:57 +0000
+++ source/demos/pde/biharmonic/common.txt 2010-09-01 13:55:49 +0000
@@ -36,9 +36,11 @@
.. math::
\sum_{K} \int_{K} \nabla^{2} v \nabla^{2} u \, dx \
- - \int_{\Tilde{\Gamma}} \left<\nabla^{2} v \right> \left[\nabla u \cdot n \right] \, ds
- - \int_{\Tilde{\Gamma}} \left[\nabla v \cdot n \right] \left<\nabla^{2} u \right> \, ds
- + \int_{\Tilde{\Gamma}} \frac{\alpha}{h} \left[ \nabla v \right] \left[ \nabla u \right] \, ds
+ - \int_{\Tilde{\Gamma}} \left<\nabla^{2} v \right> \llbracket\nabla u \cdot n \rrbracket \, ds
+ - \int_{\Tilde{\Gamma}} \llbracket\nabla v \cdot n \rrbracket \left<\nabla^{2} u \right> \, ds
+ + \int_{\Tilde{\Gamma}} \frac{\alpha}{h} \llbracket \nabla v \rrbracket \llbracket \nabla u \rrbracket \, ds
= \int_{\Omega} vf \, dx \quad \forall \ v \in V
where . . . . . and :math:`\alpha \ge 0` is a penalty term.
+
+
=== added file 'source/demos/pde/biharmonic/cpp/documentation.rst'
--- source/demos/pde/biharmonic/cpp/documentation.rst 1970-01-01 00:00:00 +0000
+++ source/demos/pde/biharmonic/cpp/documentation.rst 2010-09-01 13:55:49 +0000
@@ -0,0 +1,19 @@
+.. Documentation for the biharmonic demo from DOLFIN.
+
+.. _demos_cpp_pde_biharmonic:
+
+
+Biharmonic equation
+===================
+
+.. include:: ../common.txt
+
+
+Implementation
+--------------
+
+The implementation is split in two files, a form file containing the definition
+of the variational forms expressed in UFL and the solver which is implemented
+in a C++ file.
+
+
=== added file 'source/demos/pde/biharmonic/python/documentation.rst'
--- source/demos/pde/biharmonic/python/documentation.rst 1970-01-01 00:00:00 +0000
+++ source/demos/pde/biharmonic/python/documentation.rst 2010-09-01 13:55:49 +0000
@@ -0,0 +1,21 @@
+.. Documentation for the biharmonic demo from DOLFIN.
+
+.. _demos_python_pde_biharmonic:
+
+Biharmonic equation
+===================
+
+This demo is implemented in a single Python file, :download:`demo.py`,
+which contains both the variational forms and the solver.
+
+.. include:: ../common.txt
+
+Implementation
+--------------
+
+
+Complete code
+-------------
+
+.. literalinclude:: demo.py
+ :start-after: # Begin demo
--- End Message ---
