]> https://gitweb.dealii.org/ - dealii-svn.git/commitdiff
Add one more figure after mesh refinement.
authorbangerth <bangerth@0785d39b-7218-0410-832d-ea1e28bc413d>
Thu, 8 Oct 2009 13:31:02 +0000 (13:31 +0000)
committerbangerth <bangerth@0785d39b-7218-0410-832d-ea1e28bc413d>
Thu, 8 Oct 2009 13:31:02 +0000 (13:31 +0000)
git-svn-id: https://svn.dealii.org/trunk@19764 0785d39b-7218-0410-832d-ea1e28bc413d

deal.II/examples/step-35/doc/results.dox
deal.II/examples/step-35/doc/step-35.Re_500.zoom_2.png [new file with mode: 0644]

index 5fcd80a3aa37d90eaf681d29d550a660d7299d62..648fb93a41f0f7ebf87ffee4a893683e2c5205f2 100644 (file)
@@ -123,8 +123,19 @@ the immediate wake of the obstacle, where the mesh is relatively fine,
 but that the problem appears where the mesh becomes too coarse. That
 shouldn't surprise us: if we increase the Reynolds number, the scales
 on which we expect flow variation decreases and we will have to have a
-finer mesh. A rerun with one more mesh refinement dialed in in the
-parameter file confirms that results look much more sensible now.
+finer mesh.
+
+A rerun with one more mesh refinement dialed in in the parameter file
+confirms that results look much more sensible now:
+
+@image html step-35.Re_500.zoom_2.png
+
+Here, the zone where the mesh becomes coarser is immediately
+downstream of the big red blob at the bottom of the wake behind the
+obstacle. While there are still quite visible oscillations beyond that
+point, it is clear that mesh refinement has already significantly
+helped, and we can expect that further refining the mesh will suppress
+the remaining oscillations as well.
 
 
 <a name="extensions"></a>
diff --git a/deal.II/examples/step-35/doc/step-35.Re_500.zoom_2.png b/deal.II/examples/step-35/doc/step-35.Re_500.zoom_2.png
new file mode 100644 (file)
index 0000000..2c14ccd
Binary files /dev/null and b/deal.II/examples/step-35/doc/step-35.Re_500.zoom_2.png differ

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