Add list with convergence rates in 3d

git-svn-id: https://svn.dealii.org/trunk@30251 0785d39b-7218-0410-832d-ea1e28bc413d

diff --git a/deal.II/examples/step-51/doc/results.dox b/deal.II/examples/step-51/doc/results.dox
index 3ec10ba82d23615a27d3a0451b9083d87add27e8..d070c1e6183ae106ead855b8b65aa6919ca1aa37 100644 (file)
--- a/deal.II/examples/step-51/doc/results.dox
+++ b/deal.II/examples/step-51/doc/results.dox
@@ -41,4 +41,30 @@ rate for the postprocessed scalar variable in the $L_2$ norm. Likewise, the
 scalar variable and gradient for Q3 elements converge at fourth order and the
 postprocessed scalar variable at fifth order.
 
-The same convergence rates are observed in 3d.
\ No newline at end of file
+The same convergence rates are observed in 3d.
+@code
+Q1 elements:
+cells   dofs       val L2          grad L2       val L2-post   
+     8     144 3.846e+00     - 1.519e+01     - 2.388e+00     - 
+    27     432 4.677e+00 -0.48 2.158e+01 -0.87 3.441e+00 -0.90 
+    64     960 2.366e+00  2.37 1.228e+01  1.96 1.831e+00  2.19 
+   216    3024 1.225e+00  1.62 8.396e+00  0.94 1.017e+00  1.45 
+   512    6912 6.870e-01  2.01 5.314e+00  1.59 2.421e-01  4.99 
+  1728   22464 2.912e-01  2.12 2.494e+00  1.87 8.593e-02  2.56 
+  4096   52224 1.683e-01  1.91 1.455e+00  1.87 4.056e-02  2.61 
+ 13824  172800 7.970e-02  1.84 6.866e-01  1.85 1.335e-02  2.74 
+ 32768  405504 4.637e-02  1.88 3.986e-01  1.89 5.932e-03  2.82 
+110592 1354752 2.133e-02  1.92 1.831e-01  1.92 1.851e-03  2.87 
+
+cells   dofs       val L2        grad L2      val L2-post   
+     8     576 3.845e+00    - 1.742e+01    - 3.550e+00    - 
+    27    1728 8.915e-01 3.60 6.939e+00 2.27 5.865e-01 4.44 
+    64    3840 2.807e-01 4.02 2.713e+00 3.26 1.326e-01 5.17 
+   216   12096 7.866e-02 3.14 7.727e-01 3.10 2.112e-02 4.53 
+   512   27648 3.640e-02 2.68 3.307e-01 2.95 5.224e-03 4.86 
+  1728   89856 8.545e-03 3.57 7.586e-02 3.63 7.642e-04 4.74 
+  4096  208896 2.598e-03 4.14 2.314e-02 4.13 1.783e-04 5.06 
+ 13824  691200 5.314e-04 3.91 4.699e-03 3.93 2.355e-05 4.99 
+ 32768 1622016 1.723e-04 3.91 1.518e-03 3.93 5.603e-06 4.99 
+110592 5419008 3.482e-05 3.94 3.057e-04 3.95 7.375e-07 5.00 
+@endcode