From 9f91429b95505c29d101755f62ad04a3177396f0 Mon Sep 17 00:00:00 2001 From: Guido Kanschat Date: Thu, 11 Mar 2010 18:58:16 +0000 Subject: [PATCH] output added git-svn-id: https://svn.dealii.org/trunk@20799 0785d39b-7218-0410-832d-ea1e28bc413d --- deal.II/examples/step-38/doc/results.dox | 69 ++++++++++++++++++++++++ 1 file changed, 69 insertions(+) diff --git a/deal.II/examples/step-38/doc/results.dox b/deal.II/examples/step-38/doc/results.dox index a79c9a63f4..738f56ecd3 100644 --- a/deal.II/examples/step-38/doc/results.dox +++ b/deal.II/examples/step-38/doc/results.dox @@ -1,3 +1,72 @@

Results

+The output of this program consist of the console output, the eps +files including the grids, and the solutions given in gnuplot format. +@code +DEAL::Cycle 0 +DEAL::Number of active cells: 64 +DEAL::Number of degrees of freedom: 256 +DEAL:Richardson::Starting value 0.176777 +DEAL:Richardson::Convergence step 4 value 3.33123e-17 +DEAL::Writing grid to +DEAL::Writing solution to +DEAL::Cycle 1 +DEAL::Number of active cells: 112 +DEAL::Number of degrees of freedom: 448 +DEAL:Richardson::Starting value 0.153093 +DEAL:Richardson::Convergence step 9 value 3.74479e-17 +DEAL::Writing grid to +DEAL::Writing solution to +DEAL::Cycle 2 +DEAL::Number of active cells: 214 +DEAL::Number of degrees of freedom: 856 +DEAL:Richardson::Starting value 0.149870 +DEAL:Richardson::Convergence step 16 value 1.41017e-14 +DEAL::Writing grid to +DEAL::Writing solution to +DEAL::Cycle 3 +DEAL::Number of active cells: 415 +DEAL::Number of degrees of freedom: 1660 +DEAL:Richardson::Starting value 0.149053 +DEAL:Richardson::Convergence step 26 value 4.92424e-15 +DEAL::Writing grid to +DEAL::Writing solution to +DEAL::Cycle 4 +DEAL::Number of active cells: 796 +DEAL::Number of degrees of freedom: 3184 +DEAL:Richardson::Starting value 0.148848 +DEAL:Richardson::Convergence step 44 value 5.80787e-14 +DEAL::Writing grid to +DEAL::Writing solution to +DEAL::Cycle 5 +DEAL::Number of active cells: 1561 +DEAL::Number of degrees of freedom: 6244 +DEAL:Richardson::Starting value 0.131369 +DEAL:Richardson::Convergence step 81 value 2.39812e-13 +DEAL::Writing grid to +DEAL::Writing solution to +@endcode + +We show the solutions on the initial mesh, the mesh after two +and after five adaptive refinement steps. + +@image html step-12.sol-0.png +@image html step-12.sol-2.png +@image html step-12.sol-5.png + + +Then we show the final grid (after 5 refinement steps) and the solution again, +this time with a nicer 3d rendering (obtained using the DataOutBase::write_vtk +function and the VTK-based VisIt visualization program) that better shows the +sharpness of the jump on the refined mesh and the over- and undershoots of the +solution along the interface: + +@image html step-12.grid-5.png +@image html step-12.3d-solution.png + + +And finally we show a plot of a 3d computation. + +@image html step-12.sol-5-3d.png + -- 2.39.5