From: Martin Kronbichler Date: Fri, 2 Oct 2009 15:12:43 +0000 (+0000) Subject: Remove remnant from copy from step-12. X-Git-Tag: v8.0.0~6998 X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=85044e29332ffff6bfe1e2f3f6e8a07175de50ce;p=dealii.git Remove remnant from copy from step-12. git-svn-id: https://svn.dealii.org/trunk@19667 0785d39b-7218-0410-832d-ea1e28bc413d --- diff --git a/deal.II/examples/step-38/doc/results.dox b/deal.II/examples/step-38/doc/results.dox index ecf8b2c67f..a79c9a63f4 100644 --- a/deal.II/examples/step-38/doc/results.dox +++ b/deal.II/examples/step-38/doc/results.dox @@ -1,91 +1,3 @@

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 -Cycle 0: - Number of active cells: 64 - Number of degrees of freedom: 256 -Time of assemble_system1: 0.05 -Time of assemble_system2: 0.04 -solution1 and solution2 coincide. -Writing grid to ... -Writing solution to ... - -Cycle 1: - Number of active cells: 112 - Number of degrees of freedom: 448 -Time of assemble_system1: 0.09 -Time of assemble_system2: 0.07 -solution1 and solution2 coincide. -Writing grid to ... -Writing solution to ... - -Cycle 2: - Number of active cells: 214 - Number of degrees of freedom: 856 -Time of assemble_system1: 0.17 -Time of assemble_system2: 0.14 -solution1 and solution2 coincide. -Writing grid to ... -Writing solution to ... - -Cycle 3: - Number of active cells: 415 - Number of degrees of freedom: 1660 -Time of assemble_system1: 0.32 -Time of assemble_system2: 0.28 -solution1 and solution2 coincide. -Writing grid to ... -Writing solution to ... - -Cycle 4: - Number of active cells: 796 - Number of degrees of freedom: 3184 -Time of assemble_system1: 0.62 -Time of assemble_system2: 0.52 -solution1 and solution2 coincide. -Writing grid to ... -Writing solution to ... - -Cycle 5: - Number of active cells: 1561 - Number of degrees of freedom: 6244 -Time of assemble_system1: 1.23 -Time of assemble_system2: 1.03 -solution1 and solution2 coincide. -Writing grid to ... -Writing solution to ... -@endcode - -We see that, as expected, on each refinement step the two solutions -coincide. The difference measured in time of treating each face only -once (second version of the DG method) in comparison with treating -each face twice within a nested loop over all cells and all faces of -each cell (first version), is much less than one might have -expected. The gain is less than 20% on the last few refinement steps. - - - First 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 -