From 27e77d1b4c6d02f3984162d304d47250dd6104cc Mon Sep 17 00:00:00 2001 From: bangerth Date: Thu, 16 Dec 2010 20:57:28 +0000 Subject: [PATCH] Minor doc updates. git-svn-id: https://svn.dealii.org/trunk@22979 0785d39b-7218-0410-832d-ea1e28bc413d --- deal.II/examples/step-38/doc/results.dox | 32 +++++++++++++----------- 1 file changed, 18 insertions(+), 14 deletions(-) diff --git a/deal.II/examples/step-38/doc/results.dox b/deal.II/examples/step-38/doc/results.dox index 739a0b7b89..5e5bee9ba1 100644 --- a/deal.II/examples/step-38/doc/results.dox +++ b/deal.II/examples/step-38/doc/results.dox @@ -1,25 +1,29 @@

Results

-We ran the program using the following parameters.prm file (which -can also be found in the directory in which all the other source files are): +When you run the program, the following output should be printed on screen: + @verbatim -# Listing of Parameters -# --------------------- +Surface mesh has 1280 cells. +Surface mesh has 5185 degrees of freedom. +H1 error = 0.0221245 @endverbatim -When we run the program, the following is printed on screen: +By playing around with the number of global refinements in teh +LaplaceBeltrami::make_mesh function you increase or decrease mesh +refinement. For example, doing one more refinement yields the following +output: @verbatim -================================ - LB PROBLEM -================================ - -DEAL:cg::Starting value 0.677406 -DEAL:cg::Convergence step 580 value 9.71224e-08 -0.00552653 - +Surface mesh has 5120 cells. +Surface mesh has 20609 degrees of freedom. +H1 error = 0.00552639 @endverbatim -Here is a plot of the result: +This is what we expect: make the mesh size smaller by a factor of two and the +error goes down by a factor of four (***HM, SHOULDN'T IT BE A FACTOR OF +TWO???***) + +Finally, the program produces graphical output that we can visualize. Here is +a plot of the results: @image html step-38.solution.png -- 2.39.5