From f250ddb3a98405f1c63639e2d72c364d7a181682 Mon Sep 17 00:00:00 2001 From: wolf Date: Wed, 12 Sep 2001 14:38:54 +0000 Subject: [PATCH] Addition on computations in the interior. git-svn-id: https://svn.dealii.org/trunk@4981 0785d39b-7218-0410-832d-ea1e28bc413d --- .../chapter-2.step-by-step/step-10.data/results.html | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/deal.II/doc/tutorial/chapter-2.step-by-step/step-10.data/results.html b/deal.II/doc/tutorial/chapter-2.step-by-step/step-10.data/results.html index 1693e85ea7..6ad2dc203a 100644 --- a/deal.II/doc/tutorial/chapter-2.step-by-step/step-10.data/results.html +++ b/deal.II/doc/tutorial/chapter-2.step-by-step/step-10.data/results.html @@ -74,7 +74,14 @@ with dashed lines the exact circle: Obviously the quadratic mapping approximates the boundary quite well, while for the cubic mapping the difference between approximated domain -and true one is hardly visible already for the coarse grid. +and true one is hardly visible already for the coarse grid. You can +also see that the mapping only changes something at the outer +boundaries of the triangulation. In the interior, all lines are still +represented by linear functions, resulting in additional computations +only on cells at the boundary. Higher order mappings are therefore +usually not noticably slower than lower order ones, because the +additional computations are only performed on a small subset of all +cells.

-- 2.39.5