From 5bb049e27feabea9723a2bb8b13ff18bae7d5afc Mon Sep 17 00:00:00 2001 From: Wolfgang Bangerth Date: Thu, 8 Oct 2009 13:31:02 +0000 Subject: [PATCH] Add one more figure after mesh refinement. git-svn-id: https://svn.dealii.org/trunk@19764 0785d39b-7218-0410-832d-ea1e28bc413d --- deal.II/examples/step-35/doc/results.dox | 15 +++++++++++++-- 1 file changed, 13 insertions(+), 2 deletions(-) diff --git a/deal.II/examples/step-35/doc/results.dox b/deal.II/examples/step-35/doc/results.dox index 5fcd80a3aa..648fb93a41 100644 --- a/deal.II/examples/step-35/doc/results.dox +++ b/deal.II/examples/step-35/doc/results.dox @@ -123,8 +123,19 @@ the immediate wake of the obstacle, where the mesh is relatively fine, but that the problem appears where the mesh becomes too coarse. That shouldn't surprise us: if we increase the Reynolds number, the scales on which we expect flow variation decreases and we will have to have a -finer mesh. A rerun with one more mesh refinement dialed in in the -parameter file confirms that results look much more sensible now. +finer mesh. + +A rerun with one more mesh refinement dialed in in the parameter file +confirms that results look much more sensible now: + +@image html step-35.Re_500.zoom_2.png + +Here, the zone where the mesh becomes coarser is immediately +downstream of the big red blob at the bottom of the wake behind the +obstacle. While there are still quite visible oscillations beyond that +point, it is clear that mesh refinement has already significantly +helped, and we can expect that further refining the mesh will suppress +the remaining oscillations as well. -- 2.39.5