From: Jonathan Robey Date: Sun, 18 Sep 2016 15:48:14 +0000 (-0700) Subject: Add notes on version for images X-Git-Tag: v8.5.0-rc1~657^2 X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=335c55b5493a79f7eb7f514999bef602ae8c72d9;p=dealii.git Add notes on version for images --- diff --git a/examples/step-31/doc/results.dox b/examples/step-31/doc/results.dox index a06943dc4c..fd201549be 100644 --- a/examples/step-31/doc/results.dox +++ b/examples/step-31/doc/results.dox @@ -118,6 +118,9 @@ the color scale used for the temperature is not always the same): +The visualizations shown here were generated using a version of the example +which did not enforce the constraints after transferring the mesh. + As can be seen, we have three heat sources that heat fluid and therefore produce a buoyancy effect that lets hots pockets of fluid rise up and swirl around. By a chimney effect, the three streams are @@ -285,13 +288,14 @@ following plots: -That the first picture looks like three hedgehogs stems from -the fact that our scheme essentially projects the source times the -first time step size onto the mesh to obtain the temperature field in -the first time step. Since the source function is discontinuous, we -need to expect over- and undershoots from this project. This is in -fact what happens (it's easier to check this in 2d) and leads to the -crumpled appearance of the isosurfaces. +That the first picture looks like three hedgehogs stems from the fact that our +scheme essentially projects the source times the first time step size onto the +mesh to obtain the temperature field in the first time step. Since the source +function is discontinuous, we need to expect over- and undershoots from this +project. This is in fact what happens (it's easier to check this in 2d) and +leads to the crumpled appearance of the isosurfaces. The visualizations shown +here were generated using a version of the example which did not enforce the +constraints after transferring the mesh.