From: Wolfgang Bangerth Date: Fri, 7 Nov 2014 19:43:54 +0000 (-0600) Subject: Adjust some text. X-Git-Tag: v8.2.0-rc1~77^2~5 X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=5a8da0e0bcf44922dffb659744f7d331886ee311;p=dealii.git Adjust some text. --- diff --git a/examples/step-54/doc/results.dox b/examples/step-54/doc/results.dox index 1e975d7386..e5cc33b97b 100644 --- a/examples/step-54/doc/results.dox +++ b/examples/step-54/doc/results.dox @@ -5,8 +5,13 @@ that we can visualize with any of the usual visualization programs that can read file format. The following table illustrates the results obtained employing the normal projection strategy. The first two -rows of the table show side views of the grids obtained for progressive levels of refinement. The last row -of pictures depict front views of the same grids shown in the second row. +rows of the table show side views of the grids obtained for progressive levels +of refinement, overlain on a very fine rendering of the exact geometry. The +dark and light red areas simply indicate whether the current mesh or the fine +geometry is closer to the observer; the distinction does not carry any +particularly deep meaning. The last row +of pictures depict front views (mirrored to both sides of the geometry) of the +same grids shown in the second row. @@ -27,8 +32,11 @@ of pictures depict front views of the same grids shown in the second row.
-As can be seen in the pictures --and as we anticipated--- the normal refinement strategy is unable to produce nicely shaped elements -when applied to surfaces with significant curvature changes. +As can be seen in the pictures---and as we anticipated---the normal refinement strategy is unable to produce nicely shaped elements +when applied to surfaces with significant curvature changes. This is +particularly apparent at the bulb of the hull where all new points have been +placed in the upper part of the bulb and the lower part remains completely +unresolved. The following table, which is arranged as the previous one, illustrates the results obtained adopting the directional projection approach, in which the projection direction selected was the y-axis (which @@ -57,7 +65,7 @@ The images confirm that the quality of the mesh obtained with a directional proj surface normal. Yet, a number of elements elongated in the y-direction are observed around the bottom of the bulb, where the surface is almost parallel to the direction chosen for the projection. -The final test carried out results instead in the meshes illustrated in the following table. +The final test shows results using instead the projection normal to the faces: