From: Timo Heister Date: Wed, 20 Jan 2016 15:37:03 +0000 (-0500) Subject: follow-up on hyper_shell documentation fixes X-Git-Tag: v8.4.0-rc2~73^2 X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=refs%2Fpull%2F2086%2Fhead;p=dealii.git follow-up on hyper_shell documentation fixes --- diff --git a/include/deal.II/grid/grid_generator.h b/include/deal.II/grid/grid_generator.h index 20a18beda5..f61b3bc56f 100644 --- a/include/deal.II/grid/grid_generator.h +++ b/include/deal.II/grid/grid_generator.h @@ -548,9 +548,11 @@ namespace GridGenerator * both the faces and the edges of these boundaries. If the flag is @p * false, both have indicator zero. * - * Attach a SphericalManifold for correct placement of vertices upon refinement - * and higher order mappings. Alternatively, attach a HyperShellBoundary to the - * inner and outer boundary. + * You should attach a SphericalManifold to the cells and faces for correct + * placement of vertices upon refinement and to be able to use higher order + * mappings. Alternatively, it is also possible to attach a HyperShellBoundary + * to the inner and outer boundary. This will create inferior meshes as + * described below. * * In 2d, the number n_cells of elements for this initial * triangulation can be chosen arbitrarily. If the number of initial cells @@ -564,8 +566,10 @@ namespace GridGenerator * * While the SphericalManifold, that is demonstrated in the documentation of the * @ref manifold "documentation module on manifolds", creates reasonable meshes - * for any number of @p n_cells, the situation is less than ideal when only attaching - * a HyperShellBoundary. Then, the 3d meshes give rise to the following meshes + * for any number of @p n_cells if attached to all cells and boundaries, the + * situation is less than ideal when only attaching a HyperShellBoundary. Then, + * only vertices on the boundaries are placed at the correct distance from the + * center. As an example, the 3d meshes give rise to the following meshes * upon one refinement: * * @image html hypershell3d-6.png