dolfin team mailing list archive

[Anders Logg <logg@xxxxxxxxx>]

On Wed, Mar 23, 2011 at 04:36:31PM -0700, Johan Hake wrote:
> The abaqus plugin does not write anything to the mesh data structure. It
> generates a an additional file.
>
> I think this is what mesh converter should do. It creates the file
> materials.xml, but that guy is just a MeshFunction over cells.

It would be better to store it as part of the mesh file, at least in
the case when the data has some meaning to DOLFIN.

--
Anders


> I have not tested this but this is my impression by just scanning the code.
>
> Johan
>
> On Wednesday March 23 2011 16:26:10 Anders Logg wrote:
> > Note that "material" is not recognized by DOLFIN. It will be stored
> > but there is nothing in DOLFIN that will kick in an do anything with
> > this data (although it can be used from a user program).
> >
> > A list of which data is recognized by DOLFIN (like "cell_domains") is
> > listed in MeshData.h:
> >
> > /// The class MeshData is a container for auxiliary mesh data,
> >   /// represented either as MeshFunctions over topological mesh
> >   /// entities, arrays or maps. Each dataset is identified by a unique
> >   /// user-specified string. Only uint-valued data are currently
> >   /// supported.
> >   ///
> >   /// The following named mesh data are recognized by DOLFIN:
> >   ///
> >   /// Boundary indicators
> >   ///
> >   ///   "boundary_facet_cells"   - Array<uint> of size num_facets
> >   ///   "boundary_facet_numbers" - Array<uint> of size num_facets
> >   ///   "boundary_indicators"    - Array<uint> of size num_facets
> >   ///   "material_indicators"    - MeshFunction<uint> of dimension D
> >   ///
> >   /// Subdomain indicators
> >   ///
> >   ///   "cell_domains"           - MeshFunction<uint> of dimension D
> >   ///   "interior_facet_domains" - MeshFunction<uint> of dimension D - 1
> >   ///   "exterior_facet_domains" - MeshFunction<uint> of dimension D - 1
> >   ///
> >   /// Facet orientation (used for assembly over interior facets)
> >   ///
> >   ///   "facet orientation" - MeshFunction<uint> of dimension D - 1
> >   ///
> >   /// Boundary extraction
> >   ///
> >   ///   "vertex map" - MeshFunction<uint> of dimension 0
> >   ///   "cell map"   - MeshFunction<uint> of dimension D
> >   ///
> >   /// Mesh partitioning
> >   ///
> >   ///   "global entity indices %d" - MeshFunction<uint> of dimension 0, 1,
> > ..., D ///   "exterior facets"          - MeshFunction<uint> of dimension
> > D - 1 ///   "num global entities"      - Array<uint> of size D + 1
> >   ///   "overlap"                  - vector mapping
> >   ///
> >   /// Sub meshes
> >   ///
> >   ///   "global vertex indices" - MeshFunction<uint> of dimension 0
> >   ///
> >   /// Mesh coloring
> >   ///
> >   ///   "colors-%D-%d-%1"   - MeshFunction<uint> of dimension D with
> > colors based on connectivity %d ///   "num colored cells" - Array<uint>
> > listing the number of cells of each color ///   "colored cells %d"  -
> > Array<uint> of cell indices with colors 0, 1, 2, ...
> >
> >