dolfin team mailing list archive

[Johan Hake <johan.hake@xxxxxxxxx>]

On Wednesday March 23 2011 16:45:42 Anders Logg wrote:
> 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.

Sure, but that is not supported by meshconverter for now. It looks like it 
just write a MeshFunction to file, and that's it.

Johan

> 
> --
> 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, ...