Sungho,

> In deal.II, I know that "DoFTools::make_sparsity_pattern" can be used
> for the parallel computation that it gives to distribute the sparsity
> pattern. It works very well even in 3D.
>
> I wonder if "DoFTools::make_flux_sparsity_pattern" also can give a
> distribution of sparisity pattern?
>
> In my test on the cluster, it takes relatively a very very long time to
> do this one for DG system on the parallel computing environment than
> doing the job for "DoFTools::make_sparsity_pattern".
>
> And,
>
> In this function, why not given the augument "const unsigned int
> subdomain_id = numbers::invalid_unsigned_int" in deal.II svn version?

The answer is as always: Nobody has had the time to implement this so far. 
If you want to do it: it shouldn't be hard to understand what needs to be 
done by looking at make_sparsity_pattern and applying the same principles 
to the make_flux_sparsity_pattern function. Feel free to try that.

Best
 W.

-------------------------------------------------------------------------
Wolfgang Bangerth                email:            [email protected]
                                 www: http://www.math.tamu.edu/~bangerth/

_______________________________________________
dealii mailing list http://poisson.dealii.org/mailman/listinfo/dealii

Reply via email to