[dune-pdelab] Parallel grid for instationary convection diffusion problem

Shubhangi Gupta sgupta at geomar.de
Sun Oct 23 15:41:54 CEST 2016


Hi all,

I just ran the nonoverlappingsinglephaseflow example with newton solver 
instead of the 'StationaryLinearProblemSolver' .

I get a segmentation fault in this case!

additional info: I am using ISTLBackend_NOVLP_BCGS_SSORk linear solver.


Best regards, Shubhangi


On 23.10.2016 15:25, Shubhangi Gupta wrote:
> Hi all,
>
> I am implementing a DG scheme for instationary convection-diffusion 
> (two phase flow) problem in DUNE PDELab.
> I am using UGGRID with gmsh to generate the grid.
> I use this fem space (just fyi):
>         typedef 
> Dune::PDELab::OPBLocalFiniteElementMap<Coord,Real,degree_P,dim,Dune::GeometryType::simplex> 
> FEM_P;
>         FEM_P fem_P;
> I am trying to make it run on parallel processors, and for that I am 
> following the convection-diffusion nonoverlappingsinglephaseflow example.
>
> I get the following error:
>
> dune/pdelab/backend/istl/novlpistlsolverbackend.hh:751:9: error: 
> ‘const class 
> Dune::PDELab::OneStepGridOperator<.......................really_long_list....................>’ 
> has no member named ‘make_consistent’
>
>
> Can anyone help me with this problem? I didn't find any examples for 
> instationary problems with parallel grids.
>
> Thanks in advance,
> Best regards,
> Shubhangi
>
>
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