[Dune] Store Data in grid cells

[Schock, Justus]

Dear Duners,


I want to use DUNE for solving PDEs (just like the Poisson-Equation or the Diffusion-Equation).


This is why I want to store some data (like concentration etc.) directly in the cells of the grid.


I even tried using Mappers (as explained in chapter 6 of the How-To) and tried to write something very similar to the elementdata.hh.

?Unfortunately it did not work as expected and I dont't know if it has been the wrong idea in general or only a wrong implementation.


Furthermore I texperimented a bit with the DGF, trying to pass the cell data directly in the file, the grid is constructed from.


Could anyone just give me a hint or some explanation/link/example how this should be done?


Best,
Justus
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