[Dune] Alugrid DGF

[kenza bouznari]

Hello,

For my simulations I use Alugrid by reading an external file (attached):
{ using type = Dune::ALUGrid<3, 3, Dune::simplex, Dune::nonconforming>; };
I want to know if it's possible to refine the mesh only around a part of my
domain. If yes, how to apply it in my grid file (attached).
Your guidance is much appreciated.

Best regards,

Ova
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DGF

Interval
0   0   0                                 % first corner
200   50   40                                 % second corner
100   25   20                                 % number of cells in each direction
#
Simplex
#
BoundaryDomain
default 1                               % all boundaries have id 1
#

GridParameter
name 3d-unit-cube                       % name of the grid
refinementedge arbitrary                % refinement edge for bisectioning
overlap 1                               % number of overlap cells
periodic                                % periodicity parameter for YaspGrid
closure none                            % no green closure on UGGrid
copies all                              % let UGGrid make copies
#

# unitcube3.dgf