### Task 4: Reading in a Structured Grid (.dgf and .msh)
### Task 4: Reading in a Structured Grid (*.dgf or *.msh grid files)
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DuMuX can also read in grids from external files. There are two supported file types: `.dgf` grids, and `.msh` grids.
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@@ -153,12 +153,12 @@ There are two external structured grid files located in the `grid/` folder (`gri
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### Task 5: Reading in a Unstructured Grid (.msh)
### Task 5: Reading in a Unstructured Grid (*.dgf or *.msh grid files)
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Unstructured grids are also supported for some Dumux models. An example of an Unstructured grid is located in the `grid/` folder (`grid_unstructured.msh`)
An example of an Unstructured grid is located in the `grid/` folder (`grid_unstructured.msh`)
This grid is made up of triangles, or simplexes. This element type can be set in the grid properties section.
This grid is made up of triangles (simplices of dimension 2). This element type can be set in the grid properties section.
* > __Task 5__: Change the grid property element type to include `Dune::simplex` instead of `Dune::cube`. Read in the unstructured grid via the input file and run the simulation.
