]> https://gitweb.dealii.org/ - dealii.git/commitdiff
Update a comment in step-38. 18058/head
authorWolfgang Bangerth <bangerth@colostate.edu>
Thu, 30 Jan 2025 03:40:48 +0000 (20:40 -0700)
committerWolfgang Bangerth <bangerth@colostate.edu>
Thu, 30 Jan 2025 03:40:48 +0000 (20:40 -0700)
examples/step-38/doc/results.dox

index fa5d0eda7c63d770b02dcb1a68bc89e985d27d52..142dc2a0a19caa5b5b8bc20df50e22d27846beed 100644 (file)
@@ -137,12 +137,14 @@ void LaplaceBeltrami<spacedim>::make_grid_and_dofs()
 Note that the only essential addition is the line marked with
 asterisks. It is worth pointing out one other thing here, though: because we
 detach the manifold description from the surface mesh, whenever we use a
-mapping object in the rest of the program, it has no curves boundary
+mapping object in the rest of the program, it has no curved boundary
 description to go on any more. Rather, it will have to use the implicit,
 FlatManifold class that is used on all parts of the domain not
 explicitly assigned a different manifold object. Consequently, whether we use
 MappingQ(2), MappingQ(15) or MappingQ1, each cell of our mesh will be mapped
-using a bilinear approximation.
+using a bilinear approximation. (That is of course undesirable, and can be
+fixed by creating a manifold description of the domain you have, and attaching
+this manifold to the triangulation.)
 
 All these drawbacks aside, the resulting pictures are still pretty. The only
 other differences to what's in step-38 is that we changed the right hand side

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