[Dune] Dune Digest, Vol 84, Issue 22
Marco Cisternino
marco.cisternino at optimad.it
Tue Jun 12 10:19:42 CEST 2012
Hi,
thanks for all the advices.
Andreas, in order to redefine my problem: I want to manage curvilinear
grid, then during refinement I would like to move new nodes on the
curvilinear parametrization to get a smoother grid. To make this
possible I should be able to move new vertices on the parametrization,
but this would mean getting 5-vertices element as the first neighbours
to the locally refined region.
o-----------o
| |
| |
| |
o----m----o
| | |
n----n-----n
| | |
o----n---.-o
This would be the standard refinement, but I want to move the m-vertex
on a parametrization of o----m----o, like this
o-----------o
| |
| m |
| / | \ |
o | o
| | |
n----n-----n
| | |
o----n---.-o
But now the element o-m-o-o-o has 5 vertices.
I don't want to avoid hanging nodes as you can see. But I think I can't
manage 5-vertices elements with ALUGrid, isn't it? And with UG??
I cannot understand why this kind of element is hard to be managed. When
an hanging node is present, let me say in the first configuration I
plotted, I have 5 intersections anyway!
Does only UG allow me to move vertices?
What happen if 4 elements are coarsened? Do I get a 5-vertex element???
o
/ | \
o | o
| | |
o----o-----o
| | |
o----o---.-o
Thanks a lot again!!
Cheers,
Marco
Il 11/06/2012 21:20, dune-request at dune-project.org ha scritto:
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> 1. [#1000] Evaluate build system migration from autotools to
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> 2. [#1000] Evaluate build system migration from autotools to
> CMake (Dune)
> 3. [#1000] Evaluate build system migration from autotools to
> CMake (Dune)
> 4. [#1000] Evaluate build system migration from autotools to
> CMake (Dune)
> 5. Re: bad grids?? (Dedner, Andreas)
> 6. Re: GMSH reader fails in reading the same file for
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