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Hi,<br>
thanks for all the advices.<br>
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.<br>
o-----------o<br>
| |<br>
| |<br>
| |<br>
o----m----o<br>
| | |<br>
n----n-----n<br>
| | |<br>
o----n---.-o<br>
This would be the standard refinement, but I want to move the
m-vertex on a parametrization of o----m----o, like this<br>
o-----------o<br>
| |<br>
| m |<br>
| / | \ |<br>
o | o<br>
| | |<br>
n----n-----n<br>
| | |<br>
o----n---.-o<br>
But now the element o-m-o-o-o has 5 vertices.<br>
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??<br>
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!<br>
Does only UG allow me to move vertices?<br>
What happen if 4 elements are coarsened? Do I get a 5-vertex
element???<br>
o <br>
/ | \ <br>
o | o<br>
| | |<br>
o----o-----o<br>
| | |<br>
o----o---.-o<br>
<br>
Thanks a lot again!!<br>
Cheers,<br>
Marco<br>
<br>
<br>
<br>
<br>
Il 11/06/2012 21:20, <a class="moz-txt-link-abbreviated" href="mailto:dune-request@dune-project.org">dune-request@dune-project.org</a> ha scritto:
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