[Dune] Parallel unstructured mesh managing: local topology modifications

[Oliver Sander]

Hi,

> There is no interface method at the moment that allows you to move a
> vertex of
> a grid. UGGrid has a non-interface method for doing this (afaik).

Yes.

> I have no idea, If the movement of a border node is communicated with
> the other processors sharing that node. Somebody else might know that....
> ALU for example would not do that - even if one was to add such a
> non-interface method.
> 

UGGrid doesn't communicate the new vertex position, either, but I guess
that could be implemented if you really wanted it.

But if I understand Alexey correctly, he wants to change the mesh _topology_?
I don't think you can do that with any Dune grid currently.

--
Oliver

> One option might be to use GeometryGrid<...> but then you would have to
> take care
> yourself that the new coordinate are communicated (using the communicate
> method
> on the grid).
> 
> Andreas
> 
> 
> On 23.02.2014 06:57, Алексей Тайнов wrote:
>> Hello Duna's developers and users!
>>
>> I am looking for subj functionality in mesh frameworks and want to ask:
>> Is it possible in Dune manage distribute(parallel) unstructured mesh (
>> I read docs and think that possible)?
>> Especially I am interesting in modification mesh topology on one
>> processor with automatic sending information to others processors.
>> (I try to develop parallel remeshing technology based on existing
>> sequential remeshing code)
>>
>> If you can help to explore this moments relate to Dune (link to useful
>> docs or class reference) it will be wonderful.
>> Thank for attention, BR
>> Alexey.
>>
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> 
> 
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