On Wed, Sep 28, 2016 at 1:20 PM, Derek Gaston <fried...@gmail.com> wrote:

> Nope - just couple the elements that lie along the boundary. You end up
> with a tiny amount of "extra" ghosting... but it gives you the flexibility
> to be able to evaluate anywhere within a boundary element (and is fairly
> critical if you're using elemental DoFs anyway!).



Sounds good, thanks for clarifying!

David





> On Wed, Sep 28, 2016 at 7:19 AM David Knezevic <david.kneze...@akselos.com>
> wrote:
>
>> On Wed, Sep 28, 2016 at 12:13 AM, Derek Gaston <fried...@gmail.com>
>> wrote:
>>
>>> Yeah - coupling interior boundary elements is what we do with MOOSE.
>>> Makes things simple.
>>>
>>
>> Just to confirm, do you mean that you add extra "dim-1"-dimensional
>> surface elements to the mesh and couple those?
>>
>> Thanks,
>> David
>>
>>
>>
>>
>>> On Tue, Sep 27, 2016 at 9:55 PM David Knezevic <
>>> david.kneze...@akselos.com> wrote:
>>>
>>>> On Tue, Sep 27, 2016 at 9:47 PM, Roy Stogner <royst...@ices.utexas.edu>
>>>> wrote:
>>>>
>>>> >
>>>> > On Tue, 27 Sep 2016, David Knezevic wrote:
>>>> >
>>>> > Quick question about the new GhostingFunctor stuff: I was wondering
>>>> >> if a similar approach to misc_ex9 could be applied to node-to-node
>>>> >> coupling, e.g. like in systems_of_equations_ex8 where currently we
>>>> >> add Edge2 elements to ensure the appropriate ghosting is provided?
>>>> >>
>>>> >
>>>> > The functors are pretty heavily built around element coupling.  But we
>>>> > do allow multi dimensional manifolds now.  You could create a NodeElem
>>>> > for each node and couple those, or if you have surfaces that you want
>>>> > to stay coupled even after AMR you could create boundary elements and
>>>> > couple those.
>>>> >
>>>> > Or you could just couple the interior elements on corresponding
>>>> > boundaries - that'll be slightly less efficient but it'll work.
>>>> >
>>>>
>>>>
>>>> OK, got it, thanks! I'll keep these approaches in mind.
>>>>
>>>> Thanks,
>>>> David
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