[Nek5000-users] Periodic BC on non-parallel boundaries

[nek5000-users at lists.mcs.anl.gov]

Let me check what we need to change to make it happen.
-Stefan

On 10/10/11, nek5000-users at lists.mcs.anl.gov
<nek5000-users at lists.mcs.anl.gov> wrote:
> Well then it seems I am stuck.  Might a work-around be possible for a 1/4 or
> 1/2 annulus?  For instance with 1/2, I would just need to match (u,v) to
> (-u,-v).
>
> David
>
> On Mon, Oct 10, 2011 at 1:41 PM, <nek5000-users at lists.mcs.anl.gov> wrote:
>
>> btw: I am afraid, the stress formulation doesn't support cyclic BCs at
>> the moment!
>> -Stefan
>>
>> On 10/10/11, S K <stgeke at googlemail.com> wrote:
>> > You are right, it's an undocumented AND experimental feature. Just
>> > flag the boundaries as periodic. Yes, just add another IFCYCLIC line.
>> > Currently, there is no stress formulation support for Pn/Pn.
>> >
>> > -Stefan
>> >
>> > On 10/10/11, nek5000-users at lists.mcs.anl.gov
>> > <nek5000-users at lists.mcs.anl.gov> wrote:
>> >> Hi Stephan,
>> >>
>> >> I see, thanks.  I can`t find any documentation about cyclic BC`s.  What
>> >> is
>> >> their symbol for the box file?  Also, I don`t see a logical switch for
>> >> IFCYCLIC.  Do I just add another line?
>> >>
>> >> Also, I have stress-free BC on curved boundaries.  A series of error
>> >> messages led me to believe that I had to use the stress formulation,
>> >> and
>> >> that this required me to use Pn/Pn-2.  Is this not the case?
>> >>
>> >> Best,
>> >>
>> >> David
>> >>
>> >
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>