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Hi,
I am looking at the periodic BC with a rotation in a 2D flow. I managed
to get NekMesh to work and align a PI-rotational boundary pair. I
included a Rotated tag in the BOUNDARYCONDITIONS (it seems the tag is
not used in 2D anyway), but what I get is not what I have expected.
Consider attached figure, I have an outflow on top-right, rotated to
bottom-right and I was expecting to see an inflow there.
I had a look at the DisConstField.ccp, and there is a small piece of
code setting everything up (~4,5k lines of code), and from what I
understand rotation is not accounted for in a 2D case.
My question is than:
1. Am I looking at the periodic-rotation BC in a wrong way?
2. Where are periodic BC enforced? I was unable to find the spot where I
could just plug a *-1 to reverse the flow.
Cheers,
Stan
--
Pozdrawiam,
dr inż. Stanisław Gepner,
*Wydział Mechaniczny Energetyki i Lotnictwa*
Nowowiejska 21/25 Str.
00-665 Warszawa, Polska
tel. +48 (22) 234 51 70
<http://www.pw.edu.pl/>
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It is not immediately clear to me if the flowrate forcing is limited to
being applied to a single boundary?
e.g. will it work for a channel flow with multiple inlets and/or outlets?
or is it limited to a single boundary in the domain?
Regards,
~Kurt
--
Kurt Sansom
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Dear all:
I want to use the Nektar++ to conduct structural sensitivity analysis on the flow problem. I can get direct and adjoint modes, but I don't know how to get the sensitivity of base flow modification and local feedback (as shown in figure).
Can anyone help me?
Looking forward to your reply!
Best regards,
Xiangjun Shan
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