[Nek5000-users] Azimutal velocity on axisymmetric simulation

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

Have you tried starting with the vortex2 case?

It is axisymmetric, with swirl.

I've just verified that it is working correctly with the current repo version of the code
(and all previous versions, as far as I'm aware).

Paul

________________________________________
From: nek5000-users-bounces at lists.mcs.anl.gov [nek5000-users-bounces at lists.mcs.anl.gov] on behalf of nek5000-users at lists.mcs.anl.gov [nek5000-users at lists.mcs.anl.gov]
Sent: Wednesday, March 01, 2017 4:32 PM
To: nek5000-users at lists.mcs.anl.gov
Subject: [Nek5000-users] Azimutal velocity on axisymmetric simulation

Hi all,

I have been running an axisymmetric case for some time now tricking the
temperature array into storing azimutal velocity data (IFHEAT T, IFAZIV
T). Right now, I have an initial condition on "temperature" of 1.0E-12
so that it is not zero and the results I have been getting are not
consistent in a way where I can run the same case (same ".rea", same
".usr", same "SIZE") and get two very different results for the
"temperature" field: either it diverges very quickly (around 30th time
step) and shows "Inf" or it stays at around 1.0E-12 with some minor
perturbations for the rest of the simulation. Just to be clear, simply
stopping the simulation and re-running it from t=0 will "switch" between
those two results.

Any advice will be appreciated,
MViturro



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