[Nek5000-users] Rayleigh example - no flow development

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

Dear all neks,

Recently I have tried to modify the rayleigh example to my case. However, I
discovered that no flow field is developed after a long time. All
velocities are zero. I guess I miss something important in the example.
Anyone knows which part of the code could lead to this?

Also, although I start with T = -z, I got asymmetric initial condition,
something not as I specified as viewed in postnek. Did I miss any point in
the .rea and .usr? The files are attached here. They are modified rea and
usr from rayleigh to my case.

Thank you very much.

Regards,
Simon
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