[Nek5000-users] Redefine .rea parameters

nek5000-users at lists.mcs.anl.gov nek5000-users at lists.mcs.anl.gov
Tue Jun 19 14:25:16 CDT 2018


Hi,

After parametrization of NS equations I need to set viscos = Pr / sqrt(Ra)
and conduct = 1/sqrt(Ra). However, to simplify the parameters input I want
to set  Ra and Pr as params 34 and 35, respectively, and then redefine
params 2 and 8 in the .usr file.

I found that in the 2d_annulus example this is done in the usrdat2 routine,
but that isn't working (temperature fields doesn't change after modifying
Rayleigh number) nor in usrdat or usrdat3.

Any idea of why this could not be working or another implementation
suggestion?

I'm attaching the base case files

Regards

*Nicolás Andrés Órdenes Leiva*

Estudiante de Ingeniería Civil Mecánica
Universidad Técnica Federico Santa María
Tel: +56 9 7619 2857
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