[Nek5000-users] calculating friction velocity/wall shear stress

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

Hello,

I want to calculate friction velocity or wall shear stress along seveal
lines, like lines around circle, my question is what would be the easiest
way to do?! defining a line in set_obj and calling torque_calc in userchk
or finding the velocity derivatives in userchck and then calculating wall
shear stress or even using post processing tool like VisIt or postnek?!

Thanks,
Ami
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