[Nek5000-users] Parameter settings on filterWeight and filterCutoffRatio

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

Hi neks,
   Recently I am working on an LES simulation in an annular pipe to see how
transverse velocity goes with Re increasing.
But I am quite wondering how I should set filterWeight and
filterCutoffRatio in my example while in the turbChannel demo they are
selected to 10 an 0.9 respectively as proposed value.
They should be sensitive parameters in LES simulation, don't they? Is there
any references concerned about them to help me see them more clearly?
If it is convenient for you could you please reply me a url to the
reference? Thank you so much for your assistence.

best regard
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