[Nek5000-users] Modifying an initial field

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

Hi neks,

I am loading an initial condition from a .fld file, but I would like to
modify the velocity field before using it as my initial condition.  (I would
like to superpose a shear onto the existing field.)  Can someone tell me
what part of the .usr file this should be done in?

Best,

David
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