The output fld will either be a 1D/2D field of wss values on the boundary ID for a 2D/3D flow field.
If you wish to compute
mean of the wss, you can use FieldConvert -m mean with the appropriate 1D/2D mesh file of the boundary obtained using Nekmesh -m extract. Hope this helps
From: nektar-users-bounces@imperial.ac.uk <nektar-users-bounces@imperial.ac.uk> on behalf of Ehsan Asgari <eh.asgari@gmail.com> Sent: Tuesday, June 6, 2023 8:07:43 AM To: nektar-users <nektar-users@imperial.ac.uk> Subject: [Nektar-users] Calculating time-averaged wall shear stress
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Dear All,
I have a time-averaged field, say "time-average.fld". How should I proceed to calculate time-averaged wall shear stress? I was wondering if I need to use "wss" first.