Re: [Nektar-users] WSS taking too much time
Thank you Guglielmo and Selman I tried C0Projection method but I ended up with the following distribution: [image: image.png] As you see there is so much oscillation! I wonder how smooth your results are with WSS. syavash On Mon, May 20, 2024 at 2:56 PM Vivarelli, Guglielmo A < guglielmo.vivarelli12@imperial.ac.uk> wrote:
Hi Syavash,
Try:
FieldConvert -m C0Projection test.xml test.fld test-C0Proj.fld
Regards,
Guglielmo ------------------------------ *From:* Ehsan Asgari <eh.asgari@gmail.com> *Sent:* 20 May 2024 18:52 *To:* Vivarelli, Guglielmo A <guglielmo.vivarelli12@imperial.ac.uk> *Subject:* Re: [Nektar-users] WSS taking too much time
Thanks Guglielmo
It worked! However, the result is not satisfactory. I have a smooth velocity field but the wall shear stress exhibits discontinuities, likely due to C1 issue. Could you suggest a remedy?
syavash
On Mon, May 20, 2024 at 1:50 PM Vivarelli, Guglielmo A < guglielmo.vivarelli12@imperial.ac.uk> wrote:
Hi Syawash,
Try:
"mpirun -np *your_cores* FieldConvert -m wss:bnd=3 <mesh.xml> <session.xml> <time-averaged.fld> <time-averaged-wss.fld>"
Regards,
Guglielmo ------------------------------ *From:* nektar-users-bounces@imperial.ac.uk < nektar-users-bounces@imperial.ac.uk> on behalf of Ehsan Asgari < eh.asgari@gmail.com> *Sent:* 20 May 2024 17:48 *To:* nektar-users <nektar-users@imperial.ac.uk> *Subject:* [Nektar-users] WSS taking too much time
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Dear All,
I am trying to extract the wall shear stress for a 2.5-D case using the wss module:
FieldConvert -m wss:bnd=3 <mesh.xml> <session.xml> <time-averaged.fld> <time-averaged-wss.fld>
However, it is taking too much time to execute, more than 1 hour with no output.
I noticed another report on this issue in the mail archive, not sure if my case has the same problem.
I appreciate any help you can provide.
syavash
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                Ehsan Asgari