[Nek5000-users] Compute the derivatives

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

That's ok!
The SEM solution is by construction in C0 but not in C1.
Note: The jump in the derivative vanishes if N -> infty.

If you want to force the derivative to be in C0 just use dssum().

Hth,
Stefan 

 


On Jun 8, 2010, at 2:30 PM, nek5000-users at lists.mcs.anl.gov wrote:

> Hi all,
> 
> Thanks for the tip Aleks.
> Anyway, I have another question. When I visualize the computed derivatives using VisIt or Tecplot, it appears that discontinuities exist at the interfaces between elements.
> Is that normal or did I screw up something when setting up the calculation ?
> 
> Thanks,
> 
> JC
> 
> PS: Attached is a small portion of my computational domain on which one can clearly see the discontinuities.
> _______________________________________________
> Nek5000-users mailing list
> Nek5000-users at lists.mcs.anl.gov
> https://lists.mcs.anl.gov/mailman/listinfo/nek5000-users