[Nek5000-users] low order interpolation

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

Hi Alessandro,

I use exactly the same procedure for my case. Just wondering, by any
chance, are there any points in hpts.in which are outside bounds of the
original domain, or you may resize the domain in userdat(), while
postprocessing in nek5000.

Best Regards,
Tanmoy

On Fri, Nov 20, 2015 at 6:46 AM, <nek5000-users at lists.mcs.anl.gov> wrote:

> Dear neks
>
> I don't know how Nek5000 performs the interpolation with hpts() routine
> but I have some problem when I use this last. Using Matlab I built an
> hpts.in file that contains the points of a structured and not constant
> mesh, then using Nek in postprocessing  mode I evaluate the values of
> velocity an pressure in this points. When I reshape the hpts.out in order
> to visualize my domain, there are many zones that have no-sense values!. I
> performed the same interpolation in tecplot and it works fine.
>
> my question is: there's any way to perform a first order interpolation in
> Nek5000?
>
> Sincerely
> Alessandro
>
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