[Nek5000-users] turbChannel: history points and instantaneous velocity field

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

Hi Emily,

Could you send me your case off-list so that I could have a look?

Sincerely,

On Tue, Feb 20, 2018 at 10:55 AM <nek5000-users at lists.mcs.anl.gov> wrote:

> Hello,
>
>
>
> Thank you for the reply. The istep loop shall be fine. I tried some other lines in the “if..endif” loop here and they all worked.
>
> I also commented the if loop and I had the same error information. I really do not know why.
>
>
>
> Regards,
>
>
>
> Emily
>
>
>
> _______________________________________________________________________
>
>
>
> Hi Emily,
>
>
>
> Did you call the hpts() subroutine without calling the istep loop?
>
>
>
> Sincerely,
>
>
>
> On Mon, Feb 19, 2018 at 3:41 PM <nek5000-users at lists.mcs.anl.gov <https://lists.mcs.anl.gov/mailman/listinfo/nek5000-users>> wrote:
>
>
>
> >* Dear Nek users,*
>
> >
>
> >
>
> >
>
> >* I am attempting to use History Points features in turbChannel example and*
>
> >* unfortunately I run into an issue. In the subroutine userchck, I added:*
>
> >
>
> >
>
> >
>
> >* if(istep. eq. 1) then*
>
> >
>
> >*               call hpts()                       !checkpoints*
>
> >
>
> >* endif*
>
> >
>
> >
>
> >
>
> >* where the file is name “check.his” , the format of which follows the user*
>
> >* guide:*
>
> >
>
> >* 2             !number of checkpoints*
>
> >
>
> >* 1. -0.98 1.   !x,y,z locations*
>
> >
>
> >* 2. -0.67 4.*
>
> >
>
> >
>
> >
>
> >* However, I received an error saying: Cannot open history file in*
>
> >* subroutine hpts(). Has anyone run into this error before?*
>
> >
>
> >
>
> >
>
> >* Another question really bothering me is that I could not figure out how to*
>
> >* write out the instantaneous velocity field (u(x,y,z),v(x,y,z),w(x,y,z)) at*
>
> >* a specific time step (istep). Could anyone please help me on this as well?*
>
> >
>
> >
>
> >
>
> >* Regards,*
>
> >
>
> >
>
> >
>
> >* Emily*
>
>
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>
-- 

*Amitvikram Dutta*

Graduate Research Assistant

Fluid Mechanics Research Lab

Multi-Physics Interaction Lab

University of Waterloo
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