[Nek5000-users] History points
nek5000-users at lists.mcs.anl.gov
nek5000-users at lists.mcs.anl.gov
Wed May 5 16:35:07 CDT 2010
Hi Aleks,
One question; what exactly is 'grep History logfile'?
Cheers,
Frank
On Wed, 2010-05-05 at 15:17 -0500, nek5000-users at lists.mcs.anl.gov
wrote:
> Hi Jean-Christophe,
>
> This examples forces Nek5000 to output into the file blah.sch a time trace (H) of pressure (P), x & y velocity components (UV) for a point located in the element w/ global number IEL and collocation coordinates I,J K.
>
> Use 'grep History logfile' to get coordinates of the points.
>
> Aleks
>
>
>
>
> ----- Original Message -----
> From: nek5000-users at lists.mcs.anl.gov
> To: nek5000-users at lists.mcs.anl.gov
> Sent: Wednesday, May 5, 2010 12:22:03 PM GMT -06:00 US/Canada Central
> Subject: [Nek5000-users] History points
>
>
> Hello Nek's,
>
> I have a few questions on how to use the history points.
> I have seen on the wiki the following stuff:
>
>
> History points
>
>
> Specify grid points to monitor the specified variables in time. Example: ***** HISTORY AND INTEGRAL DATA *****
> 1 POINTS. Var, Hcode, I, J, K, IEL
> UV P H 2 2 1 4
>
> NOTE:
>
> • Make sure LHIS in SIZEu is large enough
> I bet Var stands for variable, but what do Hcode, I, J, K, and IEL stand for ?
>
> Once you have specified the location of your history point, let's say a point on the centerline of a stenotic flow at whatever streamwise station, how do you get the data concerning this history point? Do you have to change anything else in the output specification section ? I have tried to add the wiki lines up there directly in my blah.rea but once I ran the code I did not get any new files other than the expected blah.fld's.
>
> Regards,
> Jean-Christophe
>
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--
Frank Herbert Muldoon, Ph.D. Mechanical Engineering
Technische Universität Wien (Technical University of Vienna)
Inst. f. Strömungsmechanik und Wärmeübertragung (Institute of Fluid
Mechanics and Heat Transfer)
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