[Nek5000-users] Nek5000-users Digest, Vol 100, Issue 29

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

Hi Paul,

Now the number of total elements is 576000 written in the rea file. By the
way, would you please tell me the reason why only 1/1000 number of elements
are needed indeed with SEM.

Kind regards,

Jian


> Message: 2
> Date: Mon, 26 Jun 2017 15:27:28 +0000
> From: nek5000-users at lists.mcs.anl.gov
> To: "nek5000-users at lists.mcs.anl.gov"
>         <nek5000-users at lists.mcs.anl.gov>
> Subject: Re: [Nek5000-users] genmap
> Message-ID:
>         <mailman.9625.1498490850.2967.nek5000-users at lists.mcs.anl.gov>
> Content-Type: text/plain; charset="us-ascii"
>
>
> Dear Jiang,
>
>
> I think you have too many elements.  Keep in mind that with the SEM you
> need about 1/1000th of the number of elements that you would for FEM.
>
>
> What is the largest SEM run you have made so far?
>
>
> Best, Paul
>
>
> ________________________________
> From: nek5000-users-bounces at lists.mcs.anl.gov <
> nek5000-users-bounces at lists.mcs.anl.gov> on behalf of
> nek5000-users at lists.mcs.anl.gov <nek5000-users at lists.mcs.anl.gov>
> Sent: Monday, June 26, 2017 8:49:06 AM
> To: nek5000-users at lists.mcs.anl.gov
> Subject: [Nek5000-users] genmap
>
> Hi Neks,
>
> Is there anyone know the reason for the following error, in which there
> are hundred millions of grid points in the geometry.
>
>  ABORT: NELT>LELM, modify LELM in SIZE and recompile
>
> I changed the LELM to be big enough, even equals to 7000000000000, but it
> doesn't work though. I guess the reasons would be:
>
> 1. genmap cannot regonize large elements mesh;
> 2. I didn't get a recompilation after changing LELM parameter since I
> don't know how to compile and thought genmap commond would be changed
> automatically when the SIZE file in /home/bin/genmap was changed.
>
> Kind regards,
>
> Jian
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