[Nek5000-users] genmap

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

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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