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<p>Dear Jiang,</p>
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</p>
<p>If you run with lx1=10 you have 1000 points per element.</p>
<p><br>
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<p>FEM never runs with 10th order - the SEM is meant to do this.</p>
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<p>What is the largest SEM problem you have run so far? I recommend starting with a sequence of small ones just to get used to the workflow.</p>
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</p>
<p>Paul</p>
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<div id="divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" style="font-size:11pt" color="#000000"><b>From:</b> nek5000-users-bounces@lists.mcs.anl.gov <nek5000-users-bounces@lists.mcs.anl.gov> on behalf of nek5000-users@lists.mcs.anl.gov <nek5000-users@lists.mcs.anl.gov><br>
<b>Sent:</b> Monday, June 26, 2017 12:06:06 PM<br>
<b>To:</b> nek5000-users@lists.mcs.anl.gov<br>
<b>Subject:</b> Re: [Nek5000-users] Nek5000-users Digest, Vol 100, Issue 29</font>
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<div dir="ltr">Hi Paul,
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<div>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.</div>
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<div>Kind regards,</div>
<div><br>
</div>
<div>Jian<br>
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<blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
Message: 2<br>
Date: Mon, 26 Jun 2017 15:27:28 +0000<br>
From: <a href="mailto:nek5000-users@lists.mcs.anl.gov">nek5000-users@lists.mcs.anl.<wbr>gov</a><br>
To: "<a href="mailto:nek5000-users@lists.mcs.anl.gov">nek5000-users@lists.mcs.anl.<wbr>gov</a>"<br>
<<a href="mailto:nek5000-users@lists.mcs.anl.gov">nek5000-users@lists.mcs.anl.<wbr>gov</a>><br>
Subject: Re: [Nek5000-users] genmap<br>
Message-ID:<br>
<<a href="mailto:mailman.9625.1498490850.2967.nek5000-users@lists.mcs.anl.gov">mailman.9625.1498490850.2967.<wbr>nek5000-users@lists.mcs.anl.<wbr>gov</a>><br>
Content-Type: text/plain; charset="us-ascii"<br>
<br>
<br>
Dear Jiang,<br>
<br>
<br>
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.<br>
<br>
<br>
What is the largest SEM run you have made so far?<br>
<br>
<br>
Best, Paul<br>
<br>
<br>
______________________________<wbr>__<br>
From: <a href="mailto:nek5000-users-bounces@lists.mcs.anl.gov">nek5000-users-bounces@lists.<wbr>mcs.anl.gov</a> <<a href="mailto:nek5000-users-bounces@lists.mcs.anl.gov">nek5000-users-bounces@lists.<wbr>mcs.anl.gov</a>> on behalf of
<a href="mailto:nek5000-users@lists.mcs.anl.gov">nek5000-users@lists.mcs.anl.<wbr>gov</a> <<a href="mailto:nek5000-users@lists.mcs.anl.gov">nek5000-users@lists.mcs.anl.<wbr>gov</a>><br>
Sent: Monday, June 26, 2017 8:49:06 AM<br>
To: <a href="mailto:nek5000-users@lists.mcs.anl.gov">nek5000-users@lists.mcs.anl.<wbr>gov</a><br>
Subject: [Nek5000-users] genmap<br>
<br>
Hi Neks,<br>
<br>
Is there anyone know the reason for the following error, in which there are hundred millions of grid points in the geometry.<br>
<br>
ABORT: NELT>LELM, modify LELM in SIZE and recompile<br>
<br>
I changed the LELM to be big enough, even equals to 7000000000000, but it doesn't work though. I guess the reasons would be:<br>
<br>
1. genmap cannot regonize large elements mesh;<br>
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.<br>
<br>
Kind regards,<br>
<br>
Jian<br>
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