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<p style="margin-top:0;margin-bottom:0">Marco,</p>
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<p style="margin-top:0;margin-bottom:0">I typically set BCs based on their geometric position, because</p>
<p style="margin-top:0;margin-bottom:0">that is going to be independent of the number of elements, of</p>
<p style="margin-top:0;margin-bottom:0">the provenance of the mesh generation, etc.</p>
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<p style="margin-top:0;margin-bottom:0">hth,</p>
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<p style="margin-top:0;margin-bottom:0">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 <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> Friday, June 1, 2018 1:05:59 PM<br>
<b>To:</b> nek5000-users@lists.mcs.anl.gov<br>
<b>Subject:</b> [Nek5000-users] Mesh with two blocks</font>
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<div class="PlainText">Hi,<br>
<br>
I would like to get some insights on how Nek5000 deals with meshes that contains more than one block. I generated a 2-D mesh with Cubit and was able to convert it to a re2 format with exo2nek but I do not know how to differentiate each block in the usr file
to set boundary conditions for instance.<br>
<br>
I went through the examples and did not find anything relevant to my question. Does anybody have experience with multi-block mesh? What is the proper approach when dealing with multi-block meshes in Nek5000?<br>
<br>
Thanks,<br>
<br>
Marco<br>
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