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Thanks Christophe, I'll try it.<div><br></div><div class="mb_sig"><span style="font-family: georgia, serif"><div style="font-size: 10pt;display: inline" class="gmail_default"></div>Regards,<br>Shamsul Arefin<br></span><span style="font-family: georgia, serif"><font face="IcoFont" size="2"><span style="font-family: icofont;">ph: 017655441319</span></font></span></div><blockquote class="history_container" type="cite" style="border-left-style:solid;border-width:1px; margin-top:20px; margin-left:0px;padding-left:10px;">
<p style="color: #AAAAAA; margin-top: 10px;">On Thu 12 Oct 10:17:01 pm, Christophe Geuzaine <cgeuzaine@ulg.ac.be> wrote:</p>
<br>
<br>> On 11 Oct 2017, at 15:54, Shamsul Arefin <mail.shanto@gmail.com> wrote:
<br>>
<br>> How to mesh only the volume(s) and not the lines, surfaces etc?
<br>>
<br>> In my project I have imported a step-file of a bearing race (imagine a hollow cylinder). I want meshes on the volume only. The other geometric entities should be ignored. How do I make that happen?
<br>>
<br>> Normally if I use the '3D' mesh from the command tree, i find elements on the line, surface and volumes. Whereas, I don't want any 2D elements rather only 3D tetrahedron was expected.
<br>>
<br>> 1# I have tried to delete the geometry items, the edges, and failed. >>> idea was to keep only the volume entity in the CAD and mesh only the volume.
<br>>
<br>> 2# i tried to define physical entities of the volumes, to mesh only that physical entity, and failed.
<br>> a. I could not perform a selection (in coding) only for the volume elements.
<br>> b. even if I could succeed to select the volumes, I don't find a Meshing command to mesh only a particular physical entity.
<br>>
<br>
<br>When you create physical entities, only those entities that belong to a physical entity will be saved. So in your case, just define (for example) a single physical volume that contains all the volumes in the model. Then Gmsh will only save 3D elements.
<br>
<br>>
<br>> Regards,
<br>> Shamsul Arefin
<br>>
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<br>--
<br>Prof. Christophe Geuzaine
<br>University of Liege, Electrical Engineering and Computer Science
<br>http://www.montefiore.ulg.ac.be/~geuzaine
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<br>Free software: http://gmsh.info | http://getdp.info | http://onelab.info
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</mail.shanto@gmail.com></blockquote>
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