<html><head></head><body><div>Fourth paragraph:</div><div><br></div><div>In the MSH file format (see <a href="http://gmsh.info/doc/texinfo/gmsh.html#File-formats">File formats</a>), if physical entities are
defined, the output mesh only contains those elements that belong to
physical entities. </div><div><br></div><div>BTW, I have given this link several times answering the same question. Maybe this should be added to the FAQ as one of the most frequent.</div><div><br></div><div><br></div><div><br></div><div>On Thu, 2017-10-12 at 14:38 +0200, Shamsul Arefin wrote:</div><blockquote type="cite" style="margin:0 0 0 .8ex; border-left:2px #729fcf solid;padding-left:1ex"><div id="__MailbirdStyleContent" style="font-size: 10pt;font-family: georgia;color: #000000">Sorry Jeremy, d<span style="font-size: 10pt;line-height: 1.5">id not get that. </span><div><span style="font-size: 10pt;line-height: 1.5">How does this link relate to the subject?</span><div><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>
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<p style="color: #AAAAAA; margin-top: 10px;">On Thu 12 Oct 3:26:09 am, jeremy theler <jeremy@seamplex.com> wrote:</p><p dir="ltr"><a href="http://gmsh.info/doc/texinfo/gmsh.html#Elementary-vs-physical-entities">http://gmsh.info/doc/texinfo/gmsh.html#Elementary-vs-physical-entities</a></p>
<br><div class="gmail_quote"><div dir="ltr">On Wed, Oct 11, 2017, 17:36 Fernando Lorenzo <<a href="mailto:felorenzo@att.net">felorenzo@att.net</a>> wrote:<br></div><blockquote type="cite" style="margin:0 0 0 .8ex; border-left:2px #729fcf solid;padding-left:1ex"><div dir="auto">If you save your mesh as Tochnog format, you will only get the tetrahedron or hexahedron if that is what you choose. <div><br></div><div>Your file will be name.dat. It will have a lot of details on how to set up the input file for tochnog, but you will find all the nodes and connectivities.</div><div><br><br><div id="m_-38135792924561765AppleMailSignature">Fernando Lorenzo<div><br></div><div>Sent from my iPhone</div></div></div></div><div dir="auto"><div><div><br>On Oct 11, 2017, at 9:54 AM, Shamsul Arefin <<a href="mailto:mail.shanto@gmail.com" target="_blank">mail.shanto@gmail.com</a>> wrote:<br><br></div></div></div><div dir="auto"><div><blockquote type="cite" style="margin:0 0 0 .8ex; border-left:2px #729fcf solid;padding-left:1ex"><div><div id="m_-38135792924561765__MailbirdStyleContent" style="font-size: 10pt;font-family: georgia;color: #000000">How to mesh only the volume(s) and not the lines, surfaces etc?<div><br></div><div>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?</div><div><br></div><div>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. </div><div><br></div><div>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.</div><div><br></div><div>2# i tried to define physical entities of the volumes, to mesh only that <span style="font-size: 13.3333px">physical entity, and failed</span>. </div></div></div></blockquote></div></div><div dir="auto"><div><blockquote type="cite" style="margin:0 0 0 .8ex; border-left:2px #729fcf solid;padding-left:1ex"><div><div id="m_-38135792924561765__MailbirdStyleContent" style="font-size: 10pt;font-family: georgia;color: #000000"><div> a. I could not perform a selection (in coding) only for the volume elements.. </div></div></div></blockquote></div></div><div dir="auto"><div><blockquote type="cite" style="margin:0 0 0 .8ex; border-left:2px #729fcf solid;padding-left:1ex"><div><div id="m_-38135792924561765__MailbirdStyleContent" style="font-size: 10pt;font-family: georgia;color: #000000"><div> 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><div><br></div><div><br></div><div class="m_-38135792924561765mb_sig"><span style="font-family:georgia,serif"><div style="font-size: 10pt;display: inline" class="gmail_default"></div>Regards,<br>Shamsul Arefin<br></span><br></div></div></div></div></blockquote></div></div><div dir="auto"><div><blockquote type="cite" style="margin:0 0 0 .8ex; border-left:2px #729fcf solid;padding-left:1ex"><div><span>_______________________________________________</span><br><span>gmsh mailing list</span><br><span><a href="mailto:gmsh@onelab.info" target="_blank">gmsh@onelab.info</a></span><br><span><a href="http://onelab.info/mailman/listinfo/gmsh" target="_blank">http://onelab.info/mailman/listinfo/gmsh</a></span><br></div></blockquote></div></div>_______________________________________________<br>
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</blockquote></div><div dir="ltr">-- <br></div><div class="gmail_signature" data-smartmail="gmail_signature"><div dir="ltr"><div><div>--<br></div>jeremy theler<br></div><a href="http://www.seamplex.com">www.seamplex.com</a><br></div></div>
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