<div dir="ltr"><span style="font-size:12.8px">Thank you all for your responses!</span><div style="font-size:12.8px"><br></div><div style="font-size:12.8px">The output mesh for my application cannot be in the tochnog format. </div><div style="font-size:12.8px"><br></div><div style="font-size:12.8px">@Billy and Jeremy</div><div style="font-size:12.8px">I am new to gmsh and do not really understand how to implement your suggestion.</div><div style="font-size:12.8px"><br></div><div style="font-size:12.8px">if I am meshing in non-interactive mode, what option will I have to give to have only nodes and tetrahedra in my output mesh file?</div></div><div class="gmail_extra"><br><div class="gmail_quote">On Mon, Aug 22, 2016 at 6:31 PM, Jeremy Theler <span dir="ltr"><<a href="mailto:jeremy@seamplex.com" target="_blank">jeremy@seamplex.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Define physical entities containing only volumes. See<br>
<a href="http://gmsh.info/doc/texinfo/gmsh.html#Elementary-vs-physical-entities" rel="noreferrer" target="_blank">http://gmsh.info/doc/texinfo/<wbr>gmsh.html#Elementary-vs-<wbr>physical-entities</a><br>
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On Mon, 2016-08-22 at 16:29 +0200, Nikhil Vaidya wrote:<br>
> Hi!<br>
><br>
><br>
> I need a tetrahedral mesh for FEM simulations. I therefore need a mesh<br>
> file only with the vertices and tetrahedral mesh elements. How do I<br>
> get gmsh to write only these to file instead of all the element types?<br>
><br>
><br>
> Best regards,<br>
> Nikhil Vaidya<br>
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