<div dir="ltr">Hello,<div><br></div><div>I have attached the STL files. Kindly take a took.</div><div><br></div><div>Thanks,</div><div>Prithivi</div></div><br><div class="gmail_quote"><div dir="ltr">On Thu, Dec 27, 2018 at 2:43 PM Christophe Geuzaine <<a href="mailto:cgeuzaine@uliege.be">cgeuzaine@uliege.be</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><br>
Can you share the STL? Maybe the quality is constrained by the quality of the input triangles.<br>
<br>
Christophe<br>
<br>
> On 21 Dec 2018, at 03:30, Prithivirajan V <<a href="mailto:prithivi.purdue@gmail.com" target="_blank">prithivi.purdue@gmail.com</a>> wrote:<br>
> <br>
> Dear Gmsh users,<br>
> <br>
> I am using Gmsh to convert a bunch of .STL files to a 3D volume mesh ( tetrahedral) using the following set of 4 commands. <br>
> <br>
> ###############################<br>
> 1. Merge command for all the stl files I have ( showing just one below)<br>
> <br>
> Merge "Path\Grain_1.stl";<br>
> Surface Loop(1)={1};<br>
> Volume(1)={1};<br>
> Physical Volume (1)={1};<br>
> <br>
> 2. Path\gmsh.exe -3 -order 1 optimize out_temp.geo > meshing.log<br>
> (out_temp.geo contains the merge command and others for all stl files as shown in 1)<br>
> <br>
> 3. Path\gmsh.exe -0 -o out_temp.msh out.geo >> meshing.log<br>
> <br>
> 4. Path\gmsh.exe out_temp.msh -0 -o ABAQUS.inp<br>
> ###################################<br>
> <br>
> The issue is that I am getting 3 % bad elements in my volume mesh. I am using the mesh qiality metric defined by circumsphere radius / insphere radius.<br>
> <br>
> How do I improve the quality of my final 3D volume mesh ? Could anyone offer your advise in this ?<br>
> <br>
> -Prithivi<br>
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<br>
— <br>
Prof. Christophe Geuzaine<br>
University of Liege, Electrical Engineering and Computer Science <br>
<a href="http://www.montefiore.ulg.ac.be/~geuzaine" rel="noreferrer" target="_blank">http://www.montefiore.ulg.ac.be/~geuzaine</a><br>
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</blockquote></div>