<div dir="ltr"><div class="markdown-here-wrapper" style="font-family:'Courier New'"><p style="margin:1.2em 0px!important">Hello Brian,</p>
<p style="margin:1.2em 0px!important">It is not crystal clear to me what you want to do.<br>But you’ll find in the following a working geometry (with comments).<br>By the way, I guess the wrong command on your code is the <code style="font-style:inherit;font-variant:inherit;font-weight:inherit;font-stretch:inherit;font-size:inherit;line-height:inherit;font-family:inherit;margin:0px 0.15em;padding:0px 0.15em;white-space:pre-wrap;border:1px solid rgb(234,234,234);border-radius:3px;display:inline;background-color:rgb(248,248,248)">Layers</code> in the extrude section.<br>Last remark: I think it is easier to construct the first 2 volumes (say on the left) and then make the symmetry.</p>
<p style="margin:1.2em 0px!important">I’m pretty sure you will reach your goal with that.</p>
<pre style="font-style:inherit;font-variant:inherit;font-weight:inherit;font-stretch:inherit;font-size:inherit;line-height:inherit;font-family:inherit;font-size:1em;line-height:1.2em;margin:1.2em 0px"><code style="font-style:inherit;font-variant:inherit;font-weight:inherit;font-stretch:inherit;font-size:inherit;line-height:inherit;font-family:inherit;margin:0px 0.15em;padding:0px 0.15em;white-space:pre-wrap;border:1px solid rgb(234,234,234);border-radius:3px;display:inline;background-color:rgb(248,248,248);white-space:pre;overflow:auto;border-radius:3px;border:1px solid rgb(204,204,204);padding:0.5em 0.7em;display:block!important">mcl = 0.25;
// You should consider using p1 = newp; Point (p1) = ...; p2 = newp .... That helps a lot !
Point(1000) = {9.40, 5.5, 0, mcl};
Point(1003) = {9.40, 6.6, 0, mcl};
Point(1004) = {8.68, 6.6, 0, mcl};
Point(1005) = {7.91, 5.5, 0, mcl};
Point(1006) = {8.25, 6.6, 0, mcl};
Point(1007) = {7.83, 6.6, 0, mcl};
Point(1008) = {7.39, 6.6, 0, mcl};
Point(1009) = {6.84, 6.6, 0, mcl};
Point(1010) = {5.97, 6.6, 0, mcl};
Point(1011) = {4.89, 6.6, 0, mcl};
Point(1012) = {3.71, 6.6, 0, mcl};
Point(1013) = {3.43, 6.0, 0, mcl};
Point(1014) = {4.05, 5.5, 0, mcl};
Point(1015) = {5.45, 5.5, 0, mcl};
Point(1016) = {6.1, 5.5, 0, mcl};
Point(1017) = {6.93, 5.5, 0, mcl};
Point(1018) = {7.20, 5.5, 0, mcl};
Point(1019) = {7.52, 5.5, 0, mcl};
Point(1020) = {8.5, 5.5, 0, mcl};
Point(1021) = {9.4, 1.82, 0, mcl};
Point(1022) = {6.12, 2.27, 0, mcl};
Point(1023) = {3.22, 3.63, 0, mcl};
Point(1024) = {2.02, 6.11, 0, mcl};
Point(1025) = {3.15, 8.27, 0, mcl};
Point(1026) = {5.5, 9.0, 0, mcl};
Point(1027) = {8.2, 9.5, 0, mcl};
Point(1028) = {9.4, 9.75, 0, mcl};

// Idem here: l1 = newl; Line (l1) = ....
// First outer line
Line(1036) = {1003, 1004};
Spline(1037) = {1004, 1006, 1007, 1008, 1009};
Spline(1038) = {1009, 1010, 1011, 1012, 1013, 1014, 1015, 1016};
Line(1039) = {1016, 1017};
Line(1040) = {1017, 1018};
Spline(1041) = {1018, 1019, 1005, 1020};
Line(1042) = {1020, 1000};

//Second outer line
// I'll write FirstLL[] += newl; Spline(FirstLL[#FirstLL[]-1]) = ....
Spline(1030) = {1021, 1022, 1023, 1024, 1025, 1026};
Spline(1031) = {1026, 1027, 1028};

// Actually, we should duplicates contour by contour to let us write
// ll1 = newll; Line Loop(ll1) = {FirstLL[], ll1[]};
ll[] += Symmetry {1.0, 0.0, 0.0, -9.4} { Duplicata{Line{1031,1030,1036,1037,1038,1039,1040,1041,1042};} };
For i In {0:#ll[]-1}
  Printf("ll[%g] = %g",i,ll[i]);
EndFor

ll1 = newll; Line Loop(ll1) = {1030,1031,-1043,-1044};
ll2 = newll; Line Loop(ll2) = {1036,1037,1038,1039,1040,1041,1042,-1051,-1050,-1049,-1048,-1047,-1046,-1045};

// Only two surfaces
// If you want 4 (to produce 4 volumes) you only have to modify the upper line loops)
s1 = news; Plane Surface(s1) = {ll1,-ll2};
s2 = news; Plane Surface(s2) = {ll2};

// one extrusion to produce two volumes.
Extrude {0, 0, 10} {
  Surface{s1,s2};
  Layers{10};
  Recombine;
}
</code></pre><p style="margin:1.2em 0px!important">All the best,</p>
<p style="margin:1.2em 0px!important">VH</p>
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bm9zcGFjZTsiPlZIPC9kaXY+" style="height:0;width:0;max-height:0;max-width:0;overflow:hidden;font-size:0em;padding:0;margin:0">​</div></div></div><div class="gmail_extra"><br><div class="gmail_quote">2016-01-29 21:00 GMT+01:00 Brian Drawert <span dir="ltr"><<a href="mailto:brian@drawert.net" target="_blank">brian@drawert.net</a>></span>:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Hi Gmsh mailing list,<br>
<br>
I am kinda new to Gmsh, and have yet to find a good resource to answer my questions.  I am hoping that someone on the list can help me.<br>
<br>
I have attached a mesh.  It it, I am making a mesh that have 4 volumes, and is symmetric along the YZ plane, and uniform along the z-axis.  On each side, there is an inner volume that inside the outer volume.  I am drawing the points along the left z=0 surface, mirroring to the right side, then extruding the surfaces to make the volumes.  However, when try to mesh with a 3D mesh, I get lots of errors about “Could not find extruded vertex” (41 errors), and I am not extruding the right side.  When this is done the mesh looks unphysical (see attached screenshot v2.11 on OSX).<br>
<br>
I also tried to make this mesh using a surface loop, but I was unable to figure out how to use translate or symmetry to duplicate a line loop, so I could not make a complete surface.<br>
<br>
Any assistance or pointers to where I might find documentation on how to compete this process would be greatly appreciated.<br>
<br>
Thanks,<br>
  Brian<br>
<br>
<br>
<br>
<br>
<br>
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<br></blockquote></div><br><br clear="all"><div><br></div>-- <br><div class="gmail_signature"><div dir="ltr"><font face="courier new, monospace">Docteur Ingénieur de recherche</font><div><font face="courier new, monospace"><a href="http://www.cemosis.fr" target="_blank">CeMoSiS</a> - <a href="mailto:vincent.huber@cemosis.fr" target="_blank">vincent.huber@cemosis.fr</a></font></div><div><font face="courier new, monospace">Tel: +33 (0)3 68 8<b>5 02 06</b></font></div><div><font face="courier new, monospace">IRMA - 7, rue René Descartes</font></div><div><font face="courier new, monospace">67 000 Strasbourg</font></div><div><br></div><div><img src="http://www.google.com/a/cpanel/cemosis.fr/images/logo.gif"></div></div></div>
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