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<p style="margin-top:0;margin-bottom:0">Thanks! It works now.</p>
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<p style="margin-top:0;margin-bottom:0">I was only using</p>
<p style="margin-top:0;margin-bottom:0"><span>Mesh.CharacteristicLengthFromPoints = 0;</span><br>
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<p style="margin-top:0;margin-bottom:0">but I was missing that other option.<br>
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<p style="margin-top:0;margin-bottom:0">In addition to that I had to delete the lines</p>
<p style="margin-top:0;margin-bottom:0"><span>Mesh.CharacteristicLengthExtendFromBoundary = 1;</span></p>
<p style="margin-top:0;margin-bottom:0"><span><span>Mesh.CharacteristicLengthFromPoints = 1;</span><br>
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<p style="margin-top:0;margin-bottom:0">from the .opt file because gmsh reads first the .geo and then the .opt<br>
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Sincerely,
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<p>Héctor Espinoza</p>
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<div id="divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" style="font-size:11pt" color="#000000"><b>De:</b> Christophe Geuzaine <cgeuzaine@uliege.be><br>
<b>Enviado:</b> viernes, 22 de junio de 2018 1:39:06<br>
<b>Para:</b> Hector Gabriel Espinoza Román<br>
<b>Cc:</b> gmsh@onelab.info<br>
<b>Asunto:</b> Re: [Gmsh] MathEval field in a circle with Open Cascade</font>
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<div class="">On 22 Jun 2018, at 00:55, Hector Gabriel Espinoza Román <<a href="mailto:hespinoza@utb.edu.co" class="">hespinoza@utb.edu.co</a>> wrote:</div>
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<div class="" style="margin-top:0px; margin-bottom:0px">Hello:</div>
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<div class="" style="margin-top:0px; margin-bottom:0px">This simple script should draw a circle (2D surface) and when meshed it should be refined on the boundary, but I am not getting that. I have done the same without Open Cascade and it works.</div>
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<div class="">cx = 0.0 ;<br class="">
cy = 0.0 ;<br class="">
cz = 0.0 ;</div>
<span class="">D = 1.0 ;</span>
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<div class="" style="margin-top:0px; margin-bottom:0px"><span class="">R = D/2;</span><br class="">
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<div class="" style="margin-top:0px; margin-bottom:0px"><span class=""><span class="">SetFactory("OpenCASCADE");</span><br class="">
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<div class="" style="margin-top:0px; margin-bottom:0px"><span class=""></span><span class="">Disk(1) = {cx,cy,cz,R} ; // creates a circle surface</span></div>
<div class="" style="margin-top:0px; margin-bottom:0px"><span class="">Field[1] = MathEval ;</span></div>
<div class="" style="margin-top:0px; margin-bottom:0px"><span class=""><span class="">//Field[1].F = "0.15 - 0.13*((x^2)/(0.5^2))" ; // works 2D, 617 elements: 0.02 to 0.15</span><br class="">
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<div class="" style="margin-top:0px; margin-bottom:0px"><span class="">Field[1].F = "0.15 - 0.13*(x^2 + y^2)/(0.5^2)" ; // doesnt work 2D</span><br class="">
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<div class="" style="margin-top:0px; margin-bottom:0px"><span class="">Background Field = 1 ;</span><br class="">
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<div class="" style="margin-top:0px; margin-bottom:0px">What I am doing wrong?<br class="">
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<div>Add</div>
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<div>Mesh.CharacteristicLengthExtendFromBoundary = 0;</div>
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<div class="">Christophe</div>
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Sincerely,<br class="">
<br class="">
Héctor<br class="">
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Prof. Christophe Geuzaine<br class="">
University of Liege, Electrical Engineering and Computer Science <br class="">
<a href="http://www.montefiore.ulg.ac.be/~geuzaine" class="">http://www.montefiore.ulg.ac.be/~geuzaine</a><br class="">
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Free software: http://gmsh.info | http://getdp.info | http://onelab.info</div>
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