<html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class=""><br class=""><div><br class=""><blockquote type="cite" class=""><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><br class="Apple-interchange-newline"><div class=""><div id="divtagdefaultwrapper" dir="ltr" style="caret-color: rgb(0, 0, 0); font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; font-size: 12pt; font-family: Calibri, Helvetica, sans-serif;" class=""><div style="margin-top: 0px; margin-bottom: 0px;" class="">Hello:</div><div style="margin-top: 0px; margin-bottom: 0px;" class=""><br class=""></div><div style="margin-top: 0px; margin-bottom: 0px;" class="">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><div style="margin-top: 0px; margin-bottom: 0px;" class=""><br class=""></div><p style="margin-top: 0px; margin-bottom: 0px;" class=""></p><div class="">cx = 0.0 ;<br class="">cy = 0.0 ;<br class="">cz = 0.0 ;</div><span class="">D = 1.0 ;</span><p style="margin-top: 0px; margin-bottom: 0px;" class=""></p><div style="margin-top: 0px; margin-bottom: 0px;" class=""><span class="">R = D/2;</span><br class=""></div><div style="margin-top: 0px; margin-bottom: 0px;" class=""><span class=""><span class="">SetFactory("OpenCASCADE");</span><br class=""></span></div><div style="margin-top: 0px; margin-bottom: 0px;" class=""><span class=""></span><span class="">Disk(1) = {cx,cy,cz,R} ; // creates a circle surface</span></div><div style="margin-top: 0px; margin-bottom: 0px;" class=""><span class="">Field[1] = MathEval ;</span></div><div style="margin-top: 0px; margin-bottom: 0px;" class=""><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=""></span></div><div style="margin-top: 0px; margin-bottom: 0px;" class=""><span class="">Field[1].F = "0.15 - 0.13*(x^2 + y^2)/(0.5^2)" ; // doesnt work 2D</span><br class=""></div><div style="margin-top: 0px; margin-bottom: 0px;" class=""><span class="">Background Field = 1 ;</span><br class=""></div><div style="margin-top: 0px; margin-bottom: 0px;" class=""><br class=""></div><div style="margin-top: 0px; margin-bottom: 0px;" class="">What I am doing wrong?<br class=""></div><div style="margin-top: 0px; margin-bottom: 0px;" class=""><br class=""></div></div></div></blockquote><div><br class=""></div><div>Add</div><div><br class=""></div><div>Mesh.CharacteristicLengthExtendFromBoundary = 0;</div><div><div class=""><br class=""></div><div class="">Christophe</div><div class=""><br class=""></div></div><br class=""><blockquote type="cite" class=""><div class=""><div id="divtagdefaultwrapper" dir="ltr" style="caret-color: rgb(0, 0, 0); font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; font-size: 12pt; font-family: Calibri, Helvetica, sans-serif;" class=""><div id="Signature" class=""><div id="divtagdefaultwrapper" dir="ltr" style="font-size: 12pt; font-family: Calibri, Arial, Helvetica, sans-serif, EmojiFont, "Apple Color Emoji", "Segoe UI Emoji", NotoColorEmoji, "Segoe UI Symbol", "Android Emoji", EmojiSymbols;" class="">Sincerely,<br class=""><br class="">Héctor<br class=""></div></div></div><span style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; float: none; 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font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px;" class="">http://onelab.info/mailman/listinfo/gmsh</a></div></blockquote></div><br class=""><div class="">
<div dir="auto" style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class=""><div style="color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px;">— </div><div style="color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px;">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=""><br class="">Free software: http://gmsh.info | http://getdp.info | http://onelab.info</div></div>
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