{"id":183658,"date":"2021-06-30T05:53:51","date_gmt":"2021-06-30T05:53:51","guid":{"rendered":"\/forum\/forums\/reply\/183658\/"},"modified":"2021-06-30T05:57:24","modified_gmt":"2021-06-30T05:57:24","slug":"183658","status":"publish","type":"reply","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/183658\/","title":{"rendered":"Reply To: Modelling PCB warpage in Ansys Spaceclaim and Mechanical"},"content":{"rendered":"<p>I came up with a third boundary condition setup as follows:<br \/>\nCreate a large plane geometry for the PCB to sit on<br \/>\nPlace fixed support on the plane geometry (for the purpose of simulating the &#8220;ground&#8221; in a reflow oven)<br \/>\nSet a rough (or maybe frictionless?) contact between the ground plane and PCB (To allow a gap to form when the PCB bends)<br \/>\nHowever, this setup unfortunately did not converge when I tried running it. Any suggestion for improvement is appreciated!<br \/>\n<img loading=\"lazy\" decoding=\"async\" src=\"\/forum\/wp-content\/uploads\/forum-uploads\/008\/A8GU70Q2H7Y3.png\" width=\"1919\" height=\"759\" \/><\/p>\n","protected":false},"template":"","class_list":["post-183658","reply","type-reply","status-publish","hentry"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"I came up with a third boundary condition setup as follows: Create a large plane geometry for the PCB to sit on Place fixed support on the plane geometry (for the purpose of simulating the &quot;ground&quot; in a reflow oven) Set a rough (or maybe frictionless?) contact between the ground plane and PCB (To allow\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/183658\/\" \/>\n\t<meta name=\"generator\" content=\"All in One SEO 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between the ground plane and PCB (To allow\" \/>\n\t\t<meta name=\"twitter:image\" content=\"https:\/\/innovationspace.ansys.com\/forum\/forum\/wp-content\/uploads\/forum-uploads\/008\/A8GU70Q2H7Y3.png\" \/>\n\t\t<script type=\"application\/ld+json\" class=\"aioseo-schema\">\n\t\t\t{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/reply\\\/183658\\\/#breadcrumblist\",\"itemListElement\":[{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum#listItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\",\"nextItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/reply\\\/183658\\\/#listItem\",\"name\":\"Reply To: Modelling PCB warpage in Ansys Spaceclaim and 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