{"id":251236,"date":"2023-02-23T16:05:10","date_gmt":"2023-02-23T16:05:10","guid":{"rendered":"\/forum\/forums\/reply\/251236\/"},"modified":"2023-02-23T16:05:10","modified_gmt":"2023-02-23T16:05:10","slug":"251236","status":"publish","type":"reply","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/251236\/","title":{"rendered":"Reply To: Heating simulation of a resin jig"},"content":{"rendered":"<p>&lt;p&gt;The mistake is that air in Transient Thermal is fixed in space and heat can only <strong>conduct <\/strong>through the air. As you may know, air is a very good insulator if it can&#8217;t move, but a very poor insulator if it can move. To model the movement of air in an oven, use Fluent.&lt;\/p&gt;&lt;p&gt;If you don&#8217;t want to use Fluent, you can have a model in Transient Thermal of just the jig but no air. Put <strong>Convection <\/strong>boundary conditions on all faces of the jig and use the Tabular Data to type in the air temperature vs time profile for the heating cycle. Note that the Film Coefficient should be slightly different on faces of the jig that are vertical vs horizontal for the case where the oven does not have a fan to move the air around.&lt;\/p&gt;<\/p>\n","protected":false},"template":"","class_list":["post-251236","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=\"The mistake is that air in Transient Thermal is fixed in space and heat can only conduct through the air. As you may know, air is a very good insulator if it can&#039;t move, but a very poor insulator if it can move. To model the movement of air in an oven, use Fluent.If you\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/251236\/\" \/>\n\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 4.9.10\" \/>\n\t\t<meta property=\"og:locale\" content=\"en_US\" \/>\n\t\t<meta property=\"og:site_name\" content=\"Ansys Learning Forum | Ansys Innovation Space\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"Reply To: Heating simulation of a resin jig | Ansys Learning Forum\" \/>\n\t\t<meta property=\"og:description\" content=\"The mistake is that air in Transient Thermal is fixed in space and heat can only conduct through the air. As you may know, air is a very good insulator if it can&#039;t move, but a very poor insulator if it can move. To model the movement of air in an oven, use Fluent.If you\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/251236\/\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2023-02-23T16:05:10+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2023-02-23T16:05:10+00:00\" \/>\n\t\t<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n\t\t<meta name=\"twitter:title\" content=\"Reply To: Heating simulation of a resin jig | Ansys Learning Forum\" \/>\n\t\t<meta name=\"twitter:description\" content=\"The mistake is that air in Transient Thermal is fixed in space and heat can only conduct through the air. As you may know, air is a very good insulator if it can&#039;t move, but a very poor insulator if it can move. To model the movement of air in an oven, use Fluent.If you\" \/>\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\\\/251236\\\/#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\\\/251236\\\/#listItem\",\"name\":\"Reply To: Heating simulation of a resin jig\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/reply\\\/251236\\\/#listItem\",\"position\":2,\"name\":\"Reply To: Heating simulation of a resin jig\",\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum#listItem\",\"name\":\"Home\"}}]},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/#organization\",\"name\":\"Ansys Learning Forum\",\"description\":\"Ansys Innovation Space\",\"url\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/reply\\\/251236\\\/#webpage\",\"url\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/reply\\\/251236\\\/\",\"name\":\"Reply To: Heating simulation of a resin jig | Ansys Learning Forum\",\"description\":\"The mistake is that air in Transient Thermal is fixed in space and heat can only conduct through the air. As you may know, air is a very good insulator if it can't move, but a very poor insulator if it can move. 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