{"id":185131,"date":"2021-07-15T07:20:00","date_gmt":"2021-07-15T07:20:00","guid":{"rendered":"\/forum\/forums\/reply\/185131\/"},"modified":"2021-07-15T07:21:15","modified_gmt":"2021-07-15T07:21:15","slug":"185131","status":"publish","type":"reply","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/185131\/","title":{"rendered":"Reply To: How to Activate\/Deactivate elements or change model in Ansys Mechanical?"},"content":{"rendered":"<p>As described above, I like to model a thermal cycling condition where my PCB will heat -> cooldown -> reheat again. In reality, deformation after three cycles will definitely be different from after just one cycle of heating and cooling. In ANSYS Static Structural, I added the following temperature points to my thermal condition.<br \/>\n<img loading=\"lazy\" decoding=\"async\" src=\"\/forum\/wp-content\/uploads\/forum-uploads\/156\/QSMM6WQXZ795.png\" width=\"1045\" height=\"233\" \/>However, the deformation after cooling down is the same as when it was heating up.<br \/>\n<img loading=\"lazy\" decoding=\"async\" src=\"\/forum\/wp-content\/uploads\/forum-uploads\/091\/0X7Z82DW36DH.png\" width=\"359\" height=\"81\" \/>This led me to look into the ekill and ealive commands which supposedly should deactivate all the elements and reactivate them (reactivated elements should have zero strains) before proceeding to solve the next step. But, I still get the same values for deformation.<br \/>\n<img loading=\"lazy\" decoding=\"async\" src=\"\/forum\/wp-content\/uploads\/forum-uploads\/692\/0QFHULNDW60T.png\" width=\"598\" height=\"654\" \/>What else can I possibly attempt to reach the desired outcome I want to see? Thanks!<\/p>\n","protected":false},"template":"","class_list":["post-185131","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=\"As described above, I like to model a thermal cycling condition where my PCB will heat -&gt; cooldown -&gt; reheat again. In reality, deformation after three cycles will definitely be different from after just one cycle of heating and cooling. In ANSYS Static Structural, I added the following temperature points to my thermal condition. However,\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/185131\/\" \/>\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: How to Activate\/Deactivate elements or change model in Ansys Mechanical? | Ansys Learning Forum\" \/>\n\t\t<meta property=\"og:description\" content=\"As described above, I like to model a thermal cycling condition where my PCB will heat -&gt; cooldown -&gt; reheat again. In reality, deformation after three cycles will definitely be different from after just one cycle of heating and cooling. In ANSYS Static Structural, I added the following temperature points to my thermal condition. However,\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/185131\/\" \/>\n\t\t<meta property=\"og:image\" content=\"https:\/\/innovationspace.ansys.com\/forum\/forum\/wp-content\/uploads\/forum-uploads\/156\/QSMM6WQXZ795.png\" \/>\n\t\t<meta property=\"og:image:secure_url\" content=\"https:\/\/innovationspace.ansys.com\/forum\/forum\/wp-content\/uploads\/forum-uploads\/156\/QSMM6WQXZ795.png\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2021-07-15T07:20:00+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2021-07-15T07:21:15+00:00\" \/>\n\t\t<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n\t\t<meta name=\"twitter:title\" content=\"Reply To: How to Activate\/Deactivate elements or change model in Ansys Mechanical? | Ansys Learning Forum\" \/>\n\t\t<meta name=\"twitter:description\" content=\"As described above, I like to model a thermal cycling condition where my PCB will heat -&gt; cooldown -&gt; reheat again. In reality, deformation after three cycles will definitely be different from after just one cycle of heating and cooling. In ANSYS Static Structural, I added the following temperature points to my thermal condition. However,\" \/>\n\t\t<meta name=\"twitter:image\" content=\"https:\/\/innovationspace.ansys.com\/forum\/forum\/wp-content\/uploads\/forum-uploads\/156\/QSMM6WQXZ795.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\\\/185131\\\/#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\\\/185131\\\/#listItem\",\"name\":\"Reply To: How to Activate\\\/Deactivate elements or change model in Ansys Mechanical?\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/reply\\\/185131\\\/#listItem\",\"position\":2,\"name\":\"Reply To: How to Activate\\\/Deactivate elements or change model in Ansys Mechanical?\",\"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\\\/185131\\\/#webpage\",\"url\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/reply\\\/185131\\\/\",\"name\":\"Reply To: How to Activate\\\/Deactivate elements or change model in Ansys Mechanical? | Ansys Learning Forum\",\"description\":\"As described above, I like to model a thermal cycling condition where my PCB will heat -> cooldown -> reheat again. In reality, deformation after three cycles will definitely be different from after just one cycle of heating and cooling. In ANSYS Static Structural, I added the following temperature points to my thermal condition. 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In reality, deformation after three cycles will definitely be different from after just one cycle of heating and cooling. In ANSYS Static Structural, I added the following temperature points to my thermal condition. 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In reality, deformation after three cycles will definitely be different from after just one cycle of heating and cooling. In ANSYS Static Structural, I added the following temperature points to my thermal condition. However,","og:url":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/185131\/","og:image":"https:\/\/innovationspace.ansys.com\/forum\/forum\/wp-content\/uploads\/forum-uploads\/156\/QSMM6WQXZ795.png","og:image:secure_url":"https:\/\/innovationspace.ansys.com\/forum\/forum\/wp-content\/uploads\/forum-uploads\/156\/QSMM6WQXZ795.png","article:published_time":"2021-07-15T07:20:00+00:00","article:modified_time":"2021-07-15T07:21:15+00:00","twitter:card":"summary_large_image","twitter:title":"Reply To: How to Activate\/Deactivate elements or change model in Ansys Mechanical? | Ansys Learning Forum","twitter:description":"As described above, I like to model a thermal cycling condition where my PCB will heat -&gt; cooldown -&gt; reheat again. In reality, deformation after three cycles will definitely be different from after just one cycle of heating and cooling. In ANSYS Static Structural, I added the following temperature points to my thermal condition. 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