{"id":390762,"date":"2024-10-22T02:45:47","date_gmt":"2024-10-22T02:45:47","guid":{"rendered":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/free-to-zero-displacement-structural-boundary-conditions\/"},"modified":"2024-10-22T02:45:47","modified_gmt":"2024-10-22T02:45:47","slug":"free-to-zero-displacement-structural-boundary-conditions","status":"publish","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/free-to-zero-displacement-structural-boundary-conditions\/","title":{"rendered":"&#8220;Free&#8221; to Zero Displacement Structural Boundary Conditions"},"content":{"rendered":"<p>&lt;p&gt;Good afternoon,&lt;\/p&gt;&lt;p&gt;I am simulating an aluminium plate, and I would like to specify one edge to be fixed for the duration for the simulation and the opposite edge to be initially (i.e. Step 1) &#8220;free&#8221; with an applied thermal load that would cause the plate to freely thermally expand. Then, in Step 2 I want to fix the edge that was initially &#8220;free&#8221; and increase the thermal load enough to cause the plate to thermally buckle. The problem I run into is that I can only either specify &#8220;Free&#8221; displacement for the duration of the simulation, or I can specify Tabular Data which does not allow me to specify &#8220;Free&#8221; at any time step. Can you please give me some pointers?&lt;\/p&gt;<\/p>\n","protected":false},"template":"","class_list":["post-390762","topic","type-topic","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=\"Good afternoon,I am simulating an aluminium plate, and I would like to specify one edge to be fixed for the duration for the simulation and the opposite edge to be initially (i.e. Step 1) &quot;free&quot; with an applied thermal load that would cause the plate to freely thermally expand. Then, in Step 2 I want\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/free-to-zero-displacement-structural-boundary-conditions\/\" \/>\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=\"\u201cFree\u201d to Zero Displacement Structural Boundary Conditions | Ansys Learning Forum\" \/>\n\t\t<meta property=\"og:description\" content=\"Good afternoon,I am simulating an aluminium plate, and I would like to specify one edge to be fixed for the duration for the simulation and the opposite edge to be initially (i.e. Step 1) &quot;free&quot; with an applied thermal load that would cause the plate to freely thermally expand. 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