{"id":396814,"date":"2024-12-09T15:48:32","date_gmt":"2024-12-09T15:48:32","guid":{"rendered":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/396814\/"},"modified":"2024-12-09T15:48:32","modified_gmt":"2024-12-09T15:48:32","slug":"396814","status":"publish","type":"reply","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/396814\/","title":{"rendered":"Reply To: Tutorial or Help for 2 way FSI"},"content":{"rendered":"<p>&lt;p&gt;Yes for Mechanical, no for Fluent.&lt;\/p&gt;&lt;p&gt;You have to understand principles such as rotating reference frames and how they are applied to the solvers in order to complete this project. I can&#8217;t go through every detail in this forum I&#8217;m afraid.&lt;\/p&gt;&lt;p&gt;A moving wall in Fluent doesn&#8217;t mean a moving reference frame. A moving reference frame means you solve the fluid equations in rotating reference frame following the IR (i.e. rotating at the same speed). This is set under frame motion in Fluent.&lt;\/p&gt;&lt;p&gt;If you use frame motion, then it will be OK to change the IR wall speed back to stationary (<strong>relative to adjacent cell zone &#8211; which will now be rotating with IR<\/strong>). Sorry for changing this again, but it is not always clear the setup you currently have and supporting it via this forum chat alone is not easy. I think we&#8217;re getting there.&lt;\/p&gt;&lt;p&gt;If you don&#8217;t have the ball wall in Fluent then the ball will receive no fluid forces <strong>and will not rotate<\/strong>. I don&#8217;t understand why you don&#8217;t have the ball included in the fluid? I think you need to share your full boundary conditions on fluid side please.&lt;br&gt;&lt;br&gt;Paul&lt;\/p&gt;<\/p>\n","protected":false},"template":"","class_list":["post-396814","reply","type-reply","status-publish","hentry"],"aioseo_notices":[],"acf":[],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/replies\/396814","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/replies"}],"about":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/types\/reply"}],"version-history":[{"count":0,"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/replies\/396814\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=396814"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}