{"id":398312,"date":"2024-12-23T13:54:59","date_gmt":"2024-12-23T13:54:59","guid":{"rendered":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/398312\/"},"modified":"2024-12-23T13:59:30","modified_gmt":"2024-12-23T13:59:30","slug":"398312","status":"publish","type":"reply","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/398312\/","title":{"rendered":"Reply To: Tutorial or Help for 2 way FSI"},"content":{"rendered":"<p>&lt;p&gt;&nbsp;&lt;\/p&gt;&lt;p&gt;I have read about the RRF and MRF. For my case, it is to solve the equation of motion in the IR Reference frame (which rotates with the IR in mechanical).&lt;\/p&gt;&lt;p&gt;But the Ball will still translate and rotate w.r.t Inner Race referece Frame. (as the Cage is not present in my case to translate the ball)&lt;\/p&gt;&lt;p&gt;Outer Race will move in the opposite direction w.r.t Inner Race reference Frame.&lt;\/p&gt;&lt;p&gt;In the Pciture below, The Cage (w_c) rotating casuses the ball to translate\/guide along the circumferece. That is missing in my case!!&lt;\/p&gt;&lt;p&gt;<img decoding=\"async\" src=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2024\/12\/23-12-2024-1734962013-mceclip0.png\" \/>&lt;\/p&gt;&lt;p&gt;&nbsp;&lt;\/p&gt;&lt;p&gt;If the ball does not translate, I cannot capture the correct Lubrication Dynamics and Effects on surface of Raceway.&lt;\/p&gt;&lt;p&gt;So translation of ball is important for me. That is why I have these B.C. in Mechanical:&lt;\/p&gt;&lt;div&gt;&bull;IR = + 1000 RPM Rotational Velocity&lt;\/div&gt;&lt;div&gt;&bull;OR = Fixed Support&lt;\/div&gt;&lt;div&gt;&bull;Ball = Remote Displacement ( Ux, Uy = Free, Rz = Free)&lt;\/div&gt;&lt;div&gt;&nbsp;&lt;\/div&gt;&lt;div&gt;I want you to help me with the Wall Speed of all this objects (IR, OR and Ball) in the Fluent for this case?&lt;\/div&gt;&lt;p&gt;&nbsp;&lt;\/p&gt;<\/p>\n","protected":false},"template":"","class_list":["post-398312","reply","type-reply","status-publish","hentry"],"aioseo_notices":[],"acf":[],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/replies\/398312","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":1,"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/replies\/398312\/revisions"}],"predecessor-version":[{"id":398313,"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/replies\/398312\/revisions\/398313"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=398312"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}