{"id":395329,"date":"2024-11-26T11:57:43","date_gmt":"2024-11-26T11:57:43","guid":{"rendered":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/395329\/"},"modified":"2024-11-26T11:57:43","modified_gmt":"2024-11-26T11:57:43","slug":"395329","status":"publish","type":"reply","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/395329\/","title":{"rendered":"Reply To: Tutorial or Help for 2 way FSI"},"content":{"rendered":"<p>&lt;p&gt;Hello Paul,&lt;\/p&gt;&lt;p&gt;<img decoding=\"async\" src=\"https:\/\/upload.wikimedia.org\/wikipedia\/commons\/3\/30\/BallBearing.gif\" alt=\"File:BallBearing.gif - Wikimedia Commons\" \/>&lt;\/p&gt;&lt;p&gt;That is how the BB works (just in case if there might be some misunderstanding). The Inner Race (IR) causes the Ball to move becuase of Frictional ocntact between them. The Outer Race (OR) are fixed to the Housing.&lt;\/p&gt;&lt;p&gt;In order to reduce this friction, we provide Lubricant in these BB. So my work is to ASSUME that there is always Lubricant Film ( 1mm to 1 um range) between Ball and Races (IR &amp; OR)..&lt;\/p&gt;&lt;p&gt;You are right &#8212;&gt; &#8216;&lt;span style=&#8221;color: #3598db;&#8221;&gt;<strong><em>&#8216;I thought the ball does not rotate from mechanical contact with IR but that the fluid imparts a torque on the ball since there is a fluid film in between. <\/em><\/strong>&lt;\/span&gt;&#8221;&lt;\/p&gt;&lt;p&gt;&lt;span style=&#8221;font-size: 18pt;&#8221;&gt;<strong>Force\/Kinematics Transfer: &lt;span style=&#8221;color: #e03e2d;&#8221;&gt;IR &#8211; &lt;span style=&#8221;text-decoration: underline;&#8221;&gt;Lubricant &lt;\/span&gt;- Ball &#8211; &lt;span style=&#8221;text-decoration: underline;&#8221;&gt;Lubricant&lt;\/span&gt; &#8211; OR&lt;\/span&gt;<\/strong>&lt;\/span&gt;&lt;\/p&gt;&lt;p&gt;In reality, the Mechanical objects makes the Fluid move. So Mechanical is the Driving Factor.&lt;\/p&gt;&lt;p&gt;&nbsp;&lt;\/p&gt;&lt;p&gt;Most of the FSI (or which u also assuming here), Fluid is the Driving Factor ..(like water flowing in the pipe).&lt;\/p&gt;&lt;p&gt;So is it possible in Ansys FSI to mechanically move the objects &#8211;&gt; causing fluid to move. This means the contact zone are always changing.&nbsp;&lt;\/p&gt;&lt;p&gt;&lt;span style=&#8221;color: #e03e2d; font-size: 18pt;&#8221;&gt;<strong>What should I do so as to replicate this animation in Ansys FSI??<\/strong>&lt;\/span&gt;&lt;\/p&gt;&lt;p&gt;<img decoding=\"async\" src=\"https:\/\/upload.wikimedia.org\/wikipedia\/commons\/3\/30\/BallBearing.gif\" alt=\"File:BallBearing.gif - Wikimedia Commons\" \/>&lt;\/p&gt;&lt;p&gt;&nbsp;&lt;\/p&gt;&lt;p&gt;I guess the Ball is receiving the Forces&#8230;.&lt;\/p&gt;&lt;p&gt;<img decoding=\"async\" src=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2024\/11\/26-11-2024-1732621782-mceclip0.png\" \/>&lt;\/p&gt;&lt;p&gt;<img decoding=\"async\" src=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2024\/11\/26-11-2024-1732621859-mceclip1.png\" \/>&lt;\/p&gt;&lt;p&gt;&nbsp;&lt;\/p&gt;<\/p>\n","protected":false},"template":"","class_list":["post-395329","reply","type-reply","status-publish","hentry"],"aioseo_notices":[],"acf":[],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/replies\/395329","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\/395329\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=395329"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}