{"id":381712,"date":"2024-09-06T09:06:48","date_gmt":"2024-09-06T09:06:48","guid":{"rendered":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/boundary-conditions-issue-in-mec\/"},"modified":"2024-09-06T09:12:07","modified_gmt":"2024-09-06T09:12:07","slug":"boundary-conditions-issue-in-mec","status":"publish","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/boundary-conditions-issue-in-mec\/","title":{"rendered":"Boundary Conditions Issue in Trans. Struct. for Bearings"},"content":{"rendered":"<p>&lt;p&gt;Hello,&lt;\/p&gt;&lt;p&gt;I have take half part of a single ball in Deep Groove ball bearing to do FSI.&lt;\/p&gt;&lt;p&gt;I have attached the SS below showcasing all the Boundary Condistions Ansys Transient Structural.&lt;\/p&gt;&lt;p&gt;Usually, The inner race rotates alongwith the shaft and so the ball and cage rotates (with lesser RPM) and the outer race is Fixed at the top by the housing. Also, a force is applied on the bottom side of the inner race by the shaft.&nbsp;&lt;\/p&gt;&lt;p&gt;I have applied symmetry conditions.&lt;\/p&gt;&lt;p&gt;But still i am getting an error related to rigid body motion. Can Someone help me out here with the precise B.C.?&lt;\/p&gt;&lt;p&gt;TIA!!&lt;\/p&gt;&lt;p&gt;&nbsp;&lt;\/p&gt;&lt;p&gt;&nbsp;&lt;\/p&gt;&lt;p&gt;&gt;<img decoding=\"async\" src=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2024\/09\/06-09-2024-1725613152-mceclip0.png\" \/>&lt;\/p&gt;&lt;\/p&gt;<\/p>\n","protected":false},"template":"","class_list":["post-381712","topic","type-topic","status-publish","hentry"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_author_ip":["130.83.29.197"],"_btv_view_count":["122"],"_bbp_topic_status":["unanswered"],"_bbp_subscription":["449247","20905"],"_edit_last":["449247"],"_bbp_revision_log":["a:1:{i:381713;a:2:{s:6:\"author\";i:449247;s:6:\"reason\";s:0:\"\";}}"],"_bbp_topic_id":["381712"],"_bbp_forum_id":["27796"],"_bbp_engagement":["20905","449247"],"_bbp_voice_count":["2"],"_bbp_reply_count":["4"],"_bbp_last_reply_id":["382013"],"_bbp_last_active_id":["382013"],"_bbp_last_active_time":["2024-09-09 15:15:10"]},"test":"ashishkumar-guptatu-darmstadt-de"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/381712","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics"}],"about":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/types\/topic"}],"version-history":[{"count":1,"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/381712\/revisions"}],"predecessor-version":[{"id":381713,"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/381712\/revisions\/381713"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=381712"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}