{"id":397995,"date":"2024-12-19T11:43:49","date_gmt":"2024-12-19T11:43:49","guid":{"rendered":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/rbd-analysis-query\/"},"modified":"2025-01-03T07:41:36","modified_gmt":"2025-01-03T07:41:36","slug":"rbd-analysis-query","status":"publish","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/rbd-analysis-query\/","title":{"rendered":"Rigid Body Dynamics, analysis query"},"content":{"rendered":"<p>&lt;div id=&#8221;DWT305&#8243; class=&#8221;ReactDwtComposite ReactDwtConversation&#8221; tabindex=&#8221;0&#8243;&gt;&lt;div class=&#8221;Conversation&#8221;&gt;&lt;div class=&#8221;Conversation-messages&#8221;&gt;&lt;div class=&#8221;MessageReceived-align-wrapper&#8221;&gt;&lt;div class=&#8221;MessageReceived&#8221;&gt;&lt;div class=&#8221;MessageReceived-content&#8221;&gt;&lt;div class=&#8221;TextMessage&#8221;&gt;I am trying to simulate two links problem, where in first&lt;\/div&gt;&lt;div class=&#8221;TextMessage&#8221;&gt;case i) :&nbsp; Applied the rotation (rad) to the link &#8216;A&#8217; (which have revolute pair with ground) and got the constraint moment at that joint.&lt;\/div&gt;&lt;div class=&#8221;TextMessage&#8221;&gt;case ii). Now giving constraint moment which I got from case (i) as input for case (ii). But not getting expected result (i.e. rotation which given to the link &#8216;A&#8217; in case (i)).&nbsp;&lt;br&gt;In this scenario, giving &#8220;A&#8221; as input and getting&nbsp; &#8220;B&#8221; as output, now if I am giving &#8220;B&#8221; as input then I should get the &#8220;A&#8221; as output ?&lt;\/div&gt;&lt;\/div&gt;&lt;\/div&gt;&lt;\/div&gt;&lt;\/div&gt;&lt;\/div&gt;&lt;\/div&gt;&lt;div id=&#8221;DWT306&#8243; class=&#8221;DwtComposite LoadingDots&#8221; tabindex=&#8221;0&#8243;&gt;&lt;div id=&#8221;DWT306_dots&#8221;&gt;&lt;\/div&gt;&lt;\/div&gt;&lt;p&gt;&nbsp;&lt;\/p&gt;&lt;p&gt;Input &#8216;A&#8217; for the green link (shown below) which have revolute pair with the ground.&lt;\/p&gt;&lt;p&gt;<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2024\/12\/19-12-2024-1734608396-D1.JPG\" alt=\"\" width=\"497\" height=\"350\" \/>&lt;\/p&gt;&lt;p&gt;Output from above input&lt;\/p&gt;&lt;p&gt;<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2024\/12\/19-12-2024-1734608515-D2.JPG\" alt=\"\" width=\"575\" height=\"137\" \/>&lt;\/p&gt;&lt;p&gt;Output in case (ii)&lt;\/p&gt;&lt;p&gt;<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2024\/12\/19-12-2024-1734608533-D3.JPG\" alt=\"\" width=\"581\" height=\"158\" \/>&lt;\/p&gt;&lt;p&gt;<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2024\/12\/19-12-2024-1734608603-D4.JPG\" alt=\"\" width=\"536\" height=\"168\" \/>&lt;\/p&gt;<\/p>\n","protected":false},"template":"","class_list":["post-397995","topic","type-topic","status-publish","hentry","topic-tag-helprigiddynamics-1"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_forum_id":["27791"],"_bbp_topic_id":["397995"],"_bbp_subscription":["494992","240"],"_bbp_author_ip":["103.49.147.25"],"_bbp_last_reply_id":["398245"],"_bbp_last_active_id":["398245"],"_bbp_last_active_time":["2024-12-23 06:28:53"],"_bbp_reply_count":["3"],"_bbp_reply_count_hidden":["0"],"_bbp_voice_count":["2"],"_bbp_engagement":["494992","240"],"_btv_view_count":["136"],"_bbp_topic_status":["unanswered"],"_bbp_notification_enabled":["494992"],"_edit_last":["494992"],"_bbp_revision_log":["a:1:{i:403347;a:2:{s:6:\"author\";i:494992;s:6:\"reason\";s:37:\"rephrasing the problem in simple term\";}}"]},"test":"laxyazomatogmail-com"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/397995","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\/397995\/revisions"}],"predecessor-version":[{"id":403347,"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/397995\/revisions\/403347"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=397995"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}