{"id":434987,"date":"2025-06-21T18:44:34","date_gmt":"2025-06-21T18:44:34","guid":{"rendered":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/how-to-properly-set-up-a-bushing-joint\/"},"modified":"2025-06-21T18:44:34","modified_gmt":"2025-06-21T18:44:34","slug":"how-to-properly-set-up-a-bushing-joint","status":"publish","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/how-to-properly-set-up-a-bushing-joint\/","title":{"rendered":"How to properly set up a bushing joint\uff1f"},"content":{"rendered":"<p>&lt;p data-start=&#8221;27&#8243; data-end=&#8221;43&#8243;&gt;&lt;strong data-start=&#8221;27&#8243; data-end=&#8221;43&#8243;&gt;Hi everyone,<\/strong>&lt;\/p&gt;&lt;p data-start=&#8221;45&#8243; data-end=&#8221;106&#8243;&gt;Does anyone know how to properly set up a bushing joint?&lt;\/p&gt;&lt;p data-start=&#8221;108&#8243; data-end=&#8221;452&#8243;&gt;Here is my scenario (see figure): I want to place bushing joints between &lt;strong data-start=&#8221;186&#8243; data-end=&#8221;203&#8243;&gt;Arm1 and Arm2<\/strong>, and between &lt;strong data-start=&#8221;217&#8243; data-end=&#8221;234&#8243;&gt;Arm2 and Arm3<\/strong>. &lt;strong data-start=&#8221;236&#8243; data-end=&#8221;268&#8243;&gt;Arm1 is fixed to the ground.<\/strong>&lt;\/p&gt;&lt;p data-start=&#8221;108&#8243; data-end=&#8221;452&#8243;&gt;&lt;strong data-start=&#8221;236&#8243; data-end=&#8221;268&#8243;&gt;<img decoding=\"async\" src=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2025\/06\/21-06-2025-1750531217-mceclip0.png\" \/><\/strong>&lt;\/p&gt;&lt;p data-start=&#8221;108&#8243; data-end=&#8221;452&#8243;&gt;My goal is to apply forces at different angles to the right end of&nbsp;&lt;strong data-start=&#8221;336&#8243; data-end=&#8221;344&#8243;&gt;Arm3<\/strong>, and then measure the resulting deformations in &lt;strong data-start=&#8221;393&#8243; data-end=&#8221;437&#8243;&gt;all six directions (X, Y, Z, Rx, Ry, Rz)<\/strong> at each joint.&lt;\/p&gt;&lt;p data-start=&#8221;454&#8243; data-end=&#8221;560&#8243;&gt;However, the software keeps giving me an &#8220;underconstrained&#8221; or &#8220;Due to constraints, the solver failed to converge on the nonlinear problem. &#8220;error.&lt;br data-start=&#8221;520&#8243; data-end=&#8221;523&#8243;&gt;What should I do to solve this issue?&lt;\/p&gt;&lt;p data-start=&#8221;562&#8243; data-end=&#8221;580&#8221;&gt;Thanks in advance!&lt;\/p&gt;<\/p>\n","protected":false},"template":"","class_list":["post-434987","topic","type-topic","status-publish","hentry","topic-tag-ansys-issues-1","topic-tag-ansys-mechanical","topic-tag-ANSYSstudentversion-1"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_forum_id":["27791"],"_bbp_topic_id":["434987"],"_bbp_subscription":["540531","240"],"_bbp_author_ip":["2003:cf:572f:5540:8d6a:4359:c48:bcaf"],"_bbp_last_reply_id":["434991"],"_bbp_last_active_id":["434991"],"_bbp_last_active_time":["2025-06-21 21:51:48"],"_bbp_reply_count":["1"],"_bbp_reply_count_hidden":["0"],"_bbp_voice_count":["2"],"_bbp_engagement":["540531","240"],"_btv_view_count":["633"],"_bbp_topic_status":["unanswered"]},"test":"siyangli1998gmail-com"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/434987","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":0,"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/434987\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=434987"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}