{"id":239826,"date":"2022-11-04T19:58:28","date_gmt":"2022-11-04T19:58:28","guid":{"rendered":"\/forum\/forums\/topic\/how-to-find-the-associated-dof-to-a-node-id\/"},"modified":"2022-11-04T19:58:28","modified_gmt":"2022-11-04T19:58:28","slug":"how-to-find-the-associated-dof-to-a-node-id","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/how-to-find-the-associated-dof-to-a-node-id\/","title":{"rendered":"How to find the associated DOF to a node ID"},"content":{"rendered":"<p>Hi Community,<\/p>\n<p>I have a question about the node ID (after meshing) and its associated DOF.<\/p>\n<p>I use the following command to get the Dense Mass and Stiffness Matrix:<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"\/forum\/wp-content\/uploads\/sites\/2\/2022\/11\/04-11-2022-1667591628-Snipaste_2022-11-04_15-53-25.jpg\" alt=\"\" width=\"390\" height=\"163\"><\/p>\n<p>In the output, the matrix is of dimension 6936&#215;6936. I want to condense the stiffness matrix according to the nodes I&#8217;m interested in.&nbsp;<\/p>\n<p>The question is how to find the DOF related to the node ID. For example, if the node ID is 76, which DOFs are related to it? I use a beam element; each node should have 6 DOFs.<\/p>\n<p>&nbsp;<\/p>\n<p>Thanks,<\/p>\n<p>Xiao<\/p>\n","protected":false},"template":"","class_list":["post-239826","topic","type-topic","status-closed","hentry"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_subscription":["173800","18229"],"_bbp_author_ip":["23.48.209.37"]," _bbp_last_reply_id":["0"]," _bbp_likes_count":["0"],"_btv_view_count":["1708"],"_bbp_topic_status":["unanswered"],"_bbp_status":["publish"],"_bbp_topic_id":["239826"],"_bbp_forum_id":["27791"],"_bbp_engagement":["18229","173800"],"_bbp_voice_count":["2"],"_bbp_reply_count":["2"],"_bbp_last_reply_id":["239996"],"_bbp_last_active_id":["239996"],"_bbp_last_active_time":["2022-11-07 16:31:58"]},"test":"xiao"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/239826","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\/239826\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=239826"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}