{"id":169639,"date":"2022-05-20T12:26:19","date_gmt":"2022-05-20T12:26:19","guid":{"rendered":"\/forum\/forums\/topic\/stiffness-matrix-interpretation-of-the-bearing-element-combi214\/"},"modified":"2022-05-23T13:14:31","modified_gmt":"2022-05-23T13:14:31","slug":"stiffness-matrix-interpretation-of-the-bearing-element-combi214","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/stiffness-matrix-interpretation-of-the-bearing-element-combi214\/","title":{"rendered":"Stiffness matrix interpretation of the bearing element COMBI214"},"content":{"rendered":"<p>I have some doubt about the element COMBI214, i have the radial, axial and tilting stiffness of the bearings which are assembled on my rotor (provided by SKF), i don&#8217;t know how to convert the radial value of stiffness into the K11,K12,K21 and K22 values that the matrix representation of the  COMBI214 element needs.<br \/>\n<img loading=\"lazy\" decoding=\"async\" src=\"\/forum\/wp-content\/uploads\/forum-uploads\/770\/250MTQZN79BD.png\" width=\"377\" height=\"371\" \/><br \/>\nI also thinked to introduce longitudinal springs to simulate the axial stiffness of the bearings but i still have doubt about how to consider the tilting stiffness of the bearing.<br \/>\nThank for the attention<\/p>\n","protected":false},"template":"","class_list":["post-169639","topic","type-topic","status-closed","hentry"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_btv_view_count":["3808"],"_bbp_likes_count":["0"],"_bbp_subscription":["256269","268142","19822"],"_bbp_topic_status":["unanswered"],"_bbp_status":["publish"],"_bbp_topic_id":["169639"],"_bbp_forum_id":["27814"],"_bbp_engagement":["88","19822","256269","268142"],"_bbp_voice_count":["4"],"_bbp_reply_count":["4"],"_bbp_last_reply_id":["279059"],"_bbp_last_active_id":["279059"],"_bbp_last_active_time":["2023-04-12 14:06:55"]},"test":"carlomariscottihotmail-it"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/169639","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\/169639\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=169639"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}