{"id":34572,"date":"2019-04-09T10:08:14","date_gmt":"2019-04-09T10:08:14","guid":{"rendered":"\/forum\/forums\/topic\/modal-analysis-3\/"},"modified":"2019-04-09T10:08:14","modified_gmt":"2019-04-09T10:08:14","slug":"modal-analysis-3","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/modal-analysis-3\/","title":{"rendered":"Modal Analysis"},"content":{"rendered":"<p>I have done a modal analysis of Jeffcott rotor in ANSYS Workbench for the extraction of natural frequencies but the data (Natural frequencies) obtained from the simulation and theoretical&nbsp;calculation are quite different. I am pretty sure that the theoretical&nbsp;values are quite accurate and being a newbie&nbsp;to the ANSYS software I need help in resolving this problem.<\/p>\n","protected":false},"template":"","class_list":["post-34572","topic","type-topic","status-closed","hentry","topic-tag-modal-1","topic-tag-ansys","topic-tag-ansys-mechanical","topic-tag-ansys-workbench","topic-tag-modalanalysis-1","topic-tag-structure"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_old_topic_id":["6744"],"_bbp_old_topic_author_name_id":["Anonymous"],"_bbp_old_is_topic_anonymous_id":["false"],"_bbp_old_closed_status_id":["publish"],"_bbp_author_ip":[null],"_bbp_old_sticky_status_id":["normal"],"_bbp_likes_count":["0","0"],"_btv_view_count":["1898"],"_bbp_subscription":["239735"],"_bbp_topic_status":["unanswered"],"_bbp_status":["publish"],"_bbp_topic_id":["34572"],"_bbp_forum_id":["27791"],"_bbp_engagement":["240","164348","171645"],"_bbp_voice_count":["3"],"_bbp_reply_count":["12"],"_bbp_last_reply_id":["102471"],"_bbp_last_active_id":["102471"],"_bbp_last_active_time":["2020-01-14 03:18:59"]},"test":"mechman"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/34572","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\/34572\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=34572"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}