{"id":196393,"date":"2021-11-01T10:23:38","date_gmt":"2021-11-01T10:23:38","guid":{"rendered":"\/forum\/forums\/reply\/196393\/"},"modified":"2021-11-01T10:23:38","modified_gmt":"2021-11-01T10:23:38","slug":"196393","status":"publish","type":"reply","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/196393\/","title":{"rendered":"Reply To: Why does ansys repeat natural frequencies?"},"content":{"rendered":"<p>Hi<br \/>\nBoth effective mass and participation factor are parameters that help the user to get an answer for questions like:<br \/>\nHow many modes to extract?<br \/>\nWhich modes are contributing to the problem?<br \/>\n Why do natural frequencies repeat in modal analysis?<br \/>\nI will recommend you to watch the course on Modal analysis available at<a href=\"\/courses\/index.php\/courses\/modal-analysis\/\" target=\"blank\">Modal Analysis | Ansys Innovation Courses<\/a>.<br \/>\nThis course has all the important background information for Modal analysis.<br \/>\nVigneswaran<\/p>\n","protected":false},"template":"","class_list":["post-196393","reply","type-reply","status-publish","hentry"],"aioseo_notices":[],"acf":[],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/replies\/196393","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/replies"}],"about":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/types\/reply"}],"version-history":[{"count":0,"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/replies\/196393\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=196393"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}