{"id":287488,"date":"2023-06-07T09:10:09","date_gmt":"2023-06-07T09:10:09","guid":{"rendered":"\/forum\/forums\/topic\/how-to-deal-with-non-linear-vibration-case-in-the-ansys\/"},"modified":"2023-06-07T09:10:09","modified_gmt":"2023-06-07T09:10:09","slug":"how-to-deal-with-non-linear-vibration-case-in-the-ansys","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/how-to-deal-with-non-linear-vibration-case-in-the-ansys\/","title":{"rendered":"How to deal with non-linear vibration case in the ANSYS"},"content":{"rendered":"<p>Hi,<\/p>\n<p>I create a simple model to illustrate my problem. In the below image, the bottom surface green box is the fixation surface. On the top surface of the box, a beam is fixed on the box by a screw. When I do modal analysis, the red shade area becomes really tricky to deal with. When the beam vibrates toward negative y direction, the box is supporting the beam and it is providing supports. However, when the beam vibrates toward positive y direction, only the screw functions as constraints. How could I deal with this problem in the modal analysis, harmonic analysis and random vibration analysis?<\/p>\n<p>Thanks in advance.&nbsp;<\/p>\n<p><img decoding=\"async\" src=\"\/forum\/wp-content\/uploads\/sites\/2\/2023\/06\/07-06-2023-1686128560-mceclip0.png\"><\/p>\n<p>Cordially,&nbsp;<\/p>\n<p>JZ<\/p>\n","protected":false},"template":"","class_list":["post-287488","topic","type-topic","status-closed","hentry","topic-tag-Modal_Analysis-1","topic-tag-ansyscontact-1","topic-tag-harmonic-analysis","topic-tag-random-vibration"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_subscription":["237079","13640","58821"],"_bbp_author_ip":["23.47.145.29"]," _bbp_last_reply_id":["0"]," _bbp_likes_count":["0"],"_btv_view_count":["1500"],"_bbp_topic_status":["unanswered"],"_bbp_status":["publish"],"_bbp_topic_id":["287488"],"_bbp_forum_id":["27791"],"_bbp_engagement":["13640","58821","237079"],"_bbp_voice_count":["3"],"_bbp_reply_count":["3"],"_bbp_last_reply_id":["287660"],"_bbp_last_active_id":["287660"],"_bbp_last_active_time":["2023-06-08 08:18:02"]},"test":"jayzhangborgwarner-com"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/287488","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\/287488\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=287488"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}