{"id":162502,"date":"2021-09-23T12:05:08","date_gmt":"2021-09-23T12:05:08","guid":{"rendered":"\/forum\/forums\/topic\/random-vibration-with-pretension\/"},"modified":"2021-11-17T22:07:59","modified_gmt":"2021-11-17T22:07:59","slug":"random-vibration-with-pretension","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/random-vibration-with-pretension\/","title":{"rendered":"Random vibration with pretension"},"content":{"rendered":"<div class=\"Item-Body\">\n<div class=\"Message userContent\">\n<p>Dears<\/p>\n<p>i am trying to simulate a system subjected to random vibration, i can use the random vibration analysis but the issue is that i have several screws which are prestressed and i am interested in their capability of handling the random vibration so i modeled them and applied several non-linear contact (frictional and drictionless). <\/p>\n<p>i know that i can do it in transient structural, but the problem is that i have the load in as frequency based PSD.<\/p>\n","protected":false},"template":"","class_list":["post-162502","topic","type-topic","status-closed","hentry"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_author_ip":[""],"_bbp_old_reply_author_name_id":["Anonymous"],"_bbp_old_is_reply_anonymous_id":["false"],"_btv_view_count":["3656"],"_bbp_likes_count":["0"],"_bbp_subscription":["232773"],"_bbp_topic_status":["unanswered"],"_bbp_status":["publish"],"_bbp_topic_id":["162502"],"_bbp_forum_id":["27791"],"_bbp_engagement":["240","186247","240018"],"_bbp_voice_count":["3"],"_bbp_reply_count":["8"],"_bbp_last_reply_id":["192918"],"_bbp_last_active_id":["192918"],"_bbp_last_active_time":["2021-11-17 22:07:59"]},"test":"mans1993"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/162502","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\/162502\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=162502"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}