{"id":162326,"date":"2021-09-17T08:52:54","date_gmt":"2021-09-17T08:52:54","guid":{"rendered":"\/forum\/forums\/topic\/transient-analysis-and-response-spectrum-structural\/"},"modified":"2021-09-28T12:13:12","modified_gmt":"2021-09-28T12:13:12","slug":"transient-analysis-and-response-spectrum-structural","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/transient-analysis-and-response-spectrum-structural\/","title":{"rendered":"Transient Analysis and Response Spectrum &#8211; Structural"},"content":{"rendered":"<div class=\"Item-Body\">\n<div class=\"Message userContent\">\n<p>Hallo,<\/p>\n<p>I am doing a vibration analysis and Shock \/ Transient analysis with 1.5 G acceleration for 30 milli-seconds time duration.<\/p>\n<p>First of all I did Modal analysis and then response spectrum analysis (Linear) in Ansys Workbench Mechanical. Then did separate Non Linear Transient analysis. The acceleration boundary condition for each analysis is in the attached picture.<\/p>\n<p>1) I am not sure if I applied acceleration Boundary conditions to Response spectrum analysis is true or not. Is it true ??? i.e. RS Acceleration 33,33 Hz to 15000 mm\/S^2<\/p>\n<p> 2) If it is true then I am getting equivalent stress is very different for both ( for response spectrum it is in range of 6<\/p>\n<div class=\"embedExternal embedImage\">\n<div class=\"embedExternal-content\">\n<a class=\"embedImage-link\" href=\"\/forum\/wp-content\/uploads\/forum-uploads\/614\/4CGE1DLOC549.png\" rel=\"nofollow noopener\" target=\"_blank\"><br \/>\n<img decoding=\"async\" class=\"embedImage-img\" src=\"\/forum\/wp-content\/uploads\/forum-uploads\/614\/4CGE1DLOC549.png\" alt=\"07_RS setting.PNG\" \/><br \/>\n<\/a><\/p>\n","protected":false},"template":"","class_list":["post-162326","topic","type-topic","status-closed","hentry","topic-tag-response-spectrum-1","topic-tag-structural-mechanics","topic-tag-transient-dynamics"],"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":["5713"],"_bbp_likes_count":["0"],"_bbp_subscription":["252540"],"_bbp_topic_status":["unanswered"],"_bbp_status":["publish"],"_bbp_topic_id":["162326"],"_bbp_forum_id":["27791"],"_bbp_engagement":["240","58821","178411"],"_bbp_voice_count":["3"],"_bbp_reply_count":["19"],"_bbp_last_reply_id":["192347"],"_bbp_last_active_id":["192347"],"_bbp_last_active_time":["2021-09-28 12:13:12"]},"test":"vishal295"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/162326","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\/162326\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=162326"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}