{"id":29487,"date":"2018-06-13T16:41:46","date_gmt":"2018-06-13T16:41:46","guid":{"rendered":"\/forum\/forums\/topic\/force-spectrum-in-harmonic-response-analysis\/"},"modified":"2018-06-13T16:41:46","modified_gmt":"2018-06-13T16:41:46","slug":"force-spectrum-in-harmonic-response-analysis","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/force-spectrum-in-harmonic-response-analysis\/","title":{"rendered":"Force Spectrum in Harmonic Response Analysis"},"content":{"rendered":"<p>Hi everybody,<\/p>\n<p><\/p>\n<p>I&#8217;ve to model an experimental modal analysis, so i create an harmonic response analysis. I need to apply a &#8220;impulse&#8221;. This impulse is not ideal, so i have to model the frequency spectrum of that, but i don&#8217;t know how to do that.<\/p>\n<p><\/p>\n<p>I learn that only <em>force<\/em> can be applied tabular with frequency, but i can&#8217;t select mesh node as geometry selection or named selection. Opposite, <em>nodal force<\/em> can be applied to mesh node named selection but i can&#8217;t write it like a load vs. frequency.<\/p>\n<p><\/p>\n<p>I hope my problem it&#8217;s clear.<\/p>\n<p><\/p>\n<p>Thanks for any help<\/p>\n<p><\/p>\n<p>Regards.<\/p>\n","protected":false},"template":"","class_list":["post-29487","topic","type-topic","status-closed","hentry"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_old_topic_id":["1656"],"_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","0","0","0"],"_btv_view_count":["2597"],"_bbp_subscription":["236280"],"_bbp_topic_status":["unanswered"],"_bbp_status":["publish"],"_bbp_topic_id":["29487"],"_bbp_forum_id":["27791"],"_bbp_engagement":["240","156586","157252"],"_bbp_voice_count":["3"],"_bbp_reply_count":["11"],"_bbp_last_reply_id":["64326"],"_bbp_last_active_id":["64326"],"_bbp_last_active_time":["2018-09-17 23:47:59"]},"test":"italicbike"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/29487","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\/29487\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=29487"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}