


{"id":217404,"date":"2022-07-01T06:44:57","date_gmt":"2022-07-01T06:44:57","guid":{"rendered":"\/forum\/?post_type=topic&#038;p=217404"},"modified":"2022-07-01T06:44:57","modified_gmt":"2022-07-01T06:44:57","slug":"apdl-plot-acceleration-vs-frequency-after-response-spectrum-analysis","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/apdl-plot-acceleration-vs-frequency-after-response-spectrum-analysis\/","title":{"rendered":"APDL: Plot acceleration vs. frequency after response spectrum analysis"},"content":{"rendered":"<p>Hello,<\/p>\n<p>I&#8217;m looking at a simply-supported circular Euler-Bernoulli beam. I want to find out the response of the beam to a constant acceleration in the range up to 2000 Hz and plot the result in a acceleration vs. frequency plot.<\/p>\n<p>How do I extract the acceleration after doing the analysis? And how would I then plot it?<\/p>\n<p>Here&#8217;s a snippet of my code:<\/p>\n<p>! Build model<br \/>! Modal analysis<br \/>ANTYPE,MODAL<br \/>MODOPT,LANB,10,0,0<br \/>MXPAND,10,,,yes<br \/>SOLVE<br \/>\/QUIT<\/p>\n<p>! Response Spectrum analysis<br \/>\/SOLU<br \/>ANTYPE,SPECTR<br \/>SPOPT,SPRS<br \/>SRSS,,ACEL<br \/>SVTYP,2<br \/>SED,0,1,0<br \/>FREQ,1,1000,2000<br \/>SV,,5*9.81,5*9.81,5*9.81<br \/>MMASS,ON<br \/>SOLVE<br \/>FINISH<\/p>\n<p>\/POST1<br \/>\/INPUT,,mcom<br \/>PRNSOL,DOF<br \/>PRNSOL,U,Y<br \/>FINISH<\/p>\n<p>Thanks for your answers.<\/p>\n","protected":false},"template":"","class_list":["post-217404","topic","type-topic","status-closed","hentry"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_author_ip":["23.218.93.53"],"_bbp_subscription":["182889","490"],"_btv_view_count":["1748"],"_bbp_topic_status":["unanswered"],"_bbp_status":["publish"],"_bbp_topic_id":["217404"],"_bbp_forum_id":["27791"],"_bbp_engagement":["490","182889"],"_bbp_voice_count":["2"],"_bbp_reply_count":["2"],"_bbp_last_reply_id":["217567"],"_bbp_last_active_id":["217567"],"_bbp_last_active_time":["2022-07-02 13:17:27"]},"test":"waldmeisterswein"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/217404","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\/217404\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=217404"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}