{"id":390242,"date":"2024-10-17T12:49:53","date_gmt":"2024-10-17T12:49:53","guid":{"rendered":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/apdl-psd-error-while-read-the-rst-file\/"},"modified":"2024-10-17T12:49:53","modified_gmt":"2024-10-17T12:49:53","slug":"apdl-psd-error-while-read-the-rst-file","status":"publish","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/apdl-psd-error-while-read-the-rst-file\/","title":{"rendered":"APDL psd error while read the .rst file"},"content":{"rendered":"

<p>When I did a random vibration analysis, after using the code below to draw the psd graphic in apdl, it works well:<\/p><p>…<\/p><div><div>PSDCOM<\/div><div>PSDRES,DISP,ABS                     !PSDRES, Lab(DISP\/VELO\/ACEL), RelKey(REL\/ABS\/OFF)<\/div><div>PSDRES,VELO,ABS<\/div><div>PSDRES,ACEL,ABS<\/div><div>SOLVE<\/div>FINISH<\/div><div>\/POST26<\/div><div><div>STORE,PSD,5<\/div><div>NSOL,2,NODE0,U,X<\/div><div>RPSD,3,2,,3,1<\/div><div>\/SHOW,JPEG<\/div><div>PLVAR,3<\/div><div>which mean I use \/POST26 in the same file, it works well for a spectrum analysis.<\/div><div> <\/div><div>However, when I do the part of solution in a file named “Pipe_3A_Transient_Analysis”, and use the command “SAVE” to finish the solution part and save the file:<\/div><div>…<\/div><div><div><div>PSDCOM<\/div><div>PSDRES,DISP,ABS                     !PSDRES, Lab(DISP\/VELO\/ACEL), RelKey(REL\/ABS\/OFF)<\/div><div>PSDRES,VELO,ABS<\/div><div>PSDRES,ACEL,ABS<\/div><div>SOLVE<\/div><div>FINISH<\/div><\/div><div><br><div>After that, in a new file named “Pipe_4_Post26_TimeHistory”, I use the command below to reload the results of  Pipe_3A_Transient_Analysis:<\/div><div><div>FINISH<\/div><div>\/CLEAR<\/div><div>\/FILNAME,Pipe_4_Post26_TimeHistory,1<\/div><div>\/TITLE,HAHA<\/div><div>\/REPLOT<\/div><div>\/COM,STRUCTURAL<\/div><div>\/UNITS,SI<\/div><div>*AFUN,RAD<\/div><div>PI = 3.14159265354<\/div><br><div>RESUME,’Pipe_3A_Transient_Analysis’,’db’,’.'<\/div><br><div>\/POST26<\/div><div>FILE,’Pipe_3A_Transient_Analysis’,’rst'<\/div><div>STORE,PSD,5<\/div><div> <\/div><div>the error occurs, in my opinions, it means the .rst file could not be open successfully. <\/div><div><\/div><div>Because when I do the same operation using the GUI, after clicking on the “TimeHist Postproc”, the second GUI occurs, which corresponds to the command “FILE,’Pipe_3A_Transient_Analysis’,’rst’.<\/div><div><\/div><div>However, after that, for a spectrum analysis, there is another GUI:<\/div><div><\/div><div>which has not a corresponding command to make a choice. I think it is a bug, what do you think, and are there any way to solve this question with an APDL command???<\/div><div>(if I click OK with the GUI method at this moment, it can enter the TimeHist Postproc module, and the command like STORE,PSD\/NSOL,…\/ESOL,… works well after that, but I want to just use the APDL command, it seems that only the command \/POST26 and FILE,’Pipe_3A_Transient_Analysis’,’rst’ could not enter the TimeHist Postproc module correctly for the spectrum analysis case. )<\/div><\/div><\/div><br> <\/div><\/div><\/p>\n","protected":false},"template":"","class_list":["post-390242","topic","type-topic","status-publish","hentry","topic-tag-apdl","topic-tag-psd"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_author_ip":["61.221.120.112"],"_btv_view_count":["280"],"_bbp_topic_status":["unanswered"],"_bbp_subscription":["20905"],"_bbp_topic_id":["390242"],"_bbp_forum_id":["27796"],"_bbp_engagement":["20905","471416"],"_bbp_voice_count":["2"],"_bbp_reply_count":["1"],"_bbp_last_reply_id":["390413"],"_bbp_last_active_id":["390413"],"_bbp_last_active_time":["2024-10-18 13:19:55"]},"test":"8b1bb6ca2bad87d85991f93f7dee7064020bc100"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/390242","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\/390242\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=390242"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}