{"id":381765,"date":"2024-09-06T15:17:49","date_gmt":"2024-09-06T15:17:49","guid":{"rendered":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/harmonic-response-analysis-for-a-compressor-rotor-blade\/"},"modified":"2024-09-06T15:17:49","modified_gmt":"2024-09-06T15:17:49","slug":"harmonic-response-analysis-for-a-compressor-rotor-blade","status":"publish","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/harmonic-response-analysis-for-a-compressor-rotor-blade\/","title":{"rendered":"harmonic response analysis for a compressor rotor blade"},"content":{"rendered":"<p>hello everyone<br \/>\nim trying to do a harmonic response analysis for a compressor rotor blade in ansys workbench.<br \/>\ni have a few questions:<\/p>\n<p>1- to my understanding you can&#8217;t have rotordynamic elements in harmonic analysis like rotational velocity.<br \/>\nbut i need to draw a campbell diagram of the blade and its not possible without having a rotational velocity applied to the blade.<br \/>\nso any suggestions regarding this?<\/p>\n<p>2- one of my goals is to create an frf diagram (deformation against frequancy) for the blade. for loading, i apply a constant pressure on the blade surface and a fix support to the base of the blade<br \/>\nbut the results have no diffrenece with the results of blades modal analysis (the frequancies are the same). is this normal or am i doing something wrong?<\/p>\n","protected":false},"template":"","class_list":["post-381765","topic","type-topic","status-publish","hentry"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"hello everyone im trying to do a harmonic response analysis for a compressor rotor blade in ansys workbench. i have a few questions: 1- to my understanding you can&#039;t have rotordynamic elements in harmonic analysis like rotational velocity. but i need to draw a campbell diagram of the blade and its not 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