{"id":171112,"date":"2023-06-05T07:05:47","date_gmt":"2023-06-05T07:05:47","guid":{"rendered":"\/knowledge\/forums\/topic\/an-approach-for-calculating-flow-angle-for-models-that-are-not-initialized-in-turbopost\/"},"modified":"2023-07-31T12:30:04","modified_gmt":"2023-07-31T12:30:04","slug":"an-approach-for-calculating-flow-angle-for-models-that-are-not-initialized-in-turbopost","status":"publish","type":"topic","link":"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/an-approach-for-calculating-flow-angle-for-models-that-are-not-initialized-in-turbopost\/","title":{"rendered":"An approach for calculating flow angle for models that are not initialized in TurboPost."},"content":{"rendered":"<p>Calculate velocities without initializing TurboPost by specifying the rotational axis through &#8220;Modify Global Rotation Axis&#8221; and then selecting &#8220;Calculate Velocity Components&#8221;.  This will generate the cylindrical velocity compnents in both relative and stationary frame, but not the flow angles.  These can be generated using the expression:  beta=atan2(Velocity Meridional,Velocity Circumferential)  which calculates relative flow angle based on tangential direction.  A user variable, Beta, can then be calculated from the expression beta.<\/p>\n","protected":false},"template":"","class_list":["post-171112","topic","type-topic","status-publish","hentry","topic-tag-18-1","topic-tag-cfd-post","topic-tag-fluid-dynamics","topic-tag-turbo-post-processing"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_wp_page_template":["default"],"_bbp_last_active_time":["2\/6\/2023 20:20"],"_bbp_forum_id":["27796"],"_bbp_author_ip":["209.182.204.162"],"_btv_view_count":["1761"],"siebel_km_number":["2050807"],"product_version":["18.1"],"km_published_date":["2017-07-27T00:00:00.000Z"],"family":["Fluid Dynamics"],"application_name":["CFD-Post"]},"test":"articlesansys-com"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/knowledge\/wp-json\/wp\/v2\/topics\/171112","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/innovationspace.ansys.com\/knowledge\/wp-json\/wp\/v2\/topics"}],"about":[{"href":"https:\/\/innovationspace.ansys.com\/knowledge\/wp-json\/wp\/v2\/types\/topic"}],"version-history":[{"count":0,"href":"https:\/\/innovationspace.ansys.com\/knowledge\/wp-json\/wp\/v2\/topics\/171112\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/knowledge\/wp-json\/wp\/v2\/media?parent=171112"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}