{"id":250661,"date":"2023-02-20T18:33:54","date_gmt":"2023-02-20T18:33:54","guid":{"rendered":"\/forum\/forums\/topic\/a-b-c-that-can-specify-both-the-normal-velocity-and-species-mass-fraction\/"},"modified":"2023-02-20T18:33:54","modified_gmt":"2023-02-20T18:33:54","slug":"a-b-c-that-can-specify-both-the-normal-velocity-and-species-mass-fraction","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/a-b-c-that-can-specify-both-the-normal-velocity-and-species-mass-fraction\/","title":{"rendered":"A B.C. that can specify both the normal velocity and species mass fraction"},"content":{"rendered":"<p dir=\"ltr\"><span class=\"x_ContentPasted1\">Hi all,<\/span><\/p>\n<p dir=\"ltr\"><span class=\"x_ContentPasted1\">In Ansys-Fluent, is there a boundary condition that can specify both the normal velocity and species mass fraction?<\/span><\/p>\n<p dir=\"ltr\"><span class=\"x_ContentPasted1\">I tried the velocity-inlet boundary condition, and hooked my udf for the species. However, it&#8217;s not allowing me to set it properly because the flow is opposite of the inlet (backflow). If I do it on a wall boundary condition, then I can&#8217;t set a leak velocity.&nbsp;<\/span><\/p>\n<p class=\"x_elementToProof\" dir=\"ltr\"><span class=\"x_ContentPasted1\">This happens if I want to set a temperature profile too.<\/span><\/p>\n<p class=\"x_elementToProof\" dir=\"ltr\">Thank you!<\/p>\n","protected":false},"template":"","class_list":["post-250661","topic","type-topic","status-closed","hentry"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_subscription":["53347","8124"],"_bbp_author_ip":["23.223.149.174"]," _bbp_last_reply_id":["0"]," _bbp_likes_count":["0"],"_btv_view_count":["298"],"_bbp_topic_status":["unanswered"],"_bbp_status":["publish"],"_bbp_topic_id":["250661"],"_bbp_forum_id":["27792"],"_bbp_engagement":["8124","53347"],"_bbp_voice_count":["2"],"_bbp_reply_count":["8"],"_bbp_last_reply_id":["252178"],"_bbp_last_active_id":["252178"],"_bbp_last_active_time":["2023-03-01 17:18:12"]},"test":"aliborhan"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/250661","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\/250661\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=250661"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}