{"id":32337,"date":"2018-12-27T09:24:06","date_gmt":"2018-12-27T09:24:06","guid":{"rendered":"\/forum\/forums\/topic\/2d-inviscid-flow-problem\/"},"modified":"2018-12-27T09:24:06","modified_gmt":"2018-12-27T09:24:06","slug":"2d-inviscid-flow-problem","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/2d-inviscid-flow-problem\/","title":{"rendered":"2D Inviscid Flow Problem"},"content":{"rendered":"<p>Hi,<\/p>\n<p><\/p>\n<p>I&#8217;m trying to solve the following problem in fluent:<\/p>\n<p><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/us.v-cdn.net\/6032193\/uploads\/attachments\/1bc151fb-a8a7-4a59-ac36-a815000918b0\/17a4d911-885a-43f1-aec7-a9c3008f9621_prob-descrp.jpg?width=690&amp;upscale=false\" alt=\"\"><\/p>\n<p><\/p>\n<p>The flow is assumed to be 2D, inviscid&nbsp;and incompressible. The flow domain has an inlet at the bottom&nbsp;and an outlet on the right face.<\/p>\n<p><\/p>\n<p>Boundary conditions are given in terms of Psi (stream function) where:<\/p>\n<p><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/us.v-cdn.net\/6032193\/uploads\/attachments\/1bc151fb-a8a7-4a59-ac36-a815000918b0\/6d7cae1c-9f2e-43e9-a996-a9c30092e34a_psi.jpg?width=690&amp;upscale=false\" alt=\"\"><\/p>\n<p><\/p>\n<p>The governing equation is:<\/p>\n<p><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/us.v-cdn.net\/6032193\/uploads\/attachments\/1bc151fb-a8a7-4a59-ac36-a815000918b0\/18b1ed42-6435-4b10-8229-a9c3009339a4_gov.jpg?width=690&amp;upscale=false\" alt=\"\"><\/p>\n<p><\/p>\n<p>It is required to plot the streamlines (Psi = constant lines) of the flow.<\/p>\n<p><\/p>\n<p>The first Idea that came into my mind was to assume Psi=Temperature and the governing equation will become the Laplace equation. Therefore the Psi-constant B.Cs will turn into Temperature constant and the inlet and outlet velocities can be simulated as the heat flux in the vertical and horizontal direction.<\/p>\n<p><\/p>\n<p>I wanted to know if it&#8217;s possible to simulate the actual flow in Fluent regardless of the trick above. I don&#8217;t have any ideas how to set Psi=constant B.Cs in Fluent.<\/p>\n<p><\/p>\n<p>Any help is appreciated.<\/p>\n<p><\/p>\n<p>Kind Regards,<\/p>\n<p><\/p>\n<p>Mohammad<\/p>\n","protected":false},"template":"","class_list":["post-32337","topic","type-topic","status-closed","hentry"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_old_topic_id":["4509"],"_bbp_old_topic_author_name_id":["Anonymous"],"_bbp_old_is_topic_anonymous_id":["false"],"_bbp_old_closed_status_id":["publish"],"_bbp_author_ip":[null],"_bbp_old_sticky_status_id":["normal"],"_bbp_likes_count":["0","0","0","0","0"],"_btv_view_count":["1877"],"_bbp_topic_status":["unanswered"],"_bbp_status":["publish"],"_bbp_topic_id":["32337"],"_bbp_forum_id":["27792"],"_bbp_engagement":["154799","158563"],"_bbp_voice_count":["2"],"_bbp_reply_count":["5"],"_bbp_last_reply_id":["78411"],"_bbp_last_active_id":["78411"],"_bbp_last_active_time":["2019-02-24 15:28:12"]},"test":"sma4t"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/32337","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\/32337\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=32337"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}