{"id":41677,"date":"2020-03-10T19:31:20","date_gmt":"2020-03-10T19:31:20","guid":{"rendered":"\/forum\/forums\/topic\/ansys-fluent-boundary-condition-help\/"},"modified":"2020-03-10T19:31:20","modified_gmt":"2020-03-10T19:31:20","slug":"ansys-fluent-boundary-condition-help","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/ansys-fluent-boundary-condition-help\/","title":{"rendered":"ANSYS FLUENT BOUNDARY CONDITION HELP"},"content":{"rendered":"<p>Hello all,<\/p>\n<p><\/p>\n<p>&nbsp;<\/p>\n<p><\/p>\n<p>we are simulating a multi species setup in our case. we have a room where the Supply volume flow rate is 10360 L\/S. our extract volume flow rate is 9320 L\/S. so we have a difference of 1040 l\/s, which is accumulating in the fluid domain. for now we are using velocity inlet boundary condition at inlets and velocity inlet boundary condition with negative velocity at outlets.&nbsp;<\/p>\n<p><\/p>\n<p>in the current case we have to maintain a positive pressure in the fluid domain. so, we are supplying more inflow compared to outflow.<\/p>\n<p><\/p>\n<p>our simulation is running with not very great convergence of continuity but we are able to achieve some simulation contours.&nbsp;<\/p>\n<p><\/p>\n<p>will anyone please suggest what are the other boundary conditions if the above conditions are not correct.<\/p>\n<p><\/p>\n<p>&nbsp;<\/p>\n<p><\/p>\n<p>Also will any one please suggest is there any possible way to maintain positive pressure with mass imbalance in our current simulation.<\/p>\n<p><\/p>\n<p>&nbsp;<\/p>\n<p><\/p>\n<p>Thankyou,<\/p>\n<p><\/p>\n<p>Reddy.<\/p>\n","protected":false},"template":"","class_list":["post-41677","topic","type-topic","status-closed","hentry"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_old_topic_id":["13857"],"_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"],"_btv_view_count":["2090"],"_bbp_topic_status":["unanswered"],"_bbp_status":["publish"],"_bbp_topic_id":["41677"],"_bbp_forum_id":["27792"],"_bbp_engagement":["25","118","173781"],"_bbp_voice_count":["3"],"_bbp_reply_count":["5"],"_bbp_last_reply_id":["107868"],"_bbp_last_active_id":["107868"],"_bbp_last_active_time":["2020-03-14 03:47:33"]},"test":"rajasekhar"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/41677","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\/41677\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=41677"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}