{"id":40304,"date":"2020-01-21T21:06:07","date_gmt":"2020-01-21T21:06:07","guid":{"rendered":"\/forum\/forums\/topic\/simple-box-model-inlet-outlet-flow\/"},"modified":"2020-01-21T21:06:07","modified_gmt":"2020-01-21T21:06:07","slug":"simple-box-model-inlet-outlet-flow","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/simple-box-model-inlet-outlet-flow\/","title":{"rendered":"Simple Box Model, Inlet\/Outlet Flow"},"content":{"rendered":"<p>Hello, this is sort of a follow-up to a previous post.<\/p>\n<p><\/p>\n<p>I made a 10x10x10 box with 1-inch thick walls. There is one inlet and one outlet opposite each other.<\/p>\n<p><\/p>\n<p>I am trying to do a simple fluid flow in FLUENT through the inlet to the outlet. My wall temperature at 320K and the air inside initially at 300K.<\/p>\n<p><\/p>\n<p>&nbsp;<\/p>\n<p><\/p>\n<p>No external boundary conditions. Wall-Fluid Boundary Coupled. Standard initialization at 300K, Box patched at 320K.<\/p>\n<p><\/p>\n<p>Inlet set to 0.5 m\/s velocity magnitude.&nbsp;<\/p>\n<p><\/p>\n<p>Using k-epsilon viscous model.<\/p>\n<p><\/p>\n<p>&nbsp;<\/p>\n<p><\/p>\n<p>Everything appears fine in my set-up, but when I run the calculation my energy residual goes through the roof, setting insane temperature readings. Any idea what is causing the non-convergence?<\/p>\n<p><\/p>\n<p>Thank you<\/p>\n<p><\/p>\n<p>&nbsp;<\/p>\n","protected":false},"template":"","class_list":["post-40304","topic","type-topic","status-closed","hentry"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_old_topic_id":["12484"],"_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":["1901"],"_bbp_subscription":["246221"],"_bbp_topic_status":["unanswered"],"_bbp_status":["publish"],"_bbp_topic_id":["40304"],"_bbp_forum_id":["27792"],"_bbp_engagement":["199","22555","171896"],"_bbp_voice_count":["3"],"_bbp_reply_count":["23"],"_bbp_last_reply_id":["103332"],"_bbp_last_active_id":["103332"],"_bbp_last_active_time":["2020-01-23 19:08:59"]},"test":"ilardimichael26"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/40304","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\/40304\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=40304"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}