{"id":276958,"date":"2023-03-29T10:10:26","date_gmt":"2023-03-29T10:10:26","guid":{"rendered":"\/forum\/forums\/topic\/error-with-higher-heat-flux\/"},"modified":"2023-03-30T04:41:28","modified_gmt":"2023-03-30T04:41:28","slug":"error-with-higher-heat-flux","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/error-with-higher-heat-flux\/","title":{"rendered":"Error with higher heat flux"},"content":{"rendered":"<p>Hello !<\/p>\n<div>I am trying to simulate a heat pipe in (3D) which has three sections:<\/p>\n<p>Evaporator &#8211;&nbsp;<strong>Constant heat flux<\/strong>&nbsp;(boundary conditions)<br \/>Condensor &#8211; Constant temperature (boundary conditions)<br \/>Adiabatic section &#8211; Zero heat flux (boundary conditions)<\/div>\n<div>I am using VOF multiphase model -&gt; Evaporation &#8211; condensation model -&gt; Lee model.<\/p>\n<p>Transient simulation with gravity and implicit body force formulation.<\/p>\n<p><strong>Time step size = 0.0001 (1E-04).<\/strong><\/div>\n<div>The simulation works well for smaller heat flux values.<\/div>\n<div><strong>When I go for higher heat flux values, I come across an error that global courant number exceeds 250.<\/strong><\/p>\n<\/div>\n<div>&nbsp;Any help will be highly appreciated.&nbsp;<\/div>\n","protected":false},"template":"","class_list":["post-276958","topic","type-topic","status-closed","hentry"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_subscription":["254012","199"],"_bbp_author_ip":["23.223.149.174"]," _bbp_last_reply_id":["0"]," _bbp_likes_count":["0"],"_btv_view_count":["421"],"_edit_lock":["1680151256:179878"],"_bbp_topic_status":["unanswered"],"_bbp_status":["publish"],"_bbp_topic_id":["276958"],"_bbp_forum_id":["27792"],"_bbp_engagement":["199","254012"],"_bbp_voice_count":["2"],"_bbp_reply_count":["10"],"_bbp_last_reply_id":["277934"],"_bbp_last_active_id":["277934"],"_bbp_last_active_time":["2023-04-05 09:14:16"]},"test":"abhnv11295gmail-com"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/276958","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\/276958\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=276958"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}