{"id":38207,"date":"2019-10-08T14:18:16","date_gmt":"2019-10-08T14:18:16","guid":{"rendered":"\/forum\/forums\/topic\/fluent-thermal-boundary-condition-combining-heat-flux-and-convection\/"},"modified":"2019-10-08T14:18:16","modified_gmt":"2019-10-08T14:18:16","slug":"fluent-thermal-boundary-condition-combining-heat-flux-and-convection","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/fluent-thermal-boundary-condition-combining-heat-flux-and-convection\/","title":{"rendered":"Fluent thermal boundary condition &#8211; combining heat flux and convection"},"content":{"rendered":"<p>Hello, I am interested in running a simulation in Fluent in which I only solve the energy equation in a solid body&nbsp;(i.e., no fluid flow) with a given internal volumetric heat generation. On one of the boundaries, I would like to implement a time-dependent boundary as follows: If T1&lt;T&lt;T2, (where T is the temperature at a specific point, and T1 and T2 are known values) then apply a given heat flux q into the solid, and before\/after this condition is satisfied, apply convective cooling with a given convective coefficient h. Can you please help me properly implement this BC?<\/p>\n<p><\/p>\n<p>As an extension of this, I would like to do the following: When T reaches T1, apply a given heat flux q into the solid for a given time duration delta_t, and before\/after this, apply convective cooling with a given convective coefficient h.<\/p>\n<p><\/p>\n<p>I would greatly appreciate your help in implementing these rather convoluted conditions.&nbsp;<\/p>\n<p><\/p>\n<p>&nbsp;<\/p>\n<p><\/p>\n<p>regards,<\/p>\n<p><\/p>\n<p>&nbsp;<\/p>\n<p><\/p>\n<p>A<\/p>\n","protected":false},"template":"","class_list":["post-38207","topic","type-topic","status-closed","hentry"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_old_topic_id":["10385"],"_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":["507"],"_bbp_subscription":["237149"],"_bbp_topic_status":["unanswered"],"_bbp_status":["publish"],"_bbp_topic_id":["38207"],"_bbp_forum_id":["27792"],"_bbp_engagement":["199","158995"],"_bbp_voice_count":["2"],"_bbp_reply_count":["2"],"_bbp_last_reply_id":["95687"],"_bbp_last_active_id":["95687"],"_bbp_last_active_time":["2019-10-08 16:45:15"]},"test":"jaina"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/38207","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\/38207\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=38207"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}