{"id":317881,"date":"2023-11-15T22:33:30","date_gmt":"2023-11-15T22:33:30","guid":{"rendered":"\/forum\/forums\/topic\/energy-equation-divergence-ansys-divergence\/"},"modified":"2023-11-15T22:33:30","modified_gmt":"2023-11-15T22:33:30","slug":"energy-equation-divergence-ansys-divergence","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/energy-equation-divergence-ansys-divergence\/","title":{"rendered":"Energy Equation Divergence ansys divergence"},"content":{"rendered":"<p>Hello<\/p>\n<p>During the simulation the error appears to me<\/p>\n<p><img decoding=\"async\" src=\"\/forum\/wp-content\/uploads\/sites\/2\/2023\/11\/15-11-2023-1700086840-mceclip0.png\"><\/p>\n<p>For pressure&ndash;velocity coupling, a segregated solver was used with the SIMPLE algorithm. The second-order upwind scheme&nbsp;was used to discretize the convective terms in the governing equations.<\/p>\n<p>The residuals were set to 10&minus;4 for continuity, 10&minus;5 for&nbsp;momentum, and 10&minus;6 for energy equations.<\/p>\n<p>The number of iterations per time step was set to 20.&nbsp;<\/p>\n<p>The time step size 0.001<\/p>\n<p>number of time steps 5000<\/p>\n<p>mesh: 500 000 element<\/p>\n<p>This is the geometry (heat sink TPMS) (Fluid: air, Solid: aluminum)<\/p>\n<p><img decoding=\"async\" src=\"\/forum\/wp-content\/uploads\/sites\/2\/2023\/11\/15-11-2023-1700087539-mceclip2.png\"><img decoding=\"async\" src=\"\/forum\/wp-content\/uploads\/sites\/2\/2023\/11\/15-11-2023-1700087571-mceclip3.png\"><\/p>\n","protected":false},"template":"","class_list":["post-317881","topic","type-topic","status-closed","hentry","topic-tag-fluent-ansys-1","topic-tag-fluent-cfd-ansys-1","topic-tag-heatfluxfluentnaturalconvectionexternalflowansys-1"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_subscription":["302271","199"],"_bbp_author_ip":["23.206.193.154"]," _bbp_last_reply_id":["0"]," _bbp_likes_count":["0"],"_btv_view_count":["1218"],"_bbp_likes_count":["1"],"_bbp_topic_status":["unanswered"],"_bbp_status":["publish"],"_bbp_topic_id":["317881"],"_bbp_forum_id":["27792"],"_bbp_engagement":["199","302271"],"_bbp_voice_count":["2"],"_bbp_reply_count":["15"],"_bbp_last_reply_id":["319199"],"_bbp_last_active_id":["319199"],"_bbp_last_active_time":["2023-11-23 13:16:29"]},"test":"ielkhadiri631gmail-com"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/317881","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\/317881\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=317881"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}