{"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":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"HelloDuring the simulation the error appears to meFor pressure\u2013velocity coupling, a segregated solver was used with the SIMPLE algorithm. 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The second-order upwind scheme was used to discretize the convective terms in the governing equations.The residuals were set to 10\u22124 for continuity, 10\u22125 for momentum, and 10\u22126 for energy equations.The number of iterations per time step was set","og:url":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/energy-equation-divergence-ansys-divergence\/","og:image":"https:\/\/innovationspace.ansys.com\/forum\/forum\/wp-content\/uploads\/sites\/2\/2023\/11\/15-11-2023-1700086840-mceclip0.png","og:image:secure_url":"https:\/\/innovationspace.ansys.com\/forum\/forum\/wp-content\/uploads\/sites\/2\/2023\/11\/15-11-2023-1700086840-mceclip0.png","article:published_time":"2023-11-15T22:33:30+00:00","article:modified_time":"2023-11-15T22:33:30+00:00","twitter:card":"summary_large_image","twitter:title":"Energy Equation Divergence ansys divergence | Ansys Learning Forum","twitter:description":"HelloDuring the simulation the error appears to meFor pressure\u2013velocity coupling, a segregated solver was used with the SIMPLE algorithm. 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