{"id":395508,"date":"2024-11-27T10:09:15","date_gmt":"2024-11-27T10:09:15","guid":{"rendered":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/periodic-boundary-conditions-in-fluent-meshing-error\/"},"modified":"2024-11-27T10:09:15","modified_gmt":"2024-11-27T10:09:15","slug":"periodic-boundary-conditions-in-fluent-meshing-error","status":"publish","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/periodic-boundary-conditions-in-fluent-meshing-error\/","title":{"rendered":"Periodic Boundary Conditions in Fluent Meshing Error"},"content":{"rendered":"<p>&lt;p&gt;Hi,&lt;\/p&gt;&lt;p&gt;I am doing simple smooth pipe to get Nusselt number.&lt;\/p&gt;&lt;p&gt;Defined periodic BC at fluent meshing side, and added 1e-3 uniform inflation.&lt;\/p&gt;&lt;p&gt;When I switch to fluent, defined periodic bc and it worked. result was higher than dittus-boelter corelation&lt;\/p&gt;&lt;p&gt;Then wantted to decrease inflation first layer to 3.1e-6 using y+ calculator.&lt;\/p&gt;&lt;p&gt;But that time in fluent side periodic bc does not work and got below error.&lt;\/p&gt;&lt;p&gt;What can be the reason?&lt;\/p&gt;&lt;p&gt;<img decoding=\"async\" src=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2024\/11\/27-11-2024-1732701928-mceclip0.png\" \/>&lt;\/p&gt;&lt;p&gt;<img decoding=\"async\" src=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2024\/11\/27-11-2024-1732701943-mceclip1.png\" \/>&lt;\/p&gt;&lt;p&gt;&nbsp;&lt;\/p&gt;&lt;p&gt;Thank you,&lt;\/p&gt;<\/p>\n","protected":false},"template":"","class_list":["post-395508","topic","type-topic","status-publish","hentry","topic-tag-fluentmeshing-1","topic-tag-heat-transfer","topic-tag-inflation","topic-tag-periodic-bc-1","topic-tag-periodic-boundary","topic-tag-surface-nusselt-number-1"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"Hi,I am doing simple smooth pipe to get Nusselt number.Defined periodic BC at fluent meshing side, and added 1e-3 uniform inflation.When I switch to fluent, defined periodic bc and it worked. result was higher than dittus-boelter corelationThen wantted to decrease inflation first layer to 3.1e-6 using y+ calculator.But that time in fluent side periodic bc\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/periodic-boundary-conditions-in-fluent-meshing-error\/\" \/>\n\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 4.9.10\" \/>\n\t\t<meta property=\"og:locale\" content=\"en_US\" \/>\n\t\t<meta property=\"og:site_name\" content=\"Ansys Learning Forum | Ansys Innovation Space\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"Periodic Boundary Conditions in Fluent Meshing Error | Ansys Learning Forum\" \/>\n\t\t<meta property=\"og:description\" content=\"Hi,I am doing simple smooth pipe to get Nusselt number.Defined periodic BC at fluent meshing side, and added 1e-3 uniform inflation.When I switch to fluent, defined periodic bc and it worked. result was higher than dittus-boelter corelationThen wantted to decrease inflation first layer to 3.1e-6 using y+ calculator.But that time in fluent side periodic bc\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/periodic-boundary-conditions-in-fluent-meshing-error\/\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2024-11-27T10:09:15+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2024-11-27T10:09:15+00:00\" \/>\n\t\t<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n\t\t<meta name=\"twitter:title\" content=\"Periodic Boundary Conditions in Fluent Meshing Error | Ansys Learning Forum\" \/>\n\t\t<meta name=\"twitter:description\" content=\"Hi,I am doing simple smooth pipe to get Nusselt number.Defined periodic BC at fluent meshing side, and added 1e-3 uniform inflation.When I switch to fluent, defined periodic bc and it worked. result was higher than dittus-boelter corelationThen wantted to decrease inflation first layer to 3.1e-6 using y+ calculator.But that time in fluent side periodic bc\" \/>\n\t\t<script type=\"application\/ld+json\" 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