


{"id":398432,"date":"2024-12-24T12:41:03","date_gmt":"2024-12-24T12:41:03","guid":{"rendered":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/how-to-use-near-wall-model-approach-instread-of-wall-function\/"},"modified":"2024-12-24T12:41:03","modified_gmt":"2024-12-24T12:41:03","slug":"how-to-use-near-wall-model-approach-instread-of-wall-function","status":"publish","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/how-to-use-near-wall-model-approach-instread-of-wall-function\/","title":{"rendered":"How to use &#8220;near-wall model approach&#8221; instread of wall function?"},"content":{"rendered":"<p>&lt;p&gt;Hello everyone,&lt;\/p&gt;&lt;p&gt;I&#8217;ve just been learning turbulence model in Fluent theory guide.It&#8217;s mentioned that wall function and near-wall model is two way concerning near-wall treatment.&nbsp;&lt;\/p&gt;&lt;p&gt;<img decoding=\"async\" src=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2024\/12\/24-12-2024-1735042944-mceclip0.png\" \/>&lt;\/p&gt;&lt;p&gt;&nbsp;&lt;\/p&gt;&lt;p&gt;As far as I have learnt, <strong>wall function<\/strong>, including standard, scalable, non-equilibrium wall function and enhanced wall treatment, is available for k-epsilon model. And k-omega model uses <strong>Y+ insensitive treatment<\/strong> when it comes near the wall.&nbsp;&lt;\/p&gt;&lt;p&gt;However, how can I apply the <strong>&#8220;near-wall model approach&#8221;<\/strong> to obtain an accurate results to have the wall shear and heat transferboundary layer well resolved? Is it related&nbsp; to the a specific turbulence model? Can the approach be applied in k-epsilon models? I know that a refined mesh is required for the near-wall model approach.&nbsp;&lt;\/p&gt;&lt;p&gt;Thanks.&lt;\/p&gt;<\/p>\n","protected":false},"template":"","class_list":["post-398432","topic","type-topic","status-publish","hentry","topic-tag-fluent","topic-tag-near-wall-treatment-1","topic-tag-theory-guide","topic-tag-turbulence-model"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_forum_id":["27792"],"_bbp_topic_id":["398432"],"_bbp_subscription":["51510","199"],"_bbp_author_ip":["2001:250:3002:3270:7f84:d980:f12:d1e5"],"_bbp_last_reply_id":["403235"],"_bbp_last_active_id":["403235"],"_bbp_last_active_time":["2025-01-02 12:20:35"],"_bbp_reply_count":["1"],"_bbp_reply_count_hidden":["0"],"_bbp_voice_count":["2"],"_bbp_engagement":["51510","199"],"_btv_view_count":["764"],"_bbp_topic_status":["unanswered"]},"test":"bfdef4e41fe840e99014e0c0ef18055b3cd7380f"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/398432","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\/398432\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=398432"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}