{"id":394384,"date":"2024-11-19T18:46:14","date_gmt":"2024-11-19T18:46:14","guid":{"rendered":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/non-intersected-faces-at-interface-periodic\/"},"modified":"2024-11-19T18:46:14","modified_gmt":"2024-11-19T18:46:14","slug":"non-intersected-faces-at-interface-periodic","status":"publish","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/non-intersected-faces-at-interface-periodic\/","title":{"rendered":"Non-intersected faces at interface &#8211; periodic"},"content":{"rendered":"<p>&lt;p&gt;Hello, I have problems with setting up periodic in my combustion chamber.&lt;\/p&gt;&lt;p&gt;Geometry is a 60 degree piece of CC. I created geometry in spaceclaim both periodic surfaces have the same dimensions.&lt;\/p&gt;&lt;p&gt;I tried to set up periodic as rotational and with given offset 60 degress&lt;\/p&gt;&lt;p&gt;<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2024\/11\/19-11-2024-1732041522-periodic.png\" alt=\"\" width=\"883\" height=\"551\" \/>&lt;\/p&gt;&lt;p&gt;Firstly, I try to set periodic in fluent meshing, but I got error :&nbsp;&lt;\/p&gt;&lt;p&gt;<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2024\/11\/19-11-2024-1732041748-mceclip0.png\" width=\"1117\" height=\"574\" \/>&lt;\/p&gt;&lt;p&gt;also tried asymmetric mesh boundaries &#8211; didn&#8217;t work either&lt;\/p&gt;&lt;p&gt;Then, I tried using fluent solver, but I got another error :&lt;\/p&gt;&lt;p&gt;<img decoding=\"async\" src=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2024\/11\/19-11-2024-1732041316-solver_error.png\" alt=\"\" \/>&lt;\/p&gt;&lt;p&gt;&nbsp;&lt;\/p&gt;&lt;p&gt;My conclusion is that for some reason fluent doesn&#8217;t recognieze relation beetwen surfaces. Do you have any ideas what I could set up wrong or which parameters should I check?&lt;\/p&gt;&lt;p&gt;&nbsp;&lt;\/p&gt;&lt;p&gt;Thanks for your answer&lt;\/p&gt;&lt;p&gt;Kind Regards&nbsp;&lt;\/p&gt;&lt;p&gt;Micha\u0142&lt;\/p&gt;<\/p>\n","protected":false},"template":"","class_list":["post-394384","topic","type-topic","status-publish","hentry","topic-tag-error","topic-tag-mesh","topic-tag-meshing","topic-tag-non-conformal"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"Hello, I have problems with setting up periodic in my combustion chamber.Geometry is a 60 degree piece of CC. 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