{"id":383760,"date":"2024-09-23T14:19:16","date_gmt":"2024-09-23T14:19:16","guid":{"rendered":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/interface-problem-in-vawt-simulation\/"},"modified":"2024-09-23T14:19:16","modified_gmt":"2024-09-23T14:19:16","slug":"interface-problem-in-vawt-simulation","status":"publish","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/interface-problem-in-vawt-simulation\/","title":{"rendered":"Interface Problem in VAWT simulation"},"content":{"rendered":"<p>&lt;p&gt;Hello,&lt;\/p&gt;&lt;p&gt;I am currently simulating a VAWT using ANSYS Fluent. However, I am getting wrong results compared to the experimental ones.&nbsp;&lt;\/p&gt;&lt;p&gt;While checking the boundary conditions, I realized that when I created the interface between the &#8220;stationary&#8221; and &#8220;rotating&#8221; domains, 2 non-overlapping surfaces are created in the boundary conditions and are set as &#8220;walls&#8221;. I don&#8217;t know if this is what is causing the problem, does anyone have any idea?&lt;\/p&gt;&lt;p&gt;Attached is a screenshot showing the surfaces created as walls in the boundary conditions. (I can&#8217;t change them into interface).&lt;\/p&gt;&lt;p&gt;Thank you so much for your help!&lt;\/p&gt;&lt;p&gt;<img decoding=\"async\" src=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2024\/09\/23-09-2024-1727101087-Screenshot 2024-09-23 171745.png\" alt=\"\" \/>&lt;\/p&gt;<\/p>\n","protected":false},"template":"","class_list":["post-383760","topic","type-topic","status-publish","hentry"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"Hello,I am currently simulating a VAWT using ANSYS Fluent. However, I am getting wrong results compared to the experimental ones. 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