{"id":388739,"date":"2024-10-09T10:12:12","date_gmt":"2024-10-09T10:12:12","guid":{"rendered":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/different-results-when-using-overset-dof-and-sliding-mesh\/"},"modified":"2024-10-09T10:12:12","modified_gmt":"2024-10-09T10:12:12","slug":"different-results-when-using-overset-dof-and-sliding-mesh","status":"publish","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/different-results-when-using-overset-dof-and-sliding-mesh\/","title":{"rendered":"Different results when using overset dof and sliding mesh."},"content":{"rendered":"<p>&lt;p&gt;Hi community,&lt;\/p&gt;&lt;p&gt;I&#8217;m trying to simulate the rotation of a blade triggered by an inflow velocity. My question is: How it is possible that i measure 30% less the expected thrust (5.5e-4N) when i&#8217;m using overse mesh with one degree of freedom, reaching also higher rotational velocity (140 rad\/s) with respect to the sliding mesh where i set the inlet velocity as in the overset and I assign a rotation rate&nbsp; (124 rad\/s) to the blade in the cell zone condition panel. When i compute the force in the sliding mesh, it match with what i&#8217;m excepting but in the overset framework a huge error occur.&lt;\/p&gt;&lt;p&gt;I&#8217;ve tried different boundary conditions, always the same error&lt;\/p&gt;&lt;p&gt;Thanks a lot&lt;\/p&gt;<\/p>\n","protected":false},"template":"","class_list":["post-388739","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=\"Hi community,I&#039;m trying to simulate the rotation of a blade triggered by an inflow velocity. My question is: How it is possible that i measure 30% less the expected thrust (5.5e-4N) when i&#039;m using overse mesh with one degree of freedom, reaching also higher rotational velocity (140 rad\/s) with respect to the sliding mesh where\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/different-results-when-using-overset-dof-and-sliding-mesh\/\" \/>\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=\"Different results when using overset dof and sliding mesh. | Ansys Learning Forum\" \/>\n\t\t<meta property=\"og:description\" content=\"Hi community,I&#039;m trying to simulate the rotation of a blade triggered by an inflow velocity. My question is: How it is possible that i measure 30% less the expected thrust (5.5e-4N) when i&#039;m using overse mesh with one degree of freedom, reaching also higher rotational velocity (140 rad\/s) with respect to the sliding mesh where\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/different-results-when-using-overset-dof-and-sliding-mesh\/\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2024-10-09T10:12:12+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2024-10-09T10:12:12+00:00\" \/>\n\t\t<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n\t\t<meta name=\"twitter:title\" content=\"Different results when using overset dof and sliding mesh. | Ansys Learning Forum\" \/>\n\t\t<meta name=\"twitter:description\" content=\"Hi community,I&#039;m trying to simulate the rotation of a blade triggered by an inflow velocity. 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