{"id":382165,"date":"2024-09-10T12:39:34","date_gmt":"2024-09-10T12:39:34","guid":{"rendered":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/boundary-conditions-wall-in-ansys-fleunt-for-fsi-simulation\/"},"modified":"2024-09-10T12:46:02","modified_gmt":"2024-09-10T12:46:02","slug":"boundary-conditions-wall-in-ansys-fleunt-for-fsi-simulation","status":"publish","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/boundary-conditions-wall-in-ansys-fleunt-for-fsi-simulation\/","title":{"rendered":"Boundary Conditions &#8211; Wall &#8211; in Ansys Fleunt for FSI Simulation"},"content":{"rendered":"<p>&lt;p&gt;&lt;p&gt;Hello,&lt;\/p&gt;&lt;p&gt;so my inner race has 1000 rpm and outer race iis Fixed&#8230;&lt;\/p&gt;&lt;p&gt;oil entering from left side at 10.6 m\/s and leaving from right side..&lt;\/p&gt;&lt;p&gt;.so what type of wall motion should be selected for this type of FSI in Fluent?&lt;\/p&gt;&lt;p&gt;I guess bottom wall face should be moving with 1000 rpm and all othe rshould be kept as &#8216;Stationary&#8217;. But since my lower +upper wall face = FSI; how can I give diff. wall motion to them in Ansys Fluent?&lt;\/p&gt;&lt;p&gt;&nbsp;&lt;\/p&gt;&lt;p&gt;<img decoding=\"async\" src=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2024\/09\/10-09-2024-1725971720-mceclip0.png\" \/>&lt;\/p&gt;&lt;p&gt;<img decoding=\"async\" src=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2024\/09\/10-09-2024-1725971941-mceclip1.png\" \/>&lt;\/p&gt;&lt;\/p&gt;&lt;p&gt;&nbsp;&lt;\/p&gt;&lt;p&gt;&nbsp;&lt;\/p&gt;&lt;p&gt;Because in&nbsp; the System coupling, a Data transfer is only possible between 1 region from Solid and 1 region from Fluid. <img decoding=\"async\" src=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2024\/09\/10-09-2024-1725972357-mceclip0.png\" \/>&lt;\/p&gt;&lt;p&gt;&nbsp;&lt;\/p&gt;<\/p>\n","protected":false},"template":"","class_list":["post-382165","topic","type-topic","status-publish","hentry","topic-tag-fluent-cfd-ansys-1","topic-tag-ansys-cfx"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"Hello,so my inner race has 1000 rpm and outer race iis Fixed...oil entering from left side at 10.6 m\/s and leaving from right side...so what type of wall motion should be selected for this type of FSI in Fluent?I guess bottom wall face should be moving with 1000 rpm and all othe rshould be kept\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/boundary-conditions-wall-in-ansys-fleunt-for-fsi-simulation\/\" \/>\n\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 4.9.10\" \/>\n\t\t<meta property=\"og:locale\" content=\"en_US\" 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