{"id":382455,"date":"2024-09-12T12:29:40","date_gmt":"2024-09-12T12:29:40","guid":{"rendered":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/382455\/"},"modified":"2024-09-12T12:29:40","modified_gmt":"2024-09-12T12:29:40","slug":"382455","status":"publish","type":"reply","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/382455\/","title":{"rendered":"Reply To: Difference between System Coupling Region &amp; Fluid Solid Interface"},"content":{"rendered":"<p>&lt;p&gt;Both are used to identify the regions where the transfer of loads to and from external fluid solvers CFX or Fluent occurs.&lt;\/p&gt;&lt;p&gt;Refer user guide to know more about it.&lt;br&gt;<a href=\"https:\/\/ansyshelp.ansys.com\/account\/secured?returnurl=\/Views\/Secured\/corp\/v231\/en\/wb_sim\/ds_Fluid_Solid_Interface.html\">Fluid Solid Interface (ansys.com)<\/a>&lt;br&gt;<a href=\"https:\/\/ansyshelp.ansys.com\/account\/secured?returnurl=\/Views\/Secured\/corp\/v231\/en\/wb_sim\/ds_system_coupling_region.html\">System Coupling Region (ansys.com)<\/a>&lt;\/p&gt;&lt;p&gt;You can use either of them, but using System Coupling Region is recommended.&nbsp;&lt;\/p&gt;&lt;p&gt;You should select the faces of the geometry that form the interface between the structural model and the fluid model. Refer tutorial to get more clarity on this: <a href=\"https:\/\/ansyshelp.ansys.com\/account\/secured?returnurl=\/Views\/Secured\/corp\/v242\/en\/sysc_tut\/sysc_tut_reedvalve_fluent_setup_structural_createsycregion.html\">Create the System Coupling Region (ansys.com)<\/a>&lt;\/p&gt;<\/p>\n","protected":false},"template":"","class_list":["post-382455","reply","type-reply","status-publish","hentry"],"aioseo_notices":[],"acf":[],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/replies\/382455","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/replies"}],"about":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/types\/reply"}],"version-history":[{"count":0,"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/replies\/382455\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=382455"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}