{"id":166077,"date":"2023-03-17T13:10:58","date_gmt":"2023-03-17T13:10:58","guid":{"rendered":"\/knowledge\/forums\/topic\/how-can-i-converge-an-unstable-fsi-or-6dof-case-in-fluent\/"},"modified":"2023-07-31T12:27:16","modified_gmt":"2023-07-31T12:27:16","slug":"how-can-i-converge-an-unstable-fsi-or-6dof-case-in-fluent","status":"publish","type":"topic","link":"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/how-can-i-converge-an-unstable-fsi-or-6dof-case-in-fluent\/","title":{"rendered":"How can I converge an unstable FSI or 6DOF case in Fluent"},"content":{"rendered":"<p>The attached presentation describes how to use Fluent&#8217;s Solution Stabilization for an FSI case or a 6DOF case. Two simple tutorials are included: One for FSI and one for 6DOF. Animations reffered to in the pdf are also included  Keywords Tightly coupled FSI &#038; 6DOF Pressure oscillations Force convergence Negative cell volume Dynamic Mesh MDM Smoothing remeshing Implicit Update System Coupling Coupling step Coupling iteration <\/p>\n<p>Attachments:<br \/>\n1. <a href=https:\/\/ansys13.ansys.com\/KnowledgeArticles\/Phase-1\/2039459\/2039459.zip>2039459.zip<\/a><br \/>\n2. <a href= https:\/\/ansys13.ansys.com\/KnowledgeArticles\/Phase-1\/2039459\/Solution_stabilization_For_FSI_%26_6DOF.pdf>Solution_stabilization_For_FSI_%26_6DOF.pdf<\/a><\/p>\n","protected":false},"template":"","class_list":["post-166077","topic","type-topic","status-publish","hentry","topic-tag-4425","topic-tag-convergence-problems","topic-tag-fluent","topic-tag-fluid-dynamics","topic-tag-fsi"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_wp_page_template":["default"],"_bbp_last_active_time":["3-15-2023  20:20:13"],"_bbp_forum_id":["27796"],"_bbp_author_ip":["23.56.168.180"],"_btv_view_count":["1466"],"siebel_km_number":["2039459"],"product_version":["15"],"km_published_date":["2015-06-12T17:08:40.000Z"],"family":["Fluid Dynamics"],"application_name":["FLUENT"]},"test":"solution"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/knowledge\/wp-json\/wp\/v2\/topics\/166077","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/innovationspace.ansys.com\/knowledge\/wp-json\/wp\/v2\/topics"}],"about":[{"href":"https:\/\/innovationspace.ansys.com\/knowledge\/wp-json\/wp\/v2\/types\/topic"}],"version-history":[{"count":0,"href":"https:\/\/innovationspace.ansys.com\/knowledge\/wp-json\/wp\/v2\/topics\/166077\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/knowledge\/wp-json\/wp\/v2\/media?parent=166077"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}