{"id":403429,"date":"2025-01-03T16:37:38","date_gmt":"2025-01-03T16:37:38","guid":{"rendered":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/403429\/"},"modified":"2025-01-03T16:37:38","modified_gmt":"2025-01-03T16:37:38","slug":"403429","status":"publish","type":"reply","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/403429\/","title":{"rendered":"Reply To: Two-way FSI: excessive thickness change"},"content":{"rendered":"<p>&lt;p&gt;This suggests that despite your efforts so far the motion is still numerically unstable. Try even smaller time steps.&lt;\/p&gt;&lt;p&gt;Also, check if the QN-stabilization option helps. With this option make sure you set enough coupling iterations that the coupled step converges.&lt;br&gt;<img decoding=\"async\" src=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2025\/01\/03-01-2025-1735922111-mceclip0.png\" \/>&lt;\/p&gt;<\/p>\n","protected":false},"template":"","class_list":["post-403429","reply","type-reply","status-publish","hentry"],"aioseo_notices":[],"acf":[],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/replies\/403429","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\/403429\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=403429"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}