{"id":373128,"date":"2024-07-22T21:26:29","date_gmt":"2024-07-22T21:26:29","guid":{"rendered":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/under-relaxation-factor-rms-convergence-target\/"},"modified":"2024-07-22T21:26:29","modified_gmt":"2024-07-22T21:26:29","slug":"under-relaxation-factor-rms-convergence-target","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/under-relaxation-factor-rms-convergence-target\/","title":{"rendered":"Under-Relaxation Factor, RMS Convergence Target"},"content":{"rendered":"<ol>\n<li>I&#8217;m working with the <span><strong>Under-Relaxation Factor<\/strong><\/span> (URF) in my 2way FSI SC simulations, where the default value is 1. If I choose a URF of 0.02, is it reliable? I don&#8217;t fully understand what it means, so could someone explain it to me in simple terms?<\/li>\n<li>Also, how about the <span><strong>RMS Convergence Target<\/strong><\/span>? (1E-08) Could you explain that as well?<\/li>\n<\/ol>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2024\/07\/22-07-2024-1721683579-mceclip0.png\" width=\"281\" height=\"181\"><\/p>\n<p>My simulations often crash, and I need help maintaining convergence in this highly deformed lumen. Any advice would be greatly appreciated.<\/p>\n","protected":false},"template":"","class_list":["post-373128","topic","type-topic","status-closed","hentry","topic-tag-convergence","topic-tag-rms","topic-tag-two-way-fsi-1","topic-tag-under-relaxation-factor-1"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_subscription":["431728","13659"],"_bbp_author_ip":["130.215.190.183"]," _bbp_last_reply_id":["0"],"_btv_view_count":["230"]," _bbp_likes_count":["0"],"_bbp_topic_status":["unanswered"],"_bbp_topic_id":["373128"],"_bbp_forum_id":["27792"],"_bbp_engagement":["13659","431728"],"_bbp_voice_count":["2"],"_bbp_reply_count":["2"],"_bbp_last_reply_id":["373323"],"_bbp_last_active_id":["373323"],"_bbp_last_active_time":["2024-07-23 20:14:27"]},"test":"751ef47ef94a7db2035eda1dd10abecb4b252174"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/373128","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics"}],"about":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/types\/topic"}],"version-history":[{"count":0,"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/373128\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=373128"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}