{"id":306606,"date":"2023-09-13T10:13:01","date_gmt":"2023-09-13T10:13:01","guid":{"rendered":"\/forum\/forums\/topic\/under-relaxation-factors-3\/"},"modified":"2023-09-13T10:13:01","modified_gmt":"2023-09-13T10:13:01","slug":"under-relaxation-factors-3","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/under-relaxation-factors-3\/","title":{"rendered":"Under relaxation factors"},"content":{"rendered":"<p>Hi everyone!<\/p>\n<p>in the solution controls, what does the under-ralxation factors represents in the physics.&nbsp;<\/p>\n<p>I am doing reactive flow analysis and when I give the energy equation an under relaxation factor of 0.7~0.8, the solution converges but the temperature values are incorrect. if I give 1, then it tries to approach the correct temperature values but it never converges.&nbsp;&nbsp;<\/p>\n<p>does the under-relaxation factors present an acceptable error tolerance or (as I know), how slowly the convergence criterion for a particular variable should be met?<\/p>\n<p>Thanks in advance.<\/p>\n","protected":false},"template":"","class_list":["post-306606","topic","type-topic","status-closed","hentry","topic-tag-chemical-reaction","topic-tag-fluent","topic-tag-fluid","topic-tag-multifluids-2","topic-tag-under-relaxation-factors"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_subscription":["9798","15180","199"],"_bbp_author_ip":["96.7.218.223"]," _bbp_last_reply_id":["0"]," _bbp_likes_count":["0"],"_btv_view_count":["5576"],"_bbp_topic_status":["unanswered"],"_bbp_status":["publish"],"_bbp_topic_id":["306606"],"_bbp_forum_id":["27792"],"_bbp_engagement":["199","9798","15180"],"_bbp_voice_count":["3"],"_bbp_reply_count":["5"],"_bbp_last_reply_id":["306768"],"_bbp_last_active_id":["306768"],"_bbp_last_active_time":["2023-09-14 07:49:05"]},"test":"ydleekentech-ac-kr"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/306606","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\/306606\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=306606"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}