{"id":250532,"date":"2023-02-19T23:27:30","date_gmt":"2023-02-19T23:27:30","guid":{"rendered":"\/forum\/forums\/topic\/how-to-improve-convergence-in-fluent\/"},"modified":"2023-02-19T23:29:34","modified_gmt":"2023-02-19T23:29:34","slug":"how-to-improve-convergence-in-fluent","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/how-to-improve-convergence-in-fluent\/","title":{"rendered":"How to improve convergence in Fluent?"},"content":{"rendered":"<div>Hi all.&nbsp;<\/div>\n<div>&nbsp;<\/div>\n<div>&nbsp;<\/div>\n<div>I am doing a simulation for clot formation and I developed 28 UDS. I have to simulate it for 60 minutes. The biggest time step that I can have is 10^-5s.&nbsp; I am using parallel simulation with 2 cores. (In this situation, the simulation will take a couple of months) When I increase the cores there is no effect on simulation speed. I would appreciate it if any of you could give any advice on how I can increase the speed of my simulation.<\/div>\n<div>I already tried to decrease the under-relaxation factor&nbsp; (0.3, 0.5,08) and decreased element number, but they didn&#8217;t have any effect&nbsp;<\/div>\n","protected":false},"template":"","class_list":["post-250532","topic","type-topic","status-closed","hentry","topic-tag-udsudm","topic-tag-convergence","topic-tag-fluent","topic-tag-udf"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_subscription":["240332","218"],"_bbp_author_ip":["23.44.170.21"]," _bbp_last_reply_id":["0"]," _bbp_likes_count":["0"],"_btv_view_count":["2129"],"_bbp_status":["publish"],"_bbp_topic_status":["unanswered"],"_bbp_topic_id":["250532"],"_bbp_forum_id":["27792"],"_bbp_engagement":["218","240332"],"_bbp_voice_count":["2"],"_bbp_reply_count":["2"],"_bbp_last_reply_id":["251466"],"_bbp_last_active_id":["251466"],"_bbp_last_active_time":["2023-02-24 19:07:12"]},"test":"givi18itu-edu-tr"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/250532","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\/250532\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=250532"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}