{"id":48072,"date":"2020-09-12T21:11:02","date_gmt":"2020-09-12T21:11:02","guid":{"rendered":"\/forum\/forums\/topic\/fluent-excessive-memory-usage\/"},"modified":"2020-09-12T21:11:02","modified_gmt":"2020-09-12T21:11:02","slug":"fluent-excessive-memory-usage","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/fluent-excessive-memory-usage\/","title":{"rendered":"FLUENT EXCESSIVE MEMORY USAGE"},"content":{"rendered":"<div class=\"Item-Body\">\n<div class=\"Message userContent\">\n<p>Hello everyone,<\/p>\n<p>I&#039;ve been recently struggling with Fluent&#039;s high memory usage when running on my workstation which has 16 physical cores -and Xeon (R) CPU @2.30 GHz with 96 GB RAM. I had been using Fluent 2020 R1 without any issue until recently I noticed that the PC became extremely slow. <\/p>\n<p>When I checked the task manager, I noticed that Fluent was using 99% of the memory with not very high CPU usage, which is strange because it should normally use most of the CPU. I used to launch Fluent with 28 solver processes with very similar cases, CPU usage were high and RAM usage was roughly around 70%.<\/p>\n<p>I tried running with less processes, but no luck unfortunately. <\/p>\n<p>Even when I stop the solver from iterating but keep the session open, RAM usage is still about 85%.<\/p>\n<p>Please the screenshots attached.<\/p>\n<p>Anyone else experiencing such issue? or what potentially is going wrong?<\/p>\n<p><\/p>\n<\/p>\n<p>Many thanks,<\/p>\n<p>Oguzhan <\/p>\n<p><\/p>\n<p><\/p>\n<p><\/p>\n<\/p>\n<div class=\"embedExternal embedImage\">\n<div class=\"embedExternal-content\">\n<a class=\"embedImage-link\" href=\"https:\/\/us.v-cdn.net\/6032193\/uploads\/PDSC994XNNZR\/running.jpg\" rel=\"nofollow noopener\" target=\"_blank\"><br \/>\n<img decoding=\"async\" class=\"embedImage-img\" src=\"https:\/\/us.v-cdn.net\/6032193\/uploads\/PDSC994XNNZR\/running.jpg\" alt=\"running.jpg\" \/><br \/>\n<\/a><\/p>\n","protected":false},"template":"","class_list":["post-48072","topic","type-topic","status-closed","hentry","topic-tag-cpu","topic-tag-fluent","topic-tag-memory"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_old_topic_id":["20286"],"_bbp_old_topic_author_name_id":["Anonymous"],"_bbp_old_is_topic_anonymous_id":["false"],"_bbp_old_closed_status_id":["publish"],"_bbp_author_ip":["?\u0001??"],"_bbp_old_sticky_status_id":["normal"],"_bbp_likes_count":["0"],"_btv_view_count":["3726"],"_bbp_subscription":["247748"],"_bbp_topic_status":["unanswered"],"_bbp_status":["publish"],"_bbp_topic_id":["48072"],"_bbp_forum_id":["27792"],"_bbp_engagement":["25","199","173497"],"_bbp_voice_count":["3"],"_bbp_reply_count":["6"],"_bbp_last_reply_id":["127108"],"_bbp_last_active_id":["127108"],"_bbp_last_active_time":["2020-09-14 21:01:47"]},"test":"heisenmech"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/48072","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\/48072\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=48072"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}