{"id":438516,"date":"2025-08-04T14:10:58","date_gmt":"2025-08-04T14:10:58","guid":{"rendered":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/speeding-up-ansys-polyflow-simulations\/"},"modified":"2025-08-04T14:10:58","modified_gmt":"2025-08-04T14:10:58","slug":"speeding-up-ansys-polyflow-simulations","status":"publish","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/speeding-up-ansys-polyflow-simulations\/","title":{"rendered":"Speeding up Ansys Polyflow simulations"},"content":{"rendered":"<p>&lt;p&gt;Hello all,&lt;\/p&gt;&lt;p&gt;I have been running a viscoelastic extrusion simulation (evolution of relaxation time) on Ansys Polyflow on my University&#8217;s HPC. It runs properly, but very slowly &#8211; 3 days and 20 hours for 4 steps so far. I am currently running it on 8 cores. As I plan to increase the number of simulations and also the domain size, are there practical steps that I can use to speed these simulations? Also, are there ways to reduce RAM usage?&lt;\/p&gt;&lt;p&gt;Looking forward to your help!&nbsp;&lt;\/p&gt;<\/p>\n","protected":false},"template":"","class_list":["post-438516","topic","type-topic","status-publish","hentry","topic-tag-batch-hpc","topic-tag-hpc","topic-tag-polyflow","topic-tag-polymer-extrusion","topic-tag-viscoelastic-simulation-2"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_forum_id":["27792"],"_bbp_topic_id":["438516"],"_bbp_subscription":["573502","852"],"_bbp_author_ip":["31.205.223.185"],"_bbp_last_reply_id":["443822"],"_bbp_last_active_id":["443822"],"_bbp_last_active_time":["2025-10-14 13:10:57"],"_bbp_reply_count":["4"],"_bbp_reply_count_hidden":["0"],"_bbp_voice_count":["2"],"_bbp_engagement":["573502","852"],"_btv_view_count":["464"],"_bbp_topic_status":["unanswered"]},"test":"v-bhatnagar-1research-gla-ac-uk"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/438516","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\/438516\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=438516"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}