{"id":455657,"date":"2026-04-02T13:52:00","date_gmt":"2026-04-02T13:52:00","guid":{"rendered":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/numerics-settings-for-dpm-pipe-flow\/"},"modified":"2026-04-02T13:52:00","modified_gmt":"2026-04-02T13:52:00","slug":"numerics-settings-for-dpm-pipe-flow","status":"publish","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/numerics-settings-for-dpm-pipe-flow\/","title":{"rendered":"Numerics settings for DPM pipe flow"},"content":{"rendered":"<p>&lt;p&gt;Hi&lt;\/p&gt;&lt;p&gt;I am simulating dense 100 micron particles in water pipe flow and with the DRW ON they are almost uniformly distributed in the pipe. But the literature shows that 100 micron particles settle mostly. Am I using any wrong numerics settings or DRW? My settings are: Node based averaging -ON, Avg DPM Source terms-ON, Dynamic interaction range-ON, Random Eddy lifetime-ON, Time scale constant=0.3 (using RSM). How can i determine what settings are best for my model?? I think the DRW is overpredicting suspension of particles. thanks for any suggestions.&lt;\/p&gt;<\/p>\n","protected":false},"template":"","class_list":["post-455657","topic","type-topic","status-publish","hentry"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_forum_id":["27792"],"_bbp_topic_id":["455657"],"_bbp_subscription":["669668","199"],"_bbp_author_ip":["129.11.145.115"],"_bbp_last_reply_id":["455676"],"_bbp_last_active_id":["455676"],"_bbp_last_active_time":["2026-04-02 16:19:19"],"_bbp_reply_count":["2"],"_bbp_reply_count_hidden":["0"],"_bbp_voice_count":["2"],"_bbp_engagement":["669668","199"],"_btv_view_count":["17"],"_bbp_topic_status":["unanswered"]},"test":"aniruddhabose96gmail-com"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/455657","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\/455657\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=455657"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}