


{"id":280574,"date":"2023-04-20T15:39:38","date_gmt":"2023-04-20T15:39:38","guid":{"rendered":"\/forum\/forums\/topic\/faster-data-sampling-for-time-statistics\/"},"modified":"2023-04-20T16:09:03","modified_gmt":"2023-04-20T16:09:03","slug":"faster-data-sampling-for-time-statistics","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/faster-data-sampling-for-time-statistics\/","title":{"rendered":"Faster data sampling for time statistics"},"content":{"rendered":"<p>Hi,<\/p>\n<p>I am running LES until convergence without data sampling, then engage data sampling for time statistics (sampling interval set to 100). However, the simulation becomes extremely slow when I do so.&nbsp;I only need time-averaged data over a portion of my domain, so I&#8217;m thinking about 2 approaches but am not sure how to do either:<\/p>\n<ol>\n<li>Can I create a mesh zone based on coordinates and select this when setting up data sampling for time statistics?<\/li>\n<li>Can I define a function to continuously export e.g. a text file with time-averaged data at each node within a region (instead of including this data in the .dat exports)<\/li>\n<\/ol>\n<p>As a note, I was previously exporting instantaneous ASCII data over several planes and averaging in postprocessing, but this was also extremely slow + data-intensive.<\/p>\n","protected":false},"template":"","class_list":["post-280574","topic","type-topic","status-closed","hentry","topic-tag-ansys-cfd-1","topic-tag-ansys-running-slow-1","topic-tag-export","topic-tag-fluent","topic-tag-les","topic-tag-transient"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_subscription":["42575","199"],"_bbp_author_ip":["96.7.74.191"]," _bbp_last_reply_id":["0"]," _bbp_likes_count":["0"],"_btv_view_count":["1069"],"_edit_lock":["1682006875:170198"],"_bbp_topic_status":["unanswered"],"_bbp_status":["publish"],"_bbp_topic_id":["280574"],"_bbp_forum_id":["27792"],"_bbp_engagement":["199","42575"],"_bbp_voice_count":["2"],"_bbp_reply_count":["5"],"_bbp_last_reply_id":["280885"],"_bbp_last_active_id":["280885"],"_bbp_last_active_time":["2023-04-24 07:53:26"]},"test":"ls0125princeton-edu"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/280574","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\/280574\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=280574"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}