{"id":370703,"date":"2024-07-05T12:47:16","date_gmt":"2024-07-05T12:47:16","guid":{"rendered":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/udf-describing-the-relationship-between-pressure-loss-and-mass-flow-rate\/"},"modified":"2024-07-05T12:47:16","modified_gmt":"2024-07-05T12:47:16","slug":"udf-describing-the-relationship-between-pressure-loss-and-mass-flow-rate","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/udf-describing-the-relationship-between-pressure-loss-and-mass-flow-rate\/","title":{"rendered":"UDF describing the relationship between pressure loss and mass flow rate"},"content":{"rendered":"<div>Dear experts!<img decoding=\"async\" src=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2024\/07\/05-07-2024-1720183609-udf.png\" alt=\"\"><\/div>\n<div>&nbsp; &nbsp; &nbsp;I have a region of high pressure loss in my piping system.I want to insert a region similar to porous media in the piping system grid.The pressure loss in this region is equal to the square of the mass flow rate.How do I write UDF in this region.The inlet of the piping is the mass flow inlet and the outlet is the pressure outlet.Thank you in advance!<\/div>\n<div>&nbsp;<\/div>\n","protected":false},"template":"","class_list":["post-370703","topic","type-topic","status-closed","hentry"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_btv_view_count":["105"],"_bbp_topic_status":["unanswered"],"_bbp_subscription":["199","432772"],"_bbp_topic_id":["370703"],"_bbp_forum_id":["27792"],"_bbp_engagement":["199","432772"],"_bbp_voice_count":["2"],"_bbp_reply_count":["3"],"_bbp_last_reply_id":["371113"],"_bbp_last_active_id":["371113"],"_bbp_last_active_time":["2024-07-09 12:55:29"]},"test":"617283443qq-com"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/370703","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\/370703\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=370703"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}