{"id":380358,"date":"2024-08-26T02:34:10","date_gmt":"2024-08-26T02:34:10","guid":{"rendered":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/a-small-question-about-defining-udf-names\/"},"modified":"2024-08-26T02:34:10","modified_gmt":"2024-08-26T02:34:10","slug":"a-small-question-about-defining-udf-names","status":"publish","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/a-small-question-about-defining-udf-names\/","title":{"rendered":"A small question about defining UDF names."},"content":{"rendered":"<p>&lt;p&gt;hi, I want to define the equilibrium ratio about interphase species mass transfer in FLUENT&nbsp;(red wireframe in the follow figure), but I don&#8217;t find any example in udf manual, so I want to know the name about this function, such as, &nbsp;DEFINE_MASS_TRANSFER(liq_gas_source,cell,thread,from_index,from_species_index,to_index,to_species_index) when define mass transfer coefficient, DEFINE_EXCHANGE_PROPERTY(custom_drag,cell,mix_thread,s_col,f_col) when define drag coefficient, or perhaps the former would work for my function as well\uff1f<img decoding=\"async\" src=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2024\/08\/26-08-2024-1724639606-1.png\" alt=\"\" \/>&lt;\/p&gt;<\/p>\n","protected":false},"template":"","class_list":["post-380358","topic","type-topic","status-publish","hentry","topic-tag-fluent","topic-tag-udf"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_subscription":["447405","199"],"_bbp_author_ip":["222.23.254.238"],"_btv_view_count":["201"],"_bbp_topic_status":["unanswered"],"_bbp_notification_enabled":["246509","246509","246509","246509","246509","246509","246509","246509","246509","246509","246509","246509"],"_bbp_topic_id":["380358"],"_bbp_forum_id":["27792"],"_bbp_engagement":["199","447405"],"_bbp_voice_count":["2"],"_bbp_reply_count":["3"],"_bbp_last_reply_id":["381401"],"_bbp_last_active_id":["381401"],"_bbp_last_active_time":["2024-09-03 08:41:59"]},"test":"894875960qq-com"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/380358","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\/380358\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=380358"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}