Former starccm+ user here where I only had the reference values input, not operating conditions.<\/p>\n
The problem I am trying to model is a flowpath inside an engine at altitude. Knowing the ground static pressure and temperature I know my ambient conditions (pressure and temperature) at altitude.<\/p>\n
The flowpath im modeling inside the control volume is pressurized and at higher temperature than ambient. It is a one inlet and 2 outlet system. The inlet is specified as a mass flow rate which I know so no issue there. The outlets are modeled as pressure outlets for which I know the absolute static pressure at each one. Using my ambient static pressure I therefore know the gauge static pressure to use as the boundary condition.<\/p>\n
So I am confused about how to set the operating conditions and reference values. Coming from star-ccm+ I just set the reference values to be my ambient pressure and temperature and voila!<\/p>\n
In fluent would I set the operating pressure to be my ambient pressure at altitude and leave the reference pressure as 0? Or would I set the both the operating pressure and the reference pressure as my ambient pressure? Or just set the operating pressure to be what I know the pressure is inside the domain and the reference pressure as the ambient pressure?<\/p>\n","protected":false},"template":"","class_list":["post-361348","topic","type-topic","status-closed","hentry","topic-tag-fluent-cfd-ansys-1","topic-tag-air-flow","topic-tag-ansys-cfd-1","topic-tag-cfd-dem","topic-tag-fluent","topic-tag-operating-pressure","topic-tag-referencevalues-1"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_subscription":["59720","199"],"_bbp_author_ip":["23.52.43.16"]," _bbp_last_reply_id":["0"]," _bbp_likes_count":["0"],"_btv_view_count":["1758"],"_bbp_topic_status":["unanswered"],"_bbp_topic_id":["361348"],"_bbp_forum_id":["27792"],"_bbp_engagement":["199","59720"],"_bbp_voice_count":["2"],"_bbp_reply_count":["1"],"_bbp_last_reply_id":["361360"],"_bbp_last_active_id":["361360"],"_bbp_last_active_time":["2024-04-09 15:24:29"]},"test":"gregory-harringtonkratosdefense-com"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/361348","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\/361348\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=361348"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}