{"id":311540,"date":"2023-10-15T21:41:56","date_gmt":"2023-10-15T21:41:56","guid":{"rendered":"\/forum\/forums\/topic\/supercritical-co2-with-nist-real-gas-model\/"},"modified":"2023-10-15T21:41:56","modified_gmt":"2023-10-15T21:41:56","slug":"supercritical-co2-with-nist-real-gas-model","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/supercritical-co2-with-nist-real-gas-model\/","title":{"rendered":"SuperCritical CO2 with NIST Real Gas Model"},"content":{"rendered":"<p>Hi,<\/p>\n<p>I&#8217;m new to ANSYS and I&#8217;m trying to use SCO2 as my fluid material. My application is flow through a Converging &#8211; Diverging nozzle. My current mesh reached a converged solution when my fluid material was air. I switched to SCO2 as my fluid material, whereby I use the NIST real gas model instead of an ideal gas model. However I get the following error message<\/p>\n<p><img decoding=\"async\" class=\"cboxPhoto\" src=\"\/forum\/wp-content\/uploads\/sites\/2\/2023\/10\/13-10-2023-1697234841-mceclip0.png\"><\/p>\n<p>&nbsp;<\/p>\n<p>I&#8217;m fairly certain my boundary conditions (mass flow rate inlet, pressure outlet) and initial conditions are correct but I&#8217;m not sure what else could be contributing to my error. Does anybody have experience with this? Thank you so much in advance&nbsp;<\/p>\n","protected":false},"template":"","class_list":["post-311540","topic","type-topic","status-closed","hentry","topic-tag-cfd-icfluent","topic-tag-nist-real-gas-model"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_subscription":["295638","15180","295467"],"_bbp_author_ip":["96.7.218.215"]," _bbp_last_reply_id":["0"]," _bbp_likes_count":["0"],"_btv_view_count":["1184"],"_bbp_topic_status":["unanswered"],"_bbp_status":["publish"],"_bbp_topic_id":["311540"],"_bbp_forum_id":["27792"],"_bbp_engagement":["15180","295467","295638"],"_bbp_voice_count":["3"],"_bbp_reply_count":["2"],"_bbp_last_reply_id":["311632"],"_bbp_last_active_id":["311632"],"_bbp_last_active_time":["2023-10-16 13:24:20"]},"test":"zoelle-wonggatech-edu"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/311540","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\/311540\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=311540"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}