{"id":404360,"date":"2025-01-10T05:11:44","date_gmt":"2025-01-10T05:11:44","guid":{"rendered":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/404360\/"},"modified":"2025-01-10T05:13:27","modified_gmt":"2025-01-10T05:13:27","slug":"404360","status":"publish","type":"reply","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/404360\/","title":{"rendered":"Reply To: High velocity flow of air in tube"},"content":{"rendered":"<p>&lt;p&gt;&nbsp;&lt;\/p&gt;&lt;p&gt;I ran the simulation in 2020R2 and when I am using the above mentioned pressure expression, I am getting this error-<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2025\/01\/10-01-2025-1736485737-mceclip0.png\" width=\"355\" height=\"108\" \/>&lt;\/p&gt;&lt;p&gt;Also, the near cell value or conservative value is coming around 0.2 bar and at the boundary I have given -50 Pa. There can be such large difference of 20050 Pa between these value? I am using a refrence pressure of 1 atm.&lt;\/p&gt;&lt;p&gt;&nbsp;&lt;\/p&gt;<\/p>\n","protected":false},"template":"","class_list":["post-404360","reply","type-reply","status-publish","hentry"],"aioseo_notices":[],"acf":[],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/replies\/404360","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/replies"}],"about":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/types\/reply"}],"version-history":[{"count":1,"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/replies\/404360\/revisions"}],"predecessor-version":[{"id":404361,"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/replies\/404360\/revisions\/404361"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=404360"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}