{"id":433759,"date":"2025-06-10T17:20:17","date_gmt":"2025-06-10T17:20:17","guid":{"rendered":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/error-when-start-to-calculate-cfx\/"},"modified":"2025-06-10T17:20:17","modified_gmt":"2025-06-10T17:20:17","slug":"error-when-start-to-calculate-cfx","status":"publish","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/error-when-start-to-calculate-cfx\/","title":{"rendered":"ERROR WHEN START TO CALCULATE CFX"},"content":{"rendered":"<p>&lt;p&gt;Hi everyone, i&acute;m just started to run a simulation of a centrifugal compressor using CFX, and, when I run the simulation the program gives me an error: <img decoding=\"async\" src=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2025\/06\/10-06-2025-1749575043-mceclip1.png\" \/>&lt;\/p&gt;&lt;p&gt;also the code of the solver o Ansys is:&lt;\/p&gt;&lt;p&gt;<img decoding=\"async\" src=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2025\/06\/10-06-2025-1749575090-mceclip2.png\" \/>&lt;\/p&gt;&lt;p&gt;I don&acute;t realize what it&acute;s going on here, fyi, I attach another image of the pre CFX with the data i used to do the simulation:&lt;\/p&gt;&lt;p&gt;&nbsp;&lt;\/p&gt;&lt;p&gt;<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2025\/06\/10-06-2025-1749575346-mceclip3.png\" width=\"1235\" height=\"505\" \/>&lt;\/p&gt;&lt;p&gt;One thing I &acute;ve been thinkin is about one of the boundary condition, about the interfaces, this is supose to be a periodical contourn becase is the symetrical part o the compressor (both sides) It is supose to be like this:&lt;\/p&gt;&lt;p&gt;<img decoding=\"async\" src=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2025\/06\/10-06-2025-1749575617-mceclip4.png\" \/>&lt;\/p&gt;&lt;p&gt;I catch this example of a centrifugal pump, but in boundary conditions terms is practically the same of the compressor.&lt;\/p&gt;&lt;p&gt;Another possibility i&acute;ve been thinking &lt;span style=&#8221;font-size: 14pt;&#8221;&gt;&nbsp;about &lt;\/span&gt;&lt;span style=&#8221;font-size: 14pt;&#8221;&gt;i&lt;\/span&gt;&lt;span style=&#8221;font-size: 14pt;&#8221;&gt;s t&lt;\/span&gt;&lt;span style=&#8221;font-size: 14pt;&#8221;&gt;he memory of the PC, my PC is at 98% of the memory, and I think this could be one of the causes o that error.&lt;\/span&gt;&lt;\/p&gt;&lt;p&gt;&nbsp;&lt;\/p&gt;&lt;p&gt;Waiting for your answers,&lt;\/p&gt;&lt;p&gt;Thank you.&lt;\/p&gt;<\/p>\n","protected":false},"template":"","class_list":["post-433759","topic","type-topic","status-publish","hentry"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_forum_id":["27792"],"_bbp_topic_id":["433759"],"_bbp_subscription":["519030","39507"],"_bbp_author_ip":["150.214.9.249"],"_bbp_last_reply_id":["433812"],"_bbp_last_active_id":["433812"],"_bbp_last_active_time":["2025-06-11 07:29:59"],"_bbp_reply_count":["1"],"_bbp_reply_count_hidden":["0"],"_bbp_voice_count":["2"],"_bbp_engagement":["519030","39507"],"_btv_view_count":["104"],"_bbp_topic_status":["unanswered"]},"test":"enrmarvilalum-us-es"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/433759","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\/433759\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=433759"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}