{"id":460770,"date":"2026-07-03T15:32:45","date_gmt":"2026-07-03T15:32:45","guid":{"rendered":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/simulation-of-cavitation-with-compressibility-of-a-working-fluid\/"},"modified":"2026-07-03T15:32:45","modified_gmt":"2026-07-03T15:32:45","slug":"simulation-of-cavitation-with-compressibility-of-a-working-fluid","status":"publish","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/simulation-of-cavitation-with-compressibility-of-a-working-fluid\/","title":{"rendered":"Simulation of cavitation with compressibility of a working fluid"},"content":{"rendered":"<p>&lt;p&gt;Kind and smart people, please consult me.&lt;\/p&gt;&lt;p&gt;I am trying to simulate cavitation in a closed volume. Is it possible to simulate cavitation with a compressible working fluid in the Ansys module or other software (as I understand it, compressibility is determined by the modulus of elasticity)?&lt;\/p&gt;&lt;p&gt;In Fluent, cavitation models do not work with the \u0441ompressible-liquid mode for density &#8211; &#8220;Both liquid and vapor phases can be incompressible or compressible. For compressible liquids, the density is described using a user-defined function&#8221; &#8211; you need to write a UDF for density (please share, if you have some), if this has changed in the new versions, please tell me, I did not find the information myself.&lt;\/p&gt;&lt;p&gt;In CFX, compressibility seems to be set via Tait EOS, but I have not found information on whether this will work normally with cavitation.&lt;\/p&gt;&lt;p&gt;I kindly ask knowledgeable people to share the information.&lt;\/p&gt;<\/p>\n","protected":false},"template":"","class_list":["post-460770","topic","type-topic","status-publish","hentry","topic-tag-fluent-cfd-ansys-1","topic-tag-ansys-cfx","topic-tag-fluent","topic-tag-udf"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_forum_id":["27792"],"_bbp_topic_id":["460770"],"_bbp_subscription":["705965"],"_bbp_author_ip":["37.203.37.83"],"_bbp_last_reply_id":["0"],"_bbp_last_active_id":["460770"],"_bbp_last_active_time":["2026-07-03 15:32:45"],"_bbp_reply_count":["0"],"_bbp_reply_count_hidden":["0"],"_bbp_voice_count":["1"],"_bbp_engagement":["705965"],"_btv_view_count":["9"],"_bbp_topic_status":["unanswered"],"_edit_lock":["1783095974:589729"]},"test":"zzitplaygmail-com"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/460770","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\/460770\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=460770"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}