{"id":292233,"date":"2023-07-10T08:46:10","date_gmt":"2023-07-10T08:46:10","guid":{"rendered":"\/forum\/forums\/topic\/negative-absolute-pressure-in-multiphase-flow\/"},"modified":"2023-07-10T08:46:10","modified_gmt":"2023-07-10T08:46:10","slug":"negative-absolute-pressure-in-multiphase-flow","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/negative-absolute-pressure-in-multiphase-flow\/","title":{"rendered":"negative absolute pressure in multiphase flow"},"content":{"rendered":"<p style=\"color: #252525\">Hello all,<\/p>\n<p style=\"color: #252525\">In a few multiphase simulations, the absolute pressure falls below zero and goes negative near the throat.&nbsp;<\/p>\n<p style=\"color: #252525\">I am using the Zwart-Gerber-Belamri cavitation model. Fluid is nitrogen.&nbsp;<\/p>\n<p style=\"color: #252525\">The reference pressure is 0 Pa.<\/p>\n<p style=\"color: #252525\">I also checked the pressure limiter and set the minimum absolute pressure to 1000Pa. No change was observed even after this.&nbsp;<\/p>\n<p style=\"color: #252525\">&nbsp;<\/p>\n<p style=\"color: #252525\">Thanks in advance!<\/p>\n<p style=\"color: #252525\">Amit<img decoding=\"async\" src=\"\/forum\/wp-content\/uploads\/sites\/2\/2023\/07\/10-07-2023-1688978758-s4.PNG\" alt=\"\"><\/p>\n<p class=\"MsoNormal\">&nbsp;<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"template":"","class_list":["post-292233","topic","type-topic","status-closed","hentry"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_subscription":["27972","199"],"_bbp_author_ip":["23.217.200.71"]," _bbp_last_reply_id":["0"]," _bbp_likes_count":["0"],"_btv_view_count":["1022"],"_bbp_topic_status":["unanswered"],"_bbp_status":["publish"],"_bbp_topic_id":["292233"],"_bbp_forum_id":["27792"],"_bbp_engagement":["199","27972"],"_bbp_voice_count":["2"],"_bbp_reply_count":["10"],"_bbp_last_reply_id":["292462"],"_bbp_last_active_id":["292462"],"_bbp_last_active_time":["2023-07-11 08:20:08"]},"test":"amkumdtu-dk"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/292233","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\/292233\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=292233"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}