{"id":362839,"date":"2024-04-18T04:50:48","date_gmt":"2024-04-18T04:50:48","guid":{"rendered":"\/forum\/forums\/topic\/viscosity-compressibility\/"},"modified":"2024-04-18T04:50:48","modified_gmt":"2024-04-18T04:50:48","slug":"viscosity-compressibility","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/viscosity-compressibility\/","title":{"rendered":"Viscosity compressibility"},"content":{"rendered":"<p>If I am doing a rocket nozzle flow using k-epsilon, realizable, should I be using the compresibility effects option? Not using it made the residuals oscillate and resulted in the first image. Turning it on resulted in the 2nd image. In both cases the flow looked bit different than I expected.<\/p>\n<p><img decoding=\"async\" src=\"\/forum\/wp-content\/uploads\/sites\/2\/2024\/04\/18-04-2024-1713415795-Screenshot 2024-04-17 155155.png\" alt=\"\"><\/p>\n<p>&nbsp;<\/p>\n<p><img decoding=\"async\" src=\"\/forum\/wp-content\/uploads\/sites\/2\/2024\/04\/18-04-2024-1713415810-Screenshot 2024-04-17 191205.png\" alt=\"\"><\/p>\n","protected":false},"template":"","class_list":["post-362839","topic","type-topic","status-closed","hentry"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_subscription":["343144","8124"],"_bbp_author_ip":["96.7.218.223"]," _bbp_last_reply_id":["0"]," _bbp_likes_count":["0"],"_btv_view_count":["193"],"_bbp_topic_status":["unanswered"],"_bbp_topic_id":["362839"],"_bbp_forum_id":["27792"],"_bbp_engagement":["8124","343144"],"_bbp_voice_count":["2"],"_bbp_reply_count":["7"],"_bbp_last_reply_id":["363133"],"_bbp_last_active_id":["363133"],"_bbp_last_active_time":["2024-04-19 06:53:28"]},"test":"zwernjaydengmail-com"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/362839","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\/362839\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=362839"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}