{"id":361512,"date":"2024-04-10T11:42:19","date_gmt":"2024-04-10T11:42:19","guid":{"rendered":"\/forum\/forums\/topic\/naca-0012-2d-simulation\/"},"modified":"2024-04-10T11:42:19","modified_gmt":"2024-04-10T11:42:19","slug":"naca-0012-2d-simulation","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/naca-0012-2d-simulation\/","title":{"rendered":"NACA 0012 &#8211; 2D simulation"},"content":{"rendered":"<p>Hello everyone! I am perfroming a simulation for the NACA0012 Airfoil for my thesis, and I have a very particular question, if someone wants to help me is much appreciated!<\/p>\n<p>Basically I am running the simulation for 3 degrees angle, and while my lift coefficient is just fine (accoridng to Sheldahl et&nbsp;<br \/>al.), my drag coefficient is completely wrong (negative value), while Sheldahl et al. gives a positive one. Also I want to mention that everything is working fine in o degrees angle.<\/p>\n<p>Can someone help me please?<\/p>\n","protected":false},"template":"","class_list":["post-361512","topic","type-topic","status-closed","hentry"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_subscription":["343380","199"],"_bbp_author_ip":["23.52.43.10"]," _bbp_last_reply_id":["0"]," _bbp_likes_count":["0"],"_btv_view_count":["649"],"_bbp_topic_status":["unanswered"],"_bbp_topic_id":["361512"],"_bbp_forum_id":["27792"],"_bbp_engagement":["199","343380"],"_bbp_voice_count":["2"],"_bbp_reply_count":["15"],"_bbp_last_reply_id":["361950"],"_bbp_last_active_id":["361950"],"_bbp_last_active_time":["2024-04-12 12:25:05"]},"test":"up1072456ac-upatras-gr"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/361512","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\/361512\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=361512"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}