{"id":45477,"date":"2020-06-25T12:01:53","date_gmt":"2020-06-25T12:01:53","guid":{"rendered":"\/forum\/forums\/topic\/negative-pressure-in-cfd\/"},"modified":"2020-06-25T12:01:53","modified_gmt":"2020-06-25T12:01:53","slug":"negative-pressure-in-cfd","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/negative-pressure-in-cfd\/","title":{"rendered":"Negative Pressure in CFD"},"content":{"rendered":"<p>Hi,&nbsp;<\/p>\n<p><\/p>\n<p>I have run a CFD simulation using FLUENT on an airfoil for pressure distribution as shown in the picture below.&nbsp;<\/p>\n<p><\/p>\n<p>On the other hand, I do not understand the NEGATIVE PRESSURE values of as shown in the legend, why do I have negative pressure?<\/p>\n<p><\/p>\n<p>And what is this pressure: total, static, gauge, etc<img decoding=\"async\" src=\"https:\/\/us.v-cdn.net\/6032193\/uploads\/attachments\/3800bd59-a002-4a62-aeb9-ab8b00c6d042\/05c48eaa-1425-4d7e-81b6-abe500c639af_aoa-0.jpg?width=690&amp;upscale=false\" alt=\"pressure distribution on airfoil wing\"><\/p>\n","protected":false},"template":"","class_list":["post-45477","topic","type-topic","status-closed","hentry"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_old_topic_id":["17658"],"_bbp_old_topic_author_name_id":["Anonymous"],"_bbp_old_is_topic_anonymous_id":["false"],"_bbp_old_closed_status_id":["publish"],"_bbp_author_ip":[null],"_bbp_old_sticky_status_id":["normal"],"_bbp_likes_count":["0"],"_btv_view_count":["3547"],"_bbp_subscription":["249100"],"_bbp_topic_status":["unanswered"],"_bbp_status":["publish"],"_bbp_topic_id":["45477"],"_bbp_forum_id":["27792"],"_bbp_engagement":["118","22555","174895"],"_bbp_voice_count":["3"],"_bbp_reply_count":["6"],"_bbp_last_reply_id":["119997"],"_bbp_last_active_id":["119997"],"_bbp_last_active_time":["2020-07-03 07:08:32"]},"test":"alfredoloo"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/45477","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\/45477\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=45477"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}