{"id":48132,"date":"2020-09-15T13:44:47","date_gmt":"2020-09-15T13:44:47","guid":{"rendered":"\/forum\/forums\/topic\/negative-drag-force\/"},"modified":"2020-09-15T13:44:47","modified_gmt":"2020-09-15T13:44:47","slug":"negative-drag-force","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/negative-drag-force\/","title":{"rendered":"NEGATIVE DRAG FORCE"},"content":{"rendered":"<p>Hi everyone,ni&#8217;m doing CFD analysis of an aircraft. In particular, i&#8217;m interested in canopy&#8217;s aerodynamic.nI&#8217;ve calculated drag force of the whole aircraft and of the canopy. In the second case, drag force is negative.nI don&#8217;t understand why.nCan you help me?n<\/p>\n","protected":false},"template":"","class_list":["post-48132","topic","type-topic","status-closed","hentry","topic-tag-ansys-fluent","topic-tag-fluid","topic-tag-fluid-dynamics","topic-tag-meshing"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_old_topic_id":["20347"],"_bbp_old_topic_author_name_id":["Anonymous"],"_bbp_old_is_topic_anonymous_id":["false"],"_bbp_old_closed_status_id":["publish"],"_bbp_author_ip":["%?S?"],"_bbp_old_sticky_status_id":["normal"],"_bbp_likes_count":["0"],"_btv_view_count":["1622"],"_bbp_subscription":["255391"],"_bbp_topic_status":["unanswered"],"_bbp_status":["publish"],"_bbp_topic_id":["48132"],"_bbp_forum_id":["27792"],"_bbp_engagement":["5120","181274"],"_bbp_voice_count":["2"],"_bbp_reply_count":["6"],"_bbp_last_reply_id":["129101"],"_bbp_last_active_id":["129101"],"_bbp_last_active_time":["2020-10-06 18:51:56"]},"test":"felice_lucivero"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/48132","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\/48132\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=48132"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}