{"id":38093,"date":"2019-10-03T02:45:50","date_gmt":"2019-10-03T02:45:50","guid":{"rendered":"\/forum\/forums\/topic\/force-calculation-in-cfd-post\/"},"modified":"2019-10-03T02:45:50","modified_gmt":"2019-10-03T02:45:50","slug":"force-calculation-in-cfd-post","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/force-calculation-in-cfd-post\/","title":{"rendered":"Force calculation in CFD Post"},"content":{"rendered":"<p class=\"MsoNormal\">I was wondering if someone could let me know how CFD post calculates force.&nbsp; I am simulating a rotating helical gear dipped in lubricant, and when I look at the y force calculated by CFD post the location of the coordinate system seems to have a great affect.&nbsp; The global coordinate system is at (0,0,0) and my coordinate system has different numbers for y and z.&nbsp; The x and z forces change a little if the coordinate system is changed, but the y force changes dramatically and almost linearly as the coordinate system changes.&nbsp; The magnitude of the y force increases as the coordinate system is moved closer to the center of the gear.&nbsp; I was wondering if you would have any ideas why this would be happening and if it was due to how CFD post was calculating force.&nbsp;<\/p>\n","protected":false},"template":"","class_list":["post-38093","topic","type-topic","status-closed","hentry"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_old_topic_id":["10271"],"_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":["2884"],"_bbp_subscription":["242228"],"_bbp_topic_status":["unanswered"],"_bbp_status":["publish"],"_bbp_topic_id":["38093"],"_bbp_forum_id":["27792"],"_bbp_engagement":["20093","167763","168988"],"_bbp_voice_count":["3"],"_bbp_reply_count":["5"],"_bbp_last_reply_id":["98088"],"_bbp_last_active_id":["98088"],"_bbp_last_active_time":["2019-11-08 15:20:25"]},"test":"marduin"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/38093","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\/38093\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=38093"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}