{"id":341947,"date":"2023-12-25T03:36:26","date_gmt":"2023-12-25T03:36:26","guid":{"rendered":"\/forum\/forums\/topic\/does-the-6dof-model-in-fluent-consider-buoyancy\/"},"modified":"2023-12-25T03:36:26","modified_gmt":"2023-12-25T03:36:26","slug":"does-the-6dof-model-in-fluent-consider-buoyancy","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/does-the-6dof-model-in-fluent-consider-buoyancy\/","title":{"rendered":"Does the 6DoF model in Fluent consider buoyancy?"},"content":{"rendered":"<p>Hello, sir.<\/p>\n<p>I am now using a dynamic mesh to simulate the settlement of objects (only affected by gravity and fluid viscosity), using a 6DoF model. I use UDF. Do I need to add buoyancy to the 6DoF UDF? Or just check the gravity in general?<\/p>\n<p><img decoding=\"async\" src=\"\/forum\/wp-content\/uploads\/sites\/2\/2023\/12\/25-12-2023-1703475038-mceclip0.png\"><\/p>\n<p><img decoding=\"async\" src=\"\/forum\/wp-content\/uploads\/sites\/2\/2023\/12\/25-12-2023-1703475101-mceclip1.png\"><\/p>\n<p>My object only moves in the z-direction, and is initially subject to no other forces except gravity and the force exerted on it by the fluid. Will the 6DoF model automatically calculate buoyancy and other forces?<\/p>\n<p>Thanks<\/p>\n","protected":false},"template":"","class_list":["post-341947","topic","type-topic","status-closed","hentry"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_subscription":["258615","199","336069"],"_bbp_author_ip":["23.52.43.10"]," _bbp_last_reply_id":["0"]," _bbp_likes_count":["0"],"_btv_view_count":["628"],"_bbp_topic_status":["unanswered"],"_bbp_likes_count":["1"],"_bbp_status":["publish"],"_bbp_topic_id":["341947"],"_bbp_forum_id":["27792"],"_bbp_engagement":["199","258615","336069"],"_bbp_voice_count":["3"],"_bbp_reply_count":["8"],"_bbp_last_reply_id":["343354"],"_bbp_last_active_id":["343354"],"_bbp_last_active_time":["2024-01-05 10:21:14"]},"test":"2019023289m-scnu-edu-cn"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/341947","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\/341947\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=341947"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}