{"id":30287,"date":"2018-09-04T11:50:26","date_gmt":"2018-09-04T11:50:26","guid":{"rendered":"\/forum\/forums\/topic\/how-does-ansys-fluent-model-the-surface-tension-in-the-eulerian-multi-fluid-model\/"},"modified":"2018-09-04T11:50:26","modified_gmt":"2018-09-04T11:50:26","slug":"how-does-ansys-fluent-model-the-surface-tension-in-the-eulerian-multi-fluid-model","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/how-does-ansys-fluent-model-the-surface-tension-in-the-eulerian-multi-fluid-model\/","title":{"rendered":"How does ANSYS FLUENT model the surface tension in the Eulerian (multi-fluid) model?"},"content":{"rendered":"<p>I am using ANSYS FLUENT to model a two-phase flow of liquid and gas using the Eulerian model where the surface tension force is included.<\/p>\n<p><\/p>\n<p>&nbsp;<\/p>\n<p><\/p>\n<p>&nbsp; In the theory of the VOF model, the surface tension force is added to the momentum equation as a source term. &nbsp; However, in the Eulerian model, we have two momentum equations, one for the liquid and one for the gas.<\/p>\n<p><\/p>\n<p>How is the surface tension force included? is it added to the liquid momentum equation?is it added to the gas momentum equation? is it split between the two phases? &nbsp; If it is split, is it split by two volume averaged factors or two mass averaged factors? &nbsp;<\/p>\n<p><\/p>\n<p>&nbsp;<\/p>\n<p><\/p>\n<p>Unfortunately, the theory manual does not mention related information under the Eulerian model theory.<\/p>\n<p><\/p>\n<p>&nbsp;<\/p>\n","protected":false},"template":"","class_list":["post-30287","topic","type-topic","status-closed","hentry"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_old_topic_id":["2456"],"_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","0","0","0","0"],"_btv_view_count":["2459"],"_bbp_subscription":["236998","30845","199"],"_bbp_topic_status":["unanswered"],"_bbp_status":["publish"],"_bbp_topic_id":["30287"],"_bbp_forum_id":["27792"],"_bbp_engagement":["199","22555","30845","158637"],"_bbp_voice_count":["4"],"_bbp_reply_count":["6"],"_bbp_last_reply_id":["310630"],"_bbp_last_active_id":["310630"],"_bbp_last_active_time":["2023-10-09 10:44:27"]},"test":"mohamedh"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/30287","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\/30287\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=30287"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}