{"id":44728,"date":"2020-06-03T20:18:26","date_gmt":"2020-06-03T20:18:26","guid":{"rendered":"\/forum\/forums\/topic\/dynamic-contact-angle\/"},"modified":"2020-06-03T20:18:26","modified_gmt":"2020-06-03T20:18:26","slug":"dynamic-contact-angle","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/dynamic-contact-angle\/","title":{"rendered":"Dynamic contact angle"},"content":{"rendered":"<p>Hi everyone,<\/p>\n<p><\/p>\n<p>While there are a lot of researches on dynamics of wetting and dynamics contact angle, it seems, Ansys fluent update contact angle during simulation. For example if you set static contact angle for a&nbsp;liquid slug in a capillary tube, and then force the slug to move, the contact angle changes.<\/p>\n<p><\/p>\n<p>In this regard, I saw a lot of discussion on how to write a udf to apply dynamic contact angle, when the &#8220;wall adhesion&#8221; option is activated while I think fluent solver updates the contact angle during simulation and there is no need to do so by a udf. &nbsp;<\/p>\n<p><\/p>\n<p>Actually I&#8217;m a kind of confused on this issue and wonder if someone can help me?!<\/p>\n<p><\/p>\n<p>Regards,<\/p>\n<p><\/p>\n<p>&nbsp;<\/p>\n","protected":false},"template":"","class_list":["post-44728","topic","type-topic","status-closed","hentry"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_old_topic_id":["16909"],"_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":["2851"],"_bbp_subscription":["252202"],"_bbp_topic_status":["unanswered"],"_bbp_status":["publish"],"_bbp_topic_id":["44728"],"_bbp_forum_id":["27792"],"_bbp_engagement":["25","22555","178065"],"_bbp_voice_count":["3"],"_bbp_reply_count":["16"],"_bbp_last_reply_id":["117372"],"_bbp_last_active_id":["117372"],"_bbp_last_active_time":["2020-06-11 02:49:36"]},"test":"nika2001"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/44728","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\/44728\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=44728"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}