{"id":35116,"date":"2019-05-03T15:28:32","date_gmt":"2019-05-03T15:28:32","guid":{"rendered":"\/forum\/forums\/topic\/when-to-apply-free-slip-boundary-condition\/"},"modified":"2019-05-03T15:28:32","modified_gmt":"2019-05-03T15:28:32","slug":"when-to-apply-free-slip-boundary-condition","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/when-to-apply-free-slip-boundary-condition\/","title":{"rendered":"When to apply free slip boundary condition?"},"content":{"rendered":"<p>Hi,<\/p>\n<p><\/p>\n<p>Can someone explain me when should I apply free-slip boundary condition and why?<\/p>\n<p><\/p>\n<p>I am&nbsp;simulating rise of air bubble through glycerine, while trying&nbsp;to match the results from a research paper. In the paper&nbsp; for left and right wall no-slip boundary condition was applied. When I tried same simulation, I reduced whole domain into half and applied symmetry BC to left wall and no-slip BC to right wall but I didn&#8217;t get the same results. When I changed the the BC of left wall to slip I got exact results, why did this happen? Also is no-slip BC for bottom wall ok?<\/p>\n","protected":false},"template":"","class_list":["post-35116","topic","type-topic","status-closed","hentry"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_old_topic_id":["7288"],"_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"],"_btv_view_count":["2335"],"_bbp_subscription":["240069"],"_bbp_topic_status":["unanswered"],"_bbp_status":["publish"],"_bbp_topic_id":["35116"],"_bbp_forum_id":["27792"],"_bbp_engagement":["199","165056"],"_bbp_voice_count":["2"],"_bbp_reply_count":["1"],"_bbp_last_reply_id":["84675"],"_bbp_last_active_id":["84675"],"_bbp_last_active_time":["2019-05-07 11:02:09"]},"test":"bhu2727"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/35116","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\/35116\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=35116"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}