{"id":246256,"date":"2023-01-11T18:35:43","date_gmt":"2023-01-11T18:35:43","guid":{"rendered":"\/forum\/forums\/topic\/divergence-mixture-multiphase-model-with-surface-tension-force-model-enabled\/"},"modified":"2023-01-13T14:13:02","modified_gmt":"2023-01-13T14:13:02","slug":"divergence-mixture-multiphase-model-with-surface-tension-force-model-enabled","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/divergence-mixture-multiphase-model-with-surface-tension-force-model-enabled\/","title":{"rendered":"Divergence &#8211; Mixture Multiphase model with Surface Tension Force Model enabled"},"content":{"rendered":"<div id=\"m_-2107932101252988606GroupWiseSection_1673451515833_Biborka.Boga@catalysis.de_C28E3D00075B0000B6646F6D66626631_\"><span style=\"font-size: 14pt\">Hi. I am trying to simulate the G-L reactive flow in ANSYS Fluent. As a first approach I have considered H2O+O2 (L) and air (G).<\/span><\/div>\n<div>\n<div>I am modeling a falling film flow (where the microchannel is situated at 35 degree from the horizontal position)<\/div>\n<div>I have selected the Mixture Multiphase model. I have set the O2 mass transfer from G to L (Henry&#8217;s law).<\/div>\n<div>When the &nbsp;Surface Tension Force Modeling&nbsp; &gt;&gt;Continuum Surface Force is enabled, I have Floating point exception and divergence problems.<\/div>\n<div>I have modified the convergence criteria, the under relaxation factor, however unfortunately the problem is still unsolved.<\/div>\n<div>&nbsp;<\/div>\n<div>Can you please offer me some hints why this divergence issue occured?<br \/>Thank you in advance!<\/div>\n<\/div>\n","protected":false},"template":"","class_list":["post-246256","topic","type-topic","status-closed","hentry"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_subscription":["265903","218","15180","199"],"_bbp_author_ip":["23.56.168.214"]," _bbp_last_reply_id":["0"]," _bbp_likes_count":["0"],"_btv_view_count":["750"],"_bbp_status":["publish"],"_bbp_topic_status":["unanswered"],"_bbp_topic_id":["246256"],"_bbp_forum_id":["27792"],"_bbp_engagement":["199","218","15180","265903"],"_bbp_voice_count":["4"],"_bbp_reply_count":["13"],"_bbp_last_reply_id":["246473"],"_bbp_last_active_id":["246473"],"_bbp_last_active_time":["2023-01-13 14:36:27"]},"test":"biborka-bogacatalysis-de"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/246256","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\/246256\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=246256"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}