{"id":234444,"date":"2022-09-05T11:51:14","date_gmt":"2022-09-05T11:51:14","guid":{"rendered":"\/forum\/?post_type=topic&#038;p=234444"},"modified":"2022-09-05T11:51:14","modified_gmt":"2022-09-05T11:51:14","slug":"how-to-stabilize-the-interface-in-a-multi-fluid-vof-simulation","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/how-to-stabilize-the-interface-in-a-multi-fluid-vof-simulation\/","title":{"rendered":"How to stabilize the interface in a Multi-fluid VOF simulation?"},"content":{"rendered":"<p>Dear all,<\/p>\n<p>with this message I would like to ask <strong>how one could stabilize the interface behavior (velocity field) in an water entry simulation using Multi-fluid VOF (ANSYS Fluent 2020 R2) since the divergence occurs (Fig. below)?<\/strong><\/p>\n<p><strong><img loading=\"lazy\" decoding=\"async\" src=\"\/forum\/wp-content\/uploads\/sites\/2\/2022\/09\/05-09-2022-1662378588-final-1.jpg\" alt=\"\" width=\"412\" height=\"260\"><img loading=\"lazy\" decoding=\"async\" src=\"\/forum\/wp-content\/uploads\/sites\/2\/2022\/09\/05-09-2022-1662378611-final-2.jpg\" alt=\"\" width=\"531\" height=\"335\"><\/strong><\/p>\n<p>I would need very fine time step (1e-6 s was found as an appropriate); however, the simulation would be very lengthly.<\/p>\n<p>Any suggestion how to make the simulation with higher time step, because Multi-fluid VOF is used, would be appreciated.<\/p>\n<p>Best regards,<\/p>\n<p>Alen<\/p>\n","protected":false},"template":"","class_list":["post-234444","topic","type-topic","status-closed","hentry"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_author_ip":["96.7.74.191"],"_bbp_subscription":["172637","199","218","22555"],"_btv_view_count":["994"],"_bbp_topic_status":["unanswered"],"_bbp_status":["publish"],"_bbp_topic_id":["234444"],"_bbp_forum_id":["27792"],"_bbp_engagement":["199","218","22555","172637"],"_bbp_voice_count":["4"],"_bbp_reply_count":["5"],"_bbp_last_reply_id":["234636"],"_bbp_last_active_id":["234636"],"_bbp_last_active_time":["2022-09-07 08:59:05"]},"test":"acukrov"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/234444","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\/234444\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=234444"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}