{"id":307170,"date":"2023-09-18T05:34:12","date_gmt":"2023-09-18T05:34:12","guid":{"rendered":"\/forum\/forums\/topic\/water-vof-became-fixed-per-time-although-water-velocities-are-increasing\/"},"modified":"2023-09-24T07:33:06","modified_gmt":"2023-09-24T07:33:06","slug":"water-vof-became-fixed-per-time-although-water-velocities-are-increasing","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/water-vof-became-fixed-per-time-although-water-velocities-are-increasing\/","title":{"rendered":"Water VOF became fixed per time, although water velocities are increasing"},"content":{"rendered":"<div>Hello,&nbsp;<\/div>\n<div>&nbsp;<\/div>\n<div>I need help to understand the physical meaning of this graph\uff0c where there is a mistake that I can&#8217;t get. I am simulating a flood, my inlet boundary condition is a velocity inlet (transient table). I am simulating 15 minutes of flood.&nbsp;<\/div>\n<div>&nbsp;<\/div>\n<div>The velocity is increasing in the boundary condition, so logically, the VOF should be growing as well. Eventually, the water should fill the whole space.<\/div>\n<div>&nbsp;<\/div>\n<div>However, when the VOF reached 0.6, at a time of almost 5 minutes (300 sec), it stopped growing and kept almost constant, although, the velocity in the boundary condition table kept growing.&nbsp;<\/div>\n<div>&nbsp;<\/div>\n<div>Could anyone help to understand where is the problem?&nbsp;<\/div>\n<div>&nbsp;<\/div>\n<div><img decoding=\"async\" src=\"\/forum\/wp-content\/uploads\/sites\/2\/2023\/09\/18-09-2023-1695015076-basement13.jpg\" alt=\"\"><\/div>\n<div>&nbsp;<\/div>\n<div>&nbsp;<\/div>\n<div><img decoding=\"async\" src=\"\/forum\/wp-content\/uploads\/sites\/2\/2023\/09\/18-09-2023-1695015100-velocity.jpg\" alt=\"\"><\/div>\n","protected":false},"template":"","class_list":["post-307170","topic","type-topic","status-closed","hentry"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_subscription":["66766","199"],"_bbp_author_ip":["23.206.193.154"]," _bbp_last_reply_id":["0"]," _bbp_likes_count":["0"],"_btv_view_count":["199"],"_bbp_status":["publish"],"_bbp_topic_status":["unanswered"],"_bbp_topic_id":["307170"],"_bbp_forum_id":["27792"],"_bbp_engagement":["199","66766"],"_bbp_voice_count":["2"],"_bbp_reply_count":["18"],"_bbp_last_reply_id":["307933"],"_bbp_last_active_id":["307933"],"_bbp_last_active_time":["2023-09-21 16:07:29"]},"test":"walaakm10mails-tsinghua-edu-cn"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/307170","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\/307170\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=307170"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}