{"id":395520,"date":"2024-11-27T11:05:05","date_gmt":"2024-11-27T11:05:05","guid":{"rendered":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/395520\/"},"modified":"2024-11-27T11:05:05","modified_gmt":"2024-11-27T11:05:05","slug":"395520","status":"publish","type":"reply","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/395520\/","title":{"rendered":"Reply To: Mass flow outlet boundary condition"},"content":{"rendered":"<p>&lt;p&gt;I don&#8217;t follow the bit about Fluent setting liquid even if you have gas. Pictures may help.&nbsp;&lt;\/p&gt;&lt;p&gt;The mass flow outlet was removed for some multiphase several versions back as it wasn&#8217;t stable. The issue is that if we remove x kg\/s and there is a variable amount of a denser phase that the pressure on the boundary becomes unstable. A volume flow boundary (velocity) would be numerically better and potentially physically more sensible as pumps etc suck volume.&nbsp;&lt;\/p&gt;<\/p>\n","protected":false},"template":"","class_list":["post-395520","reply","type-reply","status-publish","hentry"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"I don&#039;t follow the bit about Fluent setting liquid even if you have gas. Pictures may help. The mass flow outlet was removed for some multiphase several versions back as it wasn&#039;t stable. The issue is that if we remove x kg\/s and there is a variable amount of a denser phase that the pressure on\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/395520\/\" \/>\n\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 4.9.10\" \/>\n\t\t<meta property=\"og:locale\" content=\"en_US\" \/>\n\t\t<meta property=\"og:site_name\" content=\"Ansys Learning Forum | Ansys Innovation Space\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"Reply To: Mass flow outlet boundary condition | Ansys Learning Forum\" \/>\n\t\t<meta property=\"og:description\" content=\"I don&#039;t follow the bit about Fluent setting liquid even if you have gas. Pictures may help. The mass flow outlet was removed for some multiphase several versions back as it wasn&#039;t stable. The issue is that if we remove x kg\/s and there is a variable amount of a denser phase that the pressure on\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/395520\/\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2024-11-27T11:05:05+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2024-11-27T11:05:05+00:00\" \/>\n\t\t<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n\t\t<meta name=\"twitter:title\" content=\"Reply To: Mass flow outlet boundary condition | Ansys Learning Forum\" \/>\n\t\t<meta name=\"twitter:description\" content=\"I don&#039;t follow the bit about Fluent setting liquid even if you have gas. Pictures may help. The mass flow outlet was removed for some multiphase several versions back as it wasn&#039;t stable. The issue is that if we remove x kg\/s and there is a variable amount of a denser phase that the pressure on\" \/>\n\t\t<script type=\"application\/ld+json\" class=\"aioseo-schema\">\n\t\t\t{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/reply\\\/395520\\\/#breadcrumblist\",\"itemListElement\":[{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum#listItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\",\"nextItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/reply\\\/395520\\\/#listItem\",\"name\":\"Reply To: Mass flow outlet boundary condition\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/reply\\\/395520\\\/#listItem\",\"position\":2,\"name\":\"Reply To: Mass flow outlet boundary condition\",\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum#listItem\",\"name\":\"Home\"}}]},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/#organization\",\"name\":\"Ansys Learning Forum\",\"description\":\"Ansys Innovation Space\",\"url\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/reply\\\/395520\\\/#webpage\",\"url\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/reply\\\/395520\\\/\",\"name\":\"Reply To: Mass flow outlet boundary condition | Ansys Learning Forum\",\"description\":\"I don't follow the bit about Fluent setting liquid even if you have gas. Pictures may help. The mass flow outlet was removed for some multiphase several versions back as it wasn't stable. 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Pictures may help. The mass flow outlet was removed for some multiphase several versions back as it wasn't stable. 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The mass flow outlet was removed for some multiphase several versions back as it wasn't stable. The issue is that if we remove x kg\/s and there is a variable amount of a denser phase that the pressure on","og:url":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/395520\/","article:published_time":"2024-11-27T11:05:05+00:00","article:modified_time":"2024-11-27T11:05:05+00:00","twitter:card":"summary_large_image","twitter:title":"Reply To: Mass flow outlet boundary condition | Ansys Learning Forum","twitter:description":"I don't follow the bit about Fluent setting liquid even if you have gas. Pictures may help. The mass flow outlet was removed for some multiphase several versions back as it wasn't stable. 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