{"id":317438,"date":"2023-11-13T14:39:59","date_gmt":"2023-11-13T14:39:59","guid":{"rendered":"\/forum\/forums\/topic\/help-with-2d-axisymmetric-problem\/"},"modified":"2024-03-08T13:32:40","modified_gmt":"2024-03-08T13:32:40","slug":"help-with-2d-axisymmetric-problem","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/help-with-2d-axisymmetric-problem\/","title":{"rendered":"Help with 2D Axisymmetric Problem"},"content":{"rendered":"<p>Hello, I am fairly new to Fluent and CFD and I was hoping I could get some assistance with a problem I have been working on.<\/p>\n<p>The context is as follows:<br \/>I have two 2D axisymmetric volumes. Volume A is filled with air at 1 atmosphere and should have a far field boundary on the edge, and Volume B is filled with sulfur dioxide at 10 atmosphere. Initially, these gases are separated. Also in the model is an orifice connecting the two volumes together.<\/p>\n<p>My intent with this simulation is to see how long it takes for the system to reach equilibrium and for the SO2 to evacuate the volume. I selected Species Transport for the model, I have specified Volume B as SO2 in the Cell Zone Conditions and Volume A as air. The orifice is technically a third volume and it is set as a mixture template of air and SO2 in the Cell Zone Conditions. The error pictured makes me believe the assignments are wrong. I can initialize if I set all zones to mixture-template of SO2 and air, but I don&#8217;t believe that represents what I want.<\/p>\n<p>I am outside my experience on this, but would like to learn more about it so any advice on setup would be appreciated.<img decoding=\"async\" src=\"\/forum\/wp-content\/uploads\/sites\/2\/2023\/11\/13-11-2023-1699886376-Space Claim Model.PNG\" alt=\"\"><\/p>\n","protected":false},"template":"","class_list":["post-317438","topic","type-topic","status-closed","hentry"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"Hello, I am fairly new to Fluent and CFD and I was hoping I could get some assistance with a problem I have been working on.The context is as follows:I have two 2D axisymmetric volumes. 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Volume A is filled with air at 1 atmosphere and should have a far field boundary on the edge, and","inLanguage":"en-US","isPartOf":{"@id":"https:\/\/innovationspace.ansys.com\/forum\/#website"},"breadcrumb":{"@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/help-with-2d-axisymmetric-problem\/#breadcrumblist"},"datePublished":"2023-11-13T14:39:59+00:00","dateModified":"2024-03-08T13:32:40+00:00"},{"@type":"WebSite","@id":"https:\/\/innovationspace.ansys.com\/forum\/#website","url":"https:\/\/innovationspace.ansys.com\/forum\/","name":"Ansys Learning Forum","description":"Ansys Innovation Space","inLanguage":"en-US","publisher":{"@id":"https:\/\/innovationspace.ansys.com\/forum\/#organization"}}]},"og:locale":"en_US","og:site_name":"Ansys Learning Forum | Ansys Innovation Space","og:type":"article","og:title":"Help with 2D Axisymmetric Problem | Ansys Learning Forum","og:description":"Hello, I am fairly new to Fluent and CFD and I was hoping I could get some assistance with a problem I have been working on.The context is as follows:I have two 2D axisymmetric volumes. 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