{"id":369124,"date":"2024-05-29T19:11:04","date_gmt":"2024-05-29T19:11:04","guid":{"rendered":"\/forum\/forums\/reply\/369124\/"},"modified":"2024-05-29T19:11:04","modified_gmt":"2024-05-29T19:11:04","slug":"369124","status":"publish","type":"reply","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/369124\/","title":{"rendered":"Reply To: Fully Premixed FGM Model Setup and Boundary Conditions"},"content":{"rendered":"<p>&lt;p&gt;Hi Alex,&lt;\/p&gt;&lt;p&gt;When we use fully premixed model, by default the number of grid points in mixture fraction space is 1 (by default). Hence, i dont think we need to increase the default value to 32.&lt;\/p&gt;&lt;p&gt;After you completed the cold flow run first, you would have the entire pipe filled with premixed mixture and you are igniting the entire system by patching PV=1, so technically you would see the entire domain sitting at high temperature.&lt;\/p&gt;&lt;p&gt;What is your objective here ? are you trying to see the flame propagation. If so, you could explore a trasient simulation, and patch a small region at the start with PV=1 and then observe the flame propagating forward.&lt;\/p&gt;&lt;p&gt;&nbsp;&lt;\/p&gt;<\/p>\n","protected":false},"template":"","class_list":["post-369124","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=\"Hi Alex,When we use fully premixed model, by default the number of grid points in mixture fraction space is 1 (by default). Hence, i dont think we need to increase the default value to 32.After you completed the cold flow run first, you would have the entire pipe filled with premixed mixture and you are\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/369124\/\" \/>\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: Fully Premixed FGM Model Setup and Boundary Conditions | Ansys Learning Forum\" \/>\n\t\t<meta property=\"og:description\" content=\"Hi Alex,When we use fully premixed model, by default the number of grid points in mixture fraction space is 1 (by default). Hence, i dont think we need to increase the default value to 32.After you completed the cold flow run first, you would have the entire pipe filled with premixed mixture and you are\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/369124\/\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2024-05-29T19:11:04+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2024-05-29T19:11:04+00:00\" \/>\n\t\t<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n\t\t<meta name=\"twitter:title\" content=\"Reply To: Fully Premixed FGM Model Setup and Boundary Conditions | Ansys Learning Forum\" \/>\n\t\t<meta name=\"twitter:description\" content=\"Hi Alex,When we use fully premixed model, by default the number of grid points in mixture fraction space is 1 (by default). Hence, i dont think we need to increase the default value to 32.After you completed the cold flow run first, you would have the entire pipe filled with premixed mixture and you are\" \/>\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\\\/369124\\\/#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\\\/369124\\\/#listItem\",\"name\":\"Reply To: Fully Premixed FGM Model Setup and Boundary Conditions\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/reply\\\/369124\\\/#listItem\",\"position\":2,\"name\":\"Reply To: Fully Premixed FGM Model Setup and Boundary Conditions\",\"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\\\/369124\\\/#webpage\",\"url\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/reply\\\/369124\\\/\",\"name\":\"Reply To: Fully Premixed FGM Model Setup and Boundary Conditions | Ansys Learning Forum\",\"description\":\"Hi Alex,When we use fully premixed model, by default the number of grid points in mixture fraction space is 1 (by default). Hence, i dont think we need to increase the default value to 32.After you completed the cold flow run first, you would have the entire pipe filled with premixed mixture and you are\",\"inLanguage\":\"en-US\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/#website\"},\"breadcrumb\":{\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/reply\\\/369124\\\/#breadcrumblist\"},\"datePublished\":\"2024-05-29T19:11:04+00:00\",\"dateModified\":\"2024-05-29T19:11:04+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\"}}]}\n\t\t<\/script>\n\t\t<!-- All in One SEO -->\n\n","aioseo_head_json":{"title":"Reply To: Fully Premixed FGM Model Setup and Boundary Conditions | Ansys Learning Forum","description":"Hi Alex,When we use fully premixed model, by default the number of grid points in mixture fraction space is 1 (by default). Hence, i dont think we need to increase the default value to 32.After you completed the cold flow run first, you would have the entire pipe filled with premixed mixture and you are","canonical_url":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/369124\/","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"BreadcrumbList","@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/369124\/#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\/369124\/#listItem","name":"Reply To: Fully Premixed FGM Model Setup and Boundary Conditions"}},{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/369124\/#listItem","position":2,"name":"Reply To: Fully Premixed FGM Model Setup and Boundary Conditions","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\/369124\/#webpage","url":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/369124\/","name":"Reply To: Fully Premixed FGM Model Setup and Boundary Conditions | Ansys Learning Forum","description":"Hi Alex,When we use fully premixed model, by default the number of grid points in mixture fraction space is 1 (by default). Hence, i dont think we need to increase the default value to 32.After you completed the cold flow run first, you would have the entire pipe filled with premixed mixture and you are","inLanguage":"en-US","isPartOf":{"@id":"https:\/\/innovationspace.ansys.com\/forum\/#website"},"breadcrumb":{"@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/369124\/#breadcrumblist"},"datePublished":"2024-05-29T19:11:04+00:00","dateModified":"2024-05-29T19:11:04+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":"Reply To: Fully Premixed FGM Model Setup and Boundary Conditions | Ansys Learning Forum","og:description":"Hi Alex,When we use fully premixed model, by default the number of grid points in mixture fraction space is 1 (by default). Hence, i dont think we need to increase the default value to 32.After you completed the cold flow run first, you would have the entire pipe filled with premixed mixture and you are","og:url":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/369124\/","article:published_time":"2024-05-29T19:11:04+00:00","article:modified_time":"2024-05-29T19:11:04+00:00","twitter:card":"summary_large_image","twitter:title":"Reply To: Fully Premixed FGM Model Setup and Boundary Conditions | Ansys Learning Forum","twitter:description":"Hi Alex,When we use fully premixed model, by default the number of grid points in mixture fraction space is 1 (by default). 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