{"id":295666,"date":"2023-07-31T12:56:46","date_gmt":"2023-07-31T12:56:46","guid":{"rendered":"\/forum\/forums\/reply\/295666\/"},"modified":"2023-07-31T12:56:46","modified_gmt":"2023-07-31T12:56:46","slug":"295666","status":"publish","type":"reply","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/295666\/","title":{"rendered":"Reply To: Convergence issues with NIST real gas modell at increasing velocity inlet"},"content":{"rendered":"<p>&lt;p&gt;There are some points in the domain where local velocity exceeds 100m\/s and i wanted to account for compressibilty and just for good quality results, of course i could use another model but im just wondering why it happens. Inlet temp is 313K and wall temperatures are 299K. Amount of cells started wit 420k and i increased it gradually to 1,2M and no change of the behaviour, it was always the same point of 12,5ms where it diverged (12,4 still converged). Im studying pressure drop and hea transfer rate <img decoding=\"async\" src=\"\/forum\/wp-content\/uploads\/sites\/2\/2023\/07\/31-07-2023-1690808088-domain.png\" alt=\"\" \/>&lt;\/p&gt;<\/p>\n","protected":false},"template":"","class_list":["post-295666","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=\"There are some points in the domain where local velocity exceeds 100m\/s and i wanted to account for compressibilty and just for good quality results, of course i could use another model but im just wondering why it happens. Inlet temp is 313K and wall temperatures are 299K. Amount of cells started wit 420k and\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/295666\/\" \/>\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: Convergence issues with NIST real gas modell at increasing velocity inlet | Ansys Learning Forum\" \/>\n\t\t<meta property=\"og:description\" content=\"There are some points in the domain where local velocity exceeds 100m\/s and i wanted to account for compressibilty and just for good quality results, of course i could use another model but im just wondering why it happens. Inlet temp is 313K and wall temperatures are 299K. Amount of cells started wit 420k and\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/295666\/\" \/>\n\t\t<meta property=\"og:image\" content=\"https:\/\/innovationspace.ansys.com\/forum\/forum\/wp-content\/uploads\/sites\/2\/2023\/07\/31-07-2023-1690808088-domain.png\" \/>\n\t\t<meta property=\"og:image:secure_url\" content=\"https:\/\/innovationspace.ansys.com\/forum\/forum\/wp-content\/uploads\/sites\/2\/2023\/07\/31-07-2023-1690808088-domain.png\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2023-07-31T12:56:46+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2023-07-31T12:56:46+00:00\" \/>\n\t\t<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n\t\t<meta name=\"twitter:title\" content=\"Reply To: Convergence issues with NIST real gas modell at increasing velocity inlet | Ansys Learning Forum\" \/>\n\t\t<meta name=\"twitter:description\" content=\"There are some points in the domain where local velocity exceeds 100m\/s and i wanted to account for compressibilty and just for good quality results, of course i could use another model but im just wondering why it happens. Inlet temp is 313K and wall temperatures are 299K. 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Inlet temp is 313K and wall temperatures are 299K. 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Inlet temp is 313K and wall temperatures are 299K. 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Inlet temp is 313K and wall temperatures are 299K. Amount of cells started wit 420k and","inLanguage":"en-US","isPartOf":{"@id":"https:\/\/innovationspace.ansys.com\/forum\/#website"},"breadcrumb":{"@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/295666\/#breadcrumblist"},"datePublished":"2023-07-31T12:56:46+00:00","dateModified":"2023-07-31T12:56:46+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: Convergence issues with NIST real gas modell at increasing velocity inlet | Ansys Learning Forum","og:description":"There are some points in the domain where local velocity exceeds 100m\/s and i wanted to account for compressibilty and just for good quality results, of course i could use another model but im just wondering why it happens. Inlet temp is 313K and wall temperatures are 299K. Amount of cells started wit 420k and","og:url":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/295666\/","og:image":"https:\/\/innovationspace.ansys.com\/forum\/forum\/wp-content\/uploads\/sites\/2\/2023\/07\/31-07-2023-1690808088-domain.png","og:image:secure_url":"https:\/\/innovationspace.ansys.com\/forum\/forum\/wp-content\/uploads\/sites\/2\/2023\/07\/31-07-2023-1690808088-domain.png","article:published_time":"2023-07-31T12:56:46+00:00","article:modified_time":"2023-07-31T12:56:46+00:00","twitter:card":"summary_large_image","twitter:title":"Reply To: Convergence issues with NIST real gas modell at increasing velocity inlet | Ansys Learning Forum","twitter:description":"There are some points in the domain where local velocity exceeds 100m\/s and i wanted to account for compressibilty and just for good quality results, of course i could use another model but im just wondering why it happens. Inlet temp is 313K and wall temperatures are 299K. 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