{"id":361991,"date":"2024-04-12T15:31:43","date_gmt":"2024-04-12T15:31:43","guid":{"rendered":"\/forum\/forums\/reply\/361991\/"},"modified":"2024-04-12T15:31:43","modified_gmt":"2024-04-12T15:31:43","slug":"361991","status":"publish","type":"reply","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/361991\/","title":{"rendered":"Reply To: Transonic Drag Under Predicted significantly"},"content":{"rendered":"<p>&lt;p&gt;To clarify&lt;\/p&gt;<\/p>\n<ul>\n<li>Pressure based is good to 2-3M so density based may not be needed. That shouldn&#8217;t alter the result but may improve stability.&nbsp;<\/li>\n<li>Compressability effects are linked to the fluid density, and not anything to do with turbulence.&nbsp;<\/li>\n<\/ul>\n<p>&lt;p&gt;Otherwise, there are enough models run to know the solver will return the correct result. Have you checked the model scale? You won&#8217;t be the first person to model something in mm or km as opposed to metres.&nbsp;&lt;\/p&gt;<\/p>\n","protected":false},"template":"","class_list":["post-361991","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=\"To clarifyPressure based is good to 2-3M so density based may not be needed. That shouldn&#039;t alter the result but may improve stability. Compressability effects are linked to the fluid density, and not anything to do with turbulence. Otherwise, there are enough models run to know the solver will return the correct result. Have you checked the\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/361991\/\" \/>\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: Transonic Drag Under Predicted significantly | Ansys Learning Forum\" \/>\n\t\t<meta property=\"og:description\" content=\"To clarifyPressure based is good to 2-3M so density based may not be needed. That shouldn&#039;t alter the result but may improve stability. Compressability effects are linked to the fluid density, and not anything to do with turbulence. Otherwise, there are enough models run to know the solver will return the correct result. Have you checked the\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/361991\/\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2024-04-12T15:31:43+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2024-04-12T15:31:43+00:00\" \/>\n\t\t<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n\t\t<meta name=\"twitter:title\" content=\"Reply To: Transonic Drag Under Predicted significantly | Ansys Learning Forum\" \/>\n\t\t<meta name=\"twitter:description\" content=\"To clarifyPressure based is good to 2-3M so density based may not be needed. That shouldn&#039;t alter the result but may improve stability. Compressability effects are linked to the fluid density, and not anything to do with turbulence. Otherwise, there are enough models run to know the solver will return the correct result. Have you checked the\" \/>\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\\\/361991\\\/#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\\\/361991\\\/#listItem\",\"name\":\"Reply To: Transonic Drag Under Predicted significantly\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/reply\\\/361991\\\/#listItem\",\"position\":2,\"name\":\"Reply To: Transonic Drag Under Predicted significantly\",\"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\\\/361991\\\/#webpage\",\"url\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/reply\\\/361991\\\/\",\"name\":\"Reply To: Transonic Drag Under Predicted significantly | Ansys Learning Forum\",\"description\":\"To clarifyPressure based is good to 2-3M so density based may not be needed. That shouldn't alter the result but may improve stability. Compressability effects are linked to the fluid density, and not anything to do with turbulence. Otherwise, there are enough models run to know the solver will return the correct result. Have you checked the\",\"inLanguage\":\"en-US\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/#website\"},\"breadcrumb\":{\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/reply\\\/361991\\\/#breadcrumblist\"},\"datePublished\":\"2024-04-12T15:31:43+00:00\",\"dateModified\":\"2024-04-12T15:31:43+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: Transonic Drag Under Predicted significantly | Ansys Learning Forum","description":"To clarifyPressure based is good to 2-3M so density based may not be needed. That shouldn't alter the result but may improve stability. Compressability effects are linked to the fluid density, and not anything to do with turbulence. Otherwise, there are enough models run to know the solver will return the correct result. Have you checked the","canonical_url":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/361991\/","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"BreadcrumbList","@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/361991\/#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\/361991\/#listItem","name":"Reply To: Transonic Drag Under Predicted significantly"}},{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/361991\/#listItem","position":2,"name":"Reply To: Transonic Drag Under Predicted significantly","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\/361991\/#webpage","url":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/361991\/","name":"Reply To: Transonic Drag Under Predicted significantly | Ansys Learning Forum","description":"To clarifyPressure based is good to 2-3M so density based may not be needed. That shouldn't alter the result but may improve stability. Compressability effects are linked to the fluid density, and not anything to do with turbulence. Otherwise, there are enough models run to know the solver will return the correct result. Have you checked the","inLanguage":"en-US","isPartOf":{"@id":"https:\/\/innovationspace.ansys.com\/forum\/#website"},"breadcrumb":{"@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/361991\/#breadcrumblist"},"datePublished":"2024-04-12T15:31:43+00:00","dateModified":"2024-04-12T15:31:43+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: Transonic Drag Under Predicted significantly | Ansys Learning Forum","og:description":"To clarifyPressure based is good to 2-3M so density based may not be needed. That shouldn't alter the result but may improve stability. Compressability effects are linked to the fluid density, and not anything to do with turbulence. Otherwise, there are enough models run to know the solver will return the correct result. Have you checked the","og:url":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/361991\/","article:published_time":"2024-04-12T15:31:43+00:00","article:modified_time":"2024-04-12T15:31:43+00:00","twitter:card":"summary_large_image","twitter:title":"Reply To: Transonic Drag Under Predicted significantly | Ansys Learning Forum","twitter:description":"To clarifyPressure based is good to 2-3M so density based may not be needed. That shouldn't alter the result but may improve stability. Compressability effects are linked to the fluid density, and not anything to do with turbulence. Otherwise, there are enough models run to know the solver will return the correct result. Have you checked the"},"aioseo_meta_data":{"post_id":"361991","title":null,"description":null,"keywords":null,"keyphrases":null,"primary_term":null,"canonical_url":null,"og_title":null,"og_description":null,"og_object_type":"default","og_image_type":"content","og_image_url":null,"og_image_width":null,"og_image_height":null,"og_image_custom_url":null,"og_image_custom_fields":null,"og_video":null,"og_custom_url":null,"og_article_section":null,"og_article_tags":null,"twitter_use_og":true,"twitter_card":"default","twitter_image_type":"default","twitter_image_url":null,"twitter_image_custom_url":null,"twitter_image_custom_fields":null,"twitter_title":null,"twitter_description":null,"schema":{"blockGraphs":[],"customGraphs":[],"default":{"data":{"Article":[],"Course":[],"Dataset":[],"FAQPage":[],"Movie":[],"Person":[],"Product":[],"ProductReview":[],"Car":[],"Recipe":[],"Service":[],"SoftwareApplication":[],"WebPage":[]},"graphName":"","isEnabled":true},"graphs":[]},"schema_type":"default","schema_type_options":null,"pillar_content":false,"robots_default":true,"robots_noindex":false,"robots_noarchive":false,"robots_nosnippet":false,"robots_nofollow":false,"robots_noimageindex":false,"robots_noodp":false,"robots_notranslate":false,"robots_max_snippet":null,"robots_max_videopreview":null,"robots_max_imagepreview":"large","priority":null,"frequency":null,"local_seo":null,"limit_modified_date":false,"created":"2024-10-28 16:48:59","updated":"2026-08-04 11:33:58","ai":null,"breadcrumb_settings":null,"seo_analyzer_scan_date":null},"aioseo_breadcrumb":"<div class=\"aioseo-breadcrumbs\"><span class=\"aioseo-breadcrumb\">\n\t\t\t<a href=\"https:\/\/innovationspace.ansys.com\/forum\" title=\"Home\">Home<\/a>\n\t\t<\/span><span class=\"aioseo-breadcrumb-separator\">&raquo;<\/span><span class=\"aioseo-breadcrumb\">\n\t\t\tReply To: Transonic Drag Under Predicted significantly\n\t\t<\/span><\/div>","aioseo_breadcrumb_json":[{"label":"Home","link":"https:\/\/innovationspace.ansys.com\/forum"},{"label":"Reply To: Transonic Drag Under Predicted significantly","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/361991\/"}],"acf":[],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/replies\/361991","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/replies"}],"about":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/types\/reply"}],"version-history":[{"count":0,"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/replies\/361991\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=361991"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}