{"id":362349,"date":"2024-04-16T00:04:18","date_gmt":"2024-04-16T00:04:18","guid":{"rendered":"\/forum\/forums\/topic\/fluent-supersonic-engine-issues\/"},"modified":"2024-04-16T00:04:18","modified_gmt":"2024-04-16T00:04:18","slug":"fluent-supersonic-engine-issues","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/fluent-supersonic-engine-issues\/","title":{"rendered":"Fluent Supersonic Engine Issues"},"content":{"rendered":"<p>I am designing a ramjet for fun. I have simulated supersonic flows (density-based, k-epsilon, ideal-gas, pressure-farfields as boundary conditions, etc.) Now, I need to simulate the reaction, and the only model allowed when using density-based is species transport. I turn on volumetric reactions, eddy-dissipation, and hydrogen-air species. I keep getting these errors with these settings, and I do not know how to fix them. Any help will be greatly appreciated. First picture is the cross section of engine and second picture is the errors.<img decoding=\"async\" src=\"https:\/\/preview.redd.it\/fluent-supersonic-engine-v0-9r7n5e9xxiuc1.png?width=1867&amp;format=png&amp;auto=webp&amp;s=ecac472ac817cd57e7a0e462fc1fe69e2e306740\" alt=\"r\/CFD - Fluent Supersonic Engine\"><img decoding=\"async\" src=\"https:\/\/preview.redd.it\/fluent-supersonic-engine-v0-feg9sft2yiuc1.png?width=1359&amp;format=png&amp;auto=webp&amp;s=9386a9d1cdce0d2dd33e42bf8e3bbc898a93f253\" alt=\"r\/CFD - Fluent Supersonic Engine\"><\/p>\n","protected":false},"template":"","class_list":["post-362349","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=\"I am designing a ramjet for fun. I have simulated supersonic flows (density-based, k-epsilon, ideal-gas, pressure-farfields as boundary conditions, etc.) Now, I need to simulate the reaction, and the only model allowed when using density-based is species transport. I turn on volumetric reactions, eddy-dissipation, and hydrogen-air species. I keep getting these errors with these settings,\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/fluent-supersonic-engine-issues\/\" \/>\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=\"Fluent Supersonic Engine Issues | Ansys Learning Forum\" \/>\n\t\t<meta property=\"og:description\" content=\"I am designing a ramjet for fun. I have simulated supersonic flows (density-based, k-epsilon, ideal-gas, pressure-farfields as boundary conditions, etc.) Now, I need to simulate the reaction, and the only model allowed when using density-based is species transport. I turn on volumetric reactions, eddy-dissipation, and hydrogen-air species. 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I have simulated supersonic flows (density-based, k-epsilon, ideal-gas, pressure-farfields as boundary conditions, etc.) Now, I need to simulate the reaction, and the only model allowed when using density-based is species transport. I turn on volumetric reactions, eddy-dissipation, and hydrogen-air species. 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I have simulated supersonic flows (density-based, k-epsilon, ideal-gas, pressure-farfields as boundary conditions, etc.) Now, I need to simulate the reaction, and the only model allowed when using density-based is species transport. I turn on volumetric reactions, eddy-dissipation, and hydrogen-air species. 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I have simulated supersonic flows (density-based, k-epsilon, ideal-gas, pressure-farfields as boundary conditions, etc.) Now, I need to simulate the reaction, and the only model allowed when using density-based is species transport. I turn on volumetric reactions, eddy-dissipation, and hydrogen-air species. 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I have simulated supersonic flows (density-based, k-epsilon, ideal-gas, pressure-farfields as boundary conditions, etc.) Now, I need to simulate the reaction, and the only model allowed when using density-based is species transport. I turn on volumetric reactions, eddy-dissipation, and hydrogen-air species. I keep getting these errors with these settings,","twitter:image":"https:\/\/preview.redd.it\/fluent-supersonic-engine-v0-9r7n5e9xxiuc1.png?width=1867&amp;format=png&amp;auto=webp&amp;s=ecac472ac817cd57e7a0e462fc1fe69e2e306740"},"aioseo_meta_data":{"post_id":"362349","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 16:47:11","updated":"2024-10-28 16:47:11","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\t<a href=\"https:\/\/innovationspace.ansys.com\/forum\/topics\/\" title=\"Topics\">Topics<\/a>\n\t\t<\/span><span class=\"aioseo-breadcrumb-separator\">&raquo;<\/span><span class=\"aioseo-breadcrumb\">\n\t\t\tFluent Supersonic Engine Issues\n\t\t<\/span><\/div>","aioseo_breadcrumb_json":[{"label":"Home","link":"https:\/\/innovationspace.ansys.com\/forum"},{"label":"Topics","link":"https:\/\/innovationspace.ansys.com\/forum\/topics\/"},{"label":"Fluent Supersonic Engine Issues","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/fluent-supersonic-engine-issues\/"}],"acf":[],"custom_fields":[{"0":{"_bbp_subscription":["343716","199"],"_bbp_author_ip":["23.52.43.88"]," _bbp_last_reply_id":["0"]," _bbp_likes_count":["0"],"_btv_view_count":["198"],"_bbp_topic_status":["unanswered"],"_bbp_topic_id":["362349"],"_bbp_forum_id":["27792"],"_bbp_engagement":["199","343716"],"_bbp_voice_count":["2"],"_bbp_reply_count":["1"],"_bbp_last_reply_id":["362444"],"_bbp_last_active_id":["362444"],"_bbp_last_active_time":["2024-04-16 10:35:38"]},"test":"ndonetoiastate-edu"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/362349","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics"}],"about":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/types\/topic"}],"version-history":[{"count":0,"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/362349\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=362349"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}