{"id":161593,"date":"2023-01-25T07:16:24","date_gmt":"2023-01-25T07:16:24","guid":{"rendered":"\/knowledge\/forums\/topic\/i-keep-getting-a-crash-at-the-very-start-of-my-fluent-calculation-when-a-3d-fan-zone-is-activated\/"},"modified":"2023-07-31T12:35:33","modified_gmt":"2023-07-31T12:35:33","slug":"i-keep-getting-a-crash-at-the-very-start-of-my-fluent-calculation-when-a-3d-fan-zone-is-activated","status":"publish","type":"topic","link":"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/i-keep-getting-a-crash-at-the-very-start-of-my-fluent-calculation-when-a-3d-fan-zone-is-activated\/","title":{"rendered":"I keep getting a crash at the very start of my Fluent calculation when a 3D fan zone is activated"},"content":{"rendered":"<p>When using a 3D Fan zone setup, one must input an &#8216;Inlet Fan Zone&#8217;. This zone is an &#8216;interior&#8217; zone that has to be planar for the calculation to be performed by Fluent : https:\/\/ansyshelp.ansys.com\/account\/secured?returnurl=\/Views\/Secured\/corp\/v191\/flu_ug\/flu_ug_sec_bc_3d_fan.html (chapter 6.2.4.2.1.)  If the inlet zone is not planar (e.g. the fan zone contain only one cylindrical boundary zone gathering the inlet, the outlet and the shroud area), it is possible that Fluent will crash at the start of the calculation<\/p>\n","protected":false},"template":"","class_list":["post-161593","topic","type-topic","status-publish","hentry","topic-tag-19-1","topic-tag-fluent","topic-tag-fluid-dynamics","topic-tag-general","topic-tag-general-fluent"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"When using a 3D Fan zone setup, one must input an &#039;Inlet Fan Zone&#039;. This zone is an &#039;interior&#039; zone that has to be planar for the calculation to be performed by Fluent : https:\/\/ansyshelp.ansys.com\/account\/secured?returnurl=\/Views\/Secured\/corp\/v191\/flu_ug\/flu_ug_sec_bc_3d_fan.html (chapter 6.2.4.2.1.) If the inlet zone is not planar (e.g. the fan zone contain only one cylindrical boundary zone gathering\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/i-keep-getting-a-crash-at-the-very-start-of-my-fluent-calculation-when-a-3d-fan-zone-is-activated\/\" \/>\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 Knowledge | Ansys Innovation Space\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"I keep getting a crash at the very start of my Fluent calculation when a 3D fan zone is activated | Ansys Knowledge\" \/>\n\t\t<meta property=\"og:description\" content=\"When using a 3D Fan zone setup, one must input an &#039;Inlet Fan Zone&#039;. This zone is an &#039;interior&#039; zone that has to be planar for the calculation to be performed by Fluent : https:\/\/ansyshelp.ansys.com\/account\/secured?returnurl=\/Views\/Secured\/corp\/v191\/flu_ug\/flu_ug_sec_bc_3d_fan.html (chapter 6.2.4.2.1.) If the inlet zone is not planar (e.g. the fan zone contain only one cylindrical boundary zone gathering\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/i-keep-getting-a-crash-at-the-very-start-of-my-fluent-calculation-when-a-3d-fan-zone-is-activated\/\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2023-01-25T07:16:24+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2023-07-31T12:35:33+00:00\" \/>\n\t\t<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n\t\t<meta name=\"twitter:title\" content=\"I keep getting a crash at the very start of my Fluent calculation when a 3D fan zone is activated | Ansys Knowledge\" \/>\n\t\t<meta name=\"twitter:description\" content=\"When using a 3D Fan zone setup, one must input an &#039;Inlet Fan Zone&#039;. This zone is an &#039;interior&#039; zone that has to be planar for the calculation to be performed by Fluent : https:\/\/ansyshelp.ansys.com\/account\/secured?returnurl=\/Views\/Secured\/corp\/v191\/flu_ug\/flu_ug_sec_bc_3d_fan.html (chapter 6.2.4.2.1.) If the inlet zone is not planar (e.g. the fan zone contain only one cylindrical boundary zone gathering\" \/>\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\\\/knowledge\\\/forums\\\/topic\\\/i-keep-getting-a-crash-at-the-very-start-of-my-fluent-calculation-when-a-3d-fan-zone-is-activated\\\/#breadcrumblist\",\"itemListElement\":[{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge#listItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\",\"nextItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/topics\\\/#listItem\",\"name\":\"Topics\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/topics\\\/#listItem\",\"position\":2,\"name\":\"Topics\",\"item\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/topics\\\/\",\"nextItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/forums\\\/topic-tag\\\/fluent\\\/#listItem\",\"name\":\"fluent\"},\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge#listItem\",\"name\":\"Home\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/forums\\\/topic-tag\\\/fluent\\\/#listItem\",\"position\":3,\"name\":\"fluent\",\"item\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/forums\\\/topic-tag\\\/fluent\\\/\",\"nextItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/forums\\\/topic\\\/i-keep-getting-a-crash-at-the-very-start-of-my-fluent-calculation-when-a-3d-fan-zone-is-activated\\\/#listItem\",\"name\":\"I keep getting a crash at the very start of my Fluent calculation when a 3D fan zone is activated\"},\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/topics\\\/#listItem\",\"name\":\"Topics\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/forums\\\/topic\\\/i-keep-getting-a-crash-at-the-very-start-of-my-fluent-calculation-when-a-3d-fan-zone-is-activated\\\/#listItem\",\"position\":4,\"name\":\"I keep getting a crash at the very start of my Fluent calculation when a 3D fan zone is activated\",\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/forums\\\/topic-tag\\\/fluent\\\/#listItem\",\"name\":\"fluent\"}}]},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/#organization\",\"name\":\"Ansys Knowledge\",\"description\":\"Ansys Innovation Space\",\"url\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/forums\\\/topic\\\/i-keep-getting-a-crash-at-the-very-start-of-my-fluent-calculation-when-a-3d-fan-zone-is-activated\\\/#webpage\",\"url\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/forums\\\/topic\\\/i-keep-getting-a-crash-at-the-very-start-of-my-fluent-calculation-when-a-3d-fan-zone-is-activated\\\/\",\"name\":\"I keep getting a crash at the very start of my Fluent calculation when a 3D fan zone is activated | Ansys Knowledge\",\"description\":\"When using a 3D Fan zone setup, one must input an 'Inlet Fan Zone'. This zone is an 'interior' zone that has to be planar for the calculation to be performed by Fluent : https:\\\/\\\/ansyshelp.ansys.com\\\/account\\\/secured?returnurl=\\\/Views\\\/Secured\\\/corp\\\/v191\\\/flu_ug\\\/flu_ug_sec_bc_3d_fan.html (chapter 6.2.4.2.1.) If the inlet zone is not planar (e.g. the fan zone contain only one cylindrical boundary zone gathering\",\"inLanguage\":\"en-US\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/#website\"},\"breadcrumb\":{\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/forums\\\/topic\\\/i-keep-getting-a-crash-at-the-very-start-of-my-fluent-calculation-when-a-3d-fan-zone-is-activated\\\/#breadcrumblist\"},\"datePublished\":\"2023-01-25T07:16:24+00:00\",\"dateModified\":\"2023-07-31T12:35:33+00:00\"},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/#website\",\"url\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/\",\"name\":\"Ansys Knowledge\",\"description\":\"Ansys Innovation Space\",\"inLanguage\":\"en-US\",\"publisher\":{\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/#organization\"}}]}\n\t\t<\/script>\n\t\t<!-- All in One SEO -->\n\n","aioseo_head_json":{"title":"I keep getting a crash at the very start of my Fluent calculation when a 3D fan zone is activated | Ansys Knowledge","description":"When using a 3D Fan zone setup, one must input an 'Inlet Fan Zone'. This zone is an 'interior' zone that has to be planar for the calculation to be performed by Fluent : https:\/\/ansyshelp.ansys.com\/account\/secured?returnurl=\/Views\/Secured\/corp\/v191\/flu_ug\/flu_ug_sec_bc_3d_fan.html (chapter 6.2.4.2.1.) If the inlet zone is not planar (e.g. the fan zone contain only one cylindrical boundary zone gathering","canonical_url":"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/i-keep-getting-a-crash-at-the-very-start-of-my-fluent-calculation-when-a-3d-fan-zone-is-activated\/","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"BreadcrumbList","@id":"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/i-keep-getting-a-crash-at-the-very-start-of-my-fluent-calculation-when-a-3d-fan-zone-is-activated\/#breadcrumblist","itemListElement":[{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/knowledge#listItem","position":1,"name":"Home","item":"https:\/\/innovationspace.ansys.com\/knowledge","nextItem":{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/knowledge\/topics\/#listItem","name":"Topics"}},{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/knowledge\/topics\/#listItem","position":2,"name":"Topics","item":"https:\/\/innovationspace.ansys.com\/knowledge\/topics\/","nextItem":{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic-tag\/fluent\/#listItem","name":"fluent"},"previousItem":{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/knowledge#listItem","name":"Home"}},{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic-tag\/fluent\/#listItem","position":3,"name":"fluent","item":"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic-tag\/fluent\/","nextItem":{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/i-keep-getting-a-crash-at-the-very-start-of-my-fluent-calculation-when-a-3d-fan-zone-is-activated\/#listItem","name":"I keep getting a crash at the very start of my Fluent calculation when a 3D fan zone is activated"},"previousItem":{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/knowledge\/topics\/#listItem","name":"Topics"}},{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/i-keep-getting-a-crash-at-the-very-start-of-my-fluent-calculation-when-a-3d-fan-zone-is-activated\/#listItem","position":4,"name":"I keep getting a crash at the very start of my Fluent calculation when a 3D fan zone is activated","previousItem":{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic-tag\/fluent\/#listItem","name":"fluent"}}]},{"@type":"Organization","@id":"https:\/\/innovationspace.ansys.com\/knowledge\/#organization","name":"Ansys Knowledge","description":"Ansys Innovation Space","url":"https:\/\/innovationspace.ansys.com\/knowledge\/"},{"@type":"WebPage","@id":"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/i-keep-getting-a-crash-at-the-very-start-of-my-fluent-calculation-when-a-3d-fan-zone-is-activated\/#webpage","url":"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/i-keep-getting-a-crash-at-the-very-start-of-my-fluent-calculation-when-a-3d-fan-zone-is-activated\/","name":"I keep getting a crash at the very start of my Fluent calculation when a 3D fan zone is activated | Ansys Knowledge","description":"When using a 3D Fan zone setup, one must input an 'Inlet Fan Zone'. This zone is an 'interior' zone that has to be planar for the calculation to be performed by Fluent : https:\/\/ansyshelp.ansys.com\/account\/secured?returnurl=\/Views\/Secured\/corp\/v191\/flu_ug\/flu_ug_sec_bc_3d_fan.html (chapter 6.2.4.2.1.) If the inlet zone is not planar (e.g. the fan zone contain only one cylindrical boundary zone gathering","inLanguage":"en-US","isPartOf":{"@id":"https:\/\/innovationspace.ansys.com\/knowledge\/#website"},"breadcrumb":{"@id":"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/i-keep-getting-a-crash-at-the-very-start-of-my-fluent-calculation-when-a-3d-fan-zone-is-activated\/#breadcrumblist"},"datePublished":"2023-01-25T07:16:24+00:00","dateModified":"2023-07-31T12:35:33+00:00"},{"@type":"WebSite","@id":"https:\/\/innovationspace.ansys.com\/knowledge\/#website","url":"https:\/\/innovationspace.ansys.com\/knowledge\/","name":"Ansys Knowledge","description":"Ansys Innovation Space","inLanguage":"en-US","publisher":{"@id":"https:\/\/innovationspace.ansys.com\/knowledge\/#organization"}}]},"og:locale":"en_US","og:site_name":"Ansys Knowledge | Ansys Innovation Space","og:type":"article","og:title":"I keep getting a crash at the very start of my Fluent calculation when a 3D fan zone is activated | Ansys Knowledge","og:description":"When using a 3D Fan zone setup, one must input an 'Inlet Fan Zone'. This zone is an 'interior' zone that has to be planar for the calculation to be performed by Fluent : https:\/\/ansyshelp.ansys.com\/account\/secured?returnurl=\/Views\/Secured\/corp\/v191\/flu_ug\/flu_ug_sec_bc_3d_fan.html (chapter 6.2.4.2.1.) If the inlet zone is not planar (e.g. the fan zone contain only one cylindrical boundary zone gathering","og:url":"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/i-keep-getting-a-crash-at-the-very-start-of-my-fluent-calculation-when-a-3d-fan-zone-is-activated\/","article:published_time":"2023-01-25T07:16:24+00:00","article:modified_time":"2023-07-31T12:35:33+00:00","twitter:card":"summary_large_image","twitter:title":"I keep getting a crash at the very start of my Fluent calculation when a 3D fan zone is activated | Ansys Knowledge","twitter:description":"When using a 3D Fan zone setup, one must input an 'Inlet Fan Zone'. This zone is an 'interior' zone that has to be planar for the calculation to be performed by Fluent : https:\/\/ansyshelp.ansys.com\/account\/secured?returnurl=\/Views\/Secured\/corp\/v191\/flu_ug\/flu_ug_sec_bc_3d_fan.html (chapter 6.2.4.2.1.) If the inlet zone is not planar (e.g. the fan zone contain only one cylindrical boundary zone gathering"},"aioseo_meta_data":{"post_id":"161593","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":"default","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":false,"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":"2025-10-17 19:14:15","updated":"2026-07-29 05:36:32","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\/knowledge\" 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\/knowledge\/topics\/\" title=\"Topics\">Topics<\/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\/knowledge\/forums\/topic-tag\/fluent\/\" title=\"fluent\">fluent<\/a>\n\t\t<\/span><span class=\"aioseo-breadcrumb-separator\">&raquo;<\/span><span class=\"aioseo-breadcrumb\">\n\t\t\tI keep getting a crash at the very start of my Fluent calculation when a 3D fan zone is activated\n\t\t<\/span><\/div>","aioseo_breadcrumb_json":[{"label":"Home","link":"https:\/\/innovationspace.ansys.com\/knowledge"},{"label":"Topics","link":"https:\/\/innovationspace.ansys.com\/knowledge\/topics\/"},{"label":"fluent","link":"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic-tag\/fluent\/"},{"label":"I keep getting a crash at the very start of my Fluent calculation when a 3D fan zone is activated","link":"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/i-keep-getting-a-crash-at-the-very-start-of-my-fluent-calculation-when-a-3d-fan-zone-is-activated\/"}],"acf":[],"custom_fields":[{"0":{"_wp_page_template":["default"],"_bbp_forum_id":["27796"],"_bbp_author_ip":["23.56.168.180"],"_bbp_last_active_time":["1-24-2023  20:20:16"],"_btv_view_count":["1035"],"siebel_km_number":["2056128"],"product_version":["19.1"],"km_published_date":["2018-08-28T19:25:55.000Z"],"family":["Fluid Dynamics"],"application_name":["FLUENT"]},"test":"articlesansys-com"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/knowledge\/wp-json\/wp\/v2\/topics\/161593","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/innovationspace.ansys.com\/knowledge\/wp-json\/wp\/v2\/topics"}],"about":[{"href":"https:\/\/innovationspace.ansys.com\/knowledge\/wp-json\/wp\/v2\/types\/topic"}],"version-history":[{"count":0,"href":"https:\/\/innovationspace.ansys.com\/knowledge\/wp-json\/wp\/v2\/topics\/161593\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/knowledge\/wp-json\/wp\/v2\/media?parent=161593"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}