{"id":164980,"date":"2023-03-17T08:59:08","date_gmt":"2023-03-17T08:59:08","guid":{"rendered":"\/knowledge\/forums\/topic\/how-to-convert-wall-to-interior-in-fluent-meshing\/"},"modified":"2023-07-31T12:26:39","modified_gmt":"2023-07-31T12:26:39","slug":"how-to-convert-wall-to-interior-in-fluent-meshing","status":"publish","type":"topic","link":"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/how-to-convert-wall-to-interior-in-fluent-meshing\/","title":{"rendered":"How to convert wall to interior in Fluent Meshing?"},"content":{"rendered":"<p>1. In Fluent Meshing &#8211; watertight geometry workflow, the Describe geometry tab has an option of changing all fluid-fluid boundary types from wall to interior. You can use that to convert wall to interior.   2. Another option is you can select the boundaries that you want and change to whatever type of boundary you want to. To do so, go to Boundary > Manage. In the Manage Face Zones window, you can select the Face Zone Groups (in your case wall) and all the walls will be highlighted in the Face Zones. You can then change the Type to Interior from the drop down menu.<\/p>\n","protected":false},"template":"","class_list":["post-164980","topic","type-topic","status-publish","hentry","topic-tag-2022-r2","topic-tag-fluent","topic-tag-fluent-tgrid-polyhexcore","topic-tag-fluid-dynamics","topic-tag-na","topic-tag-preprocessing-geometry-meshing"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"1. In Fluent Meshing - watertight geometry workflow, the Describe geometry tab has an option of changing all fluid-fluid boundary types from wall to interior. You can use that to convert wall to interior. 2. Another option is you can select the boundaries that you want and change to whatever type of boundary you want\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/how-to-convert-wall-to-interior-in-fluent-meshing\/\" \/>\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=\"How to convert wall to interior in Fluent Meshing? | Ansys Knowledge\" \/>\n\t\t<meta property=\"og:description\" content=\"1. In Fluent Meshing - watertight geometry workflow, the Describe geometry tab has an option of changing all fluid-fluid boundary types from wall to interior. You can use that to convert wall to interior. 2. Another option is you can select the boundaries that you want and change to whatever type of boundary you want\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/how-to-convert-wall-to-interior-in-fluent-meshing\/\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2023-03-17T08:59:08+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2023-07-31T12:26:39+00:00\" \/>\n\t\t<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n\t\t<meta name=\"twitter:title\" content=\"How to convert wall to interior in Fluent Meshing? | Ansys Knowledge\" \/>\n\t\t<meta name=\"twitter:description\" content=\"1. In Fluent Meshing - watertight geometry workflow, the Describe geometry tab has an option of changing all fluid-fluid boundary types from wall to interior. You can use that to convert wall to interior. 2. Another option is you can select the boundaries that you want and change to whatever type of boundary you want\" \/>\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\\\/how-to-convert-wall-to-interior-in-fluent-meshing\\\/#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\\\/how-to-convert-wall-to-interior-in-fluent-meshing\\\/#listItem\",\"name\":\"How to convert wall to interior in Fluent Meshing?\"},\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/topics\\\/#listItem\",\"name\":\"Topics\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/forums\\\/topic\\\/how-to-convert-wall-to-interior-in-fluent-meshing\\\/#listItem\",\"position\":4,\"name\":\"How to convert wall to interior in Fluent Meshing?\",\"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\\\/how-to-convert-wall-to-interior-in-fluent-meshing\\\/#webpage\",\"url\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/forums\\\/topic\\\/how-to-convert-wall-to-interior-in-fluent-meshing\\\/\",\"name\":\"How to convert wall to interior in Fluent Meshing? | Ansys Knowledge\",\"description\":\"1. In Fluent Meshing - watertight geometry workflow, the Describe geometry tab has an option of changing all fluid-fluid boundary types from wall to interior. You can use that to convert wall to interior. 2. Another option is you can select the boundaries that you want and change to whatever type of boundary you want\",\"inLanguage\":\"en-US\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/#website\"},\"breadcrumb\":{\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/forums\\\/topic\\\/how-to-convert-wall-to-interior-in-fluent-meshing\\\/#breadcrumblist\"},\"datePublished\":\"2023-03-17T08:59:08+00:00\",\"dateModified\":\"2023-07-31T12:26:39+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":"How to convert wall to interior in Fluent Meshing? | Ansys Knowledge","description":"1. In Fluent Meshing - watertight geometry workflow, the Describe geometry tab has an option of changing all fluid-fluid boundary types from wall to interior. You can use that to convert wall to interior. 2. Another option is you can select the boundaries that you want and change to whatever type of boundary you want","canonical_url":"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/how-to-convert-wall-to-interior-in-fluent-meshing\/","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"BreadcrumbList","@id":"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/how-to-convert-wall-to-interior-in-fluent-meshing\/#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\/how-to-convert-wall-to-interior-in-fluent-meshing\/#listItem","name":"How to convert wall to interior in Fluent Meshing?"},"previousItem":{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/knowledge\/topics\/#listItem","name":"Topics"}},{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/how-to-convert-wall-to-interior-in-fluent-meshing\/#listItem","position":4,"name":"How to convert wall to interior in Fluent Meshing?","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\/how-to-convert-wall-to-interior-in-fluent-meshing\/#webpage","url":"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/how-to-convert-wall-to-interior-in-fluent-meshing\/","name":"How to convert wall to interior in Fluent Meshing? | Ansys Knowledge","description":"1. In Fluent Meshing - watertight geometry workflow, the Describe geometry tab has an option of changing all fluid-fluid boundary types from wall to interior. You can use that to convert wall to interior. 2. Another option is you can select the boundaries that you want and change to whatever type of boundary you want","inLanguage":"en-US","isPartOf":{"@id":"https:\/\/innovationspace.ansys.com\/knowledge\/#website"},"breadcrumb":{"@id":"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/how-to-convert-wall-to-interior-in-fluent-meshing\/#breadcrumblist"},"datePublished":"2023-03-17T08:59:08+00:00","dateModified":"2023-07-31T12:26:39+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":"How to convert wall to interior in Fluent Meshing? | Ansys Knowledge","og:description":"1. In Fluent Meshing - watertight geometry workflow, the Describe geometry tab has an option of changing all fluid-fluid boundary types from wall to interior. You can use that to convert wall to interior. 2. Another option is you can select the boundaries that you want and change to whatever type of boundary you want","og:url":"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/how-to-convert-wall-to-interior-in-fluent-meshing\/","article:published_time":"2023-03-17T08:59:08+00:00","article:modified_time":"2023-07-31T12:26:39+00:00","twitter:card":"summary_large_image","twitter:title":"How to convert wall to interior in Fluent Meshing? | Ansys Knowledge","twitter:description":"1. In Fluent Meshing - watertight geometry workflow, the Describe geometry tab has an option of changing all fluid-fluid boundary types from wall to interior. You can use that to convert wall to interior. 2. Another option is you can select the boundaries that you want and change to whatever type of boundary you want"},"aioseo_meta_data":{"post_id":"164980","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 21:47:35","updated":"2026-07-29 15:25:34","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\tHow to convert wall to interior in Fluent Meshing?\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":"How to convert wall to interior in Fluent Meshing?","link":"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/how-to-convert-wall-to-interior-in-fluent-meshing\/"}],"acf":[],"custom_fields":[{"0":{"_wp_page_template":["default"],"_bbp_last_active_time":["3-15-2023  20:20:01"],"_bbp_forum_id":["27796"],"_bbp_author_ip":["23.56.168.180"],"_btv_view_count":["9221"],"siebel_km_number":["2064737"],"product_version":["2022 R2"],"km_published_date":["2021-06-02T00:00:00.000Z"],"family":["Fluid Dynamics"],"application_name":["FLUENT"]},"test":"articlesansys-com"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/knowledge\/wp-json\/wp\/v2\/topics\/164980","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\/164980\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/knowledge\/wp-json\/wp\/v2\/media?parent=164980"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}