{"id":166066,"date":"2023-03-17T13:10:58","date_gmt":"2023-03-17T13:10:58","guid":{"rendered":"\/knowledge\/forums\/topic\/how-do-i-improve-computational-performance\/"},"modified":"2023-07-31T12:27:15","modified_gmt":"2023-07-31T12:27:15","slug":"how-do-i-improve-computational-performance","status":"publish","type":"topic","link":"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/how-do-i-improve-computational-performance\/","title":{"rendered":"How do I improve computational performance?"},"content":{"rendered":"<p>The following description applies to Fluent versions before 18.0. Starting with Fluent 18.0, the steps are done automatically when loading a case.   In Fluent, there is a function that improves computational performance of the solver. During calculation, it will read the nodes, faces, and cells that are stored in the main memory more efficiently. To use it, go to  Grid->Reorder->Domain.   Afterwards, the following message will appear:  >>Reordering domain using Reverse Cuthill-Mckee method: zones, cell, faces, done. Bandwidth reduction = 809\/21 = 38.52 Done.  The larger the mesh size, the more effective reordering the domain will be.  After the operation, be sure to save a new case file and data file. <\/p>\n<p>Attachments:<br \/>\n1. <a href=https:\/\/ansys13.ansys.com\/KnowledgeArticles\/Phase-1\/2041635\/2041635.pdf>2041635.pdf<\/a><\/p>\n","protected":false},"template":"","class_list":["post-166066","topic","type-topic","status-publish","hentry","topic-tag-17-2","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=\"The following description applies to Fluent versions before 18.0. Starting with Fluent 18.0, the steps are done automatically when loading a case. In Fluent, there is a function that improves computational performance of the solver. During calculation, it will read the nodes, faces, and cells that are stored in the main memory more efficiently. To\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/how-do-i-improve-computational-performance\/\" \/>\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 do I improve computational performance? | Ansys Knowledge\" \/>\n\t\t<meta property=\"og:description\" content=\"The following description applies to Fluent versions before 18.0. Starting with Fluent 18.0, the steps are done automatically when loading a case. In Fluent, there is a function that improves computational performance of the solver. During calculation, it will read the nodes, faces, and cells that are stored in the main memory more efficiently. To\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/how-do-i-improve-computational-performance\/\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2023-03-17T13:10:58+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2023-07-31T12:27:15+00:00\" \/>\n\t\t<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n\t\t<meta name=\"twitter:title\" content=\"How do I improve computational performance? | Ansys Knowledge\" \/>\n\t\t<meta name=\"twitter:description\" content=\"The following description applies to Fluent versions before 18.0. Starting with Fluent 18.0, the steps are done automatically when loading a case. In Fluent, there is a function that improves computational performance of the solver. During calculation, it will read the nodes, faces, and cells that are stored in the main memory more efficiently. To\" \/>\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-do-i-improve-computational-performance\\\/#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-do-i-improve-computational-performance\\\/#listItem\",\"name\":\"How do I improve computational performance?\"},\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/topics\\\/#listItem\",\"name\":\"Topics\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/forums\\\/topic\\\/how-do-i-improve-computational-performance\\\/#listItem\",\"position\":4,\"name\":\"How do I improve computational performance?\",\"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-do-i-improve-computational-performance\\\/#webpage\",\"url\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/forums\\\/topic\\\/how-do-i-improve-computational-performance\\\/\",\"name\":\"How do I improve computational performance? | Ansys Knowledge\",\"description\":\"The following description applies to Fluent versions before 18.0. Starting with Fluent 18.0, the steps are done automatically when loading a case. In Fluent, there is a function that improves computational performance of the solver. During calculation, it will read the nodes, faces, and cells that are stored in the main memory more efficiently. To\",\"inLanguage\":\"en-US\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/#website\"},\"breadcrumb\":{\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/forums\\\/topic\\\/how-do-i-improve-computational-performance\\\/#breadcrumblist\"},\"datePublished\":\"2023-03-17T13:10:58+00:00\",\"dateModified\":\"2023-07-31T12:27:15+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 do I improve computational performance? | Ansys Knowledge","description":"The following description applies to Fluent versions before 18.0. Starting with Fluent 18.0, the steps are done automatically when loading a case. In Fluent, there is a function that improves computational performance of the solver. During calculation, it will read the nodes, faces, and cells that are stored in the main memory more efficiently. To","canonical_url":"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/how-do-i-improve-computational-performance\/","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-do-i-improve-computational-performance\/#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-do-i-improve-computational-performance\/#listItem","name":"How do I improve computational performance?"},"previousItem":{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/knowledge\/topics\/#listItem","name":"Topics"}},{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/how-do-i-improve-computational-performance\/#listItem","position":4,"name":"How do I improve computational performance?","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-do-i-improve-computational-performance\/#webpage","url":"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/how-do-i-improve-computational-performance\/","name":"How do I improve computational performance? | Ansys Knowledge","description":"The following description applies to Fluent versions before 18.0. Starting with Fluent 18.0, the steps are done automatically when loading a case. In Fluent, there is a function that improves computational performance of the solver. During calculation, it will read the nodes, faces, and cells that are stored in the main memory more efficiently. To","inLanguage":"en-US","isPartOf":{"@id":"https:\/\/innovationspace.ansys.com\/knowledge\/#website"},"breadcrumb":{"@id":"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/how-do-i-improve-computational-performance\/#breadcrumblist"},"datePublished":"2023-03-17T13:10:58+00:00","dateModified":"2023-07-31T12:27:15+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 do I improve computational performance? | Ansys Knowledge","og:description":"The following description applies to Fluent versions before 18.0. Starting with Fluent 18.0, the steps are done automatically when loading a case. In Fluent, there is a function that improves computational performance of the solver. During calculation, it will read the nodes, faces, and cells that are stored in the main memory more efficiently. To","og:url":"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/how-do-i-improve-computational-performance\/","article:published_time":"2023-03-17T13:10:58+00:00","article:modified_time":"2023-07-31T12:27:15+00:00","twitter:card":"summary_large_image","twitter:title":"How do I improve computational performance? | Ansys Knowledge","twitter:description":"The following description applies to Fluent versions before 18.0. Starting with Fluent 18.0, the steps are done automatically when loading a case. In Fluent, there is a function that improves computational performance of the solver. During calculation, it will read the nodes, faces, and cells that are stored in the main memory more efficiently. To"},"aioseo_meta_data":{"post_id":"166066","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 22:43:57","updated":"2026-07-30 13:10:44","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 do I improve computational performance?\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 do I improve computational performance?","link":"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/how-do-i-improve-computational-performance\/"}],"acf":[],"custom_fields":[{"0":{"_wp_page_template":["default"],"_bbp_last_active_time":["3-15-2023  20:20:02"],"_bbp_forum_id":["27796"],"_bbp_author_ip":["23.56.168.180"],"_btv_view_count":["1238"],"siebel_km_number":["2041635"],"product_version":["17.2"],"km_published_date":["2016-03-11T23:07:07.000Z"],"family":["Fluid Dynamics"],"application_name":["FLUENT"]},"test":"solution"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/knowledge\/wp-json\/wp\/v2\/topics\/166066","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\/166066\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/knowledge\/wp-json\/wp\/v2\/media?parent=166066"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}