{"id":165987,"date":"2023-03-17T13:10:47","date_gmt":"2023-03-17T13:10:47","guid":{"rendered":"\/knowledge\/forums\/topic\/how-to-replace-instantaneous-values-with-mean-values-for-a-transient-simulation\/"},"modified":"2023-07-31T12:27:06","modified_gmt":"2023-07-31T12:27:06","slug":"how-to-replace-instantaneous-values-with-mean-values-for-a-transient-simulation","status":"publish","type":"topic","link":"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/how-to-replace-instantaneous-values-with-mean-values-for-a-transient-simulation\/","title":{"rendered":"How to replace instantaneous values with mean values for a transient simulation"},"content":{"rendered":"<p>After performing a transient simulations, it might be desirable to replace instantaneous values with the mean values obtained from time sampling. One usage is to perform one-way coupled steady DPM particle tracking that accesses mean quantities (rather than the instantaneous quantities that are available by default).    The attached resolution document describes how to use Custom Field Functions to make this substitution.<\/p>\n<p>Attachments:<br \/>\n1. <a href=https:\/\/ansys13.ansys.com\/KnowledgeArticles\/Phase-1\/2052868\/2052868.pdf>2052868.pdf<\/a><\/p>\n","protected":false},"template":"","class_list":["post-165987","topic","type-topic","status-publish","hentry","topic-tag-18-1","topic-tag-custom-field-functions","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=\"After performing a transient simulations, it might be desirable to replace instantaneous values with the mean values obtained from time sampling. One usage is to perform one-way coupled steady DPM particle tracking that accesses mean quantities (rather than the instantaneous quantities that are available by default). The attached resolution document describes how to use Custom\" \/>\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-replace-instantaneous-values-with-mean-values-for-a-transient-simulation\/\" \/>\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 replace instantaneous values with mean values for a transient simulation | Ansys Knowledge\" \/>\n\t\t<meta property=\"og:description\" content=\"After performing a transient simulations, it might be desirable to replace instantaneous values with the mean values obtained from time sampling. One usage is to perform one-way coupled steady DPM particle tracking that accesses mean quantities (rather than the instantaneous quantities that are available by default). The attached resolution document describes how to use Custom\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/how-to-replace-instantaneous-values-with-mean-values-for-a-transient-simulation\/\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2023-03-17T13:10:47+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2023-07-31T12:27:06+00:00\" \/>\n\t\t<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n\t\t<meta name=\"twitter:title\" content=\"How to replace instantaneous values with mean values for a transient simulation | Ansys Knowledge\" \/>\n\t\t<meta name=\"twitter:description\" content=\"After performing a transient simulations, it might be desirable to replace instantaneous values with the mean values obtained from time sampling. One usage is to perform one-way coupled steady DPM particle tracking that accesses mean quantities (rather than the instantaneous quantities that are available by default). The attached resolution document describes how to use Custom\" \/>\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-replace-instantaneous-values-with-mean-values-for-a-transient-simulation\\\/#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-replace-instantaneous-values-with-mean-values-for-a-transient-simulation\\\/#listItem\",\"name\":\"How to replace instantaneous values with mean values for a transient simulation\"},\"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-replace-instantaneous-values-with-mean-values-for-a-transient-simulation\\\/#listItem\",\"position\":4,\"name\":\"How to replace instantaneous values with mean values for a transient simulation\",\"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-replace-instantaneous-values-with-mean-values-for-a-transient-simulation\\\/#webpage\",\"url\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/forums\\\/topic\\\/how-to-replace-instantaneous-values-with-mean-values-for-a-transient-simulation\\\/\",\"name\":\"How to replace instantaneous values with mean values for a transient simulation | Ansys Knowledge\",\"description\":\"After performing a transient simulations, it might be desirable to replace instantaneous values with the mean values obtained from time sampling. One usage is to perform one-way coupled steady DPM particle tracking that accesses mean quantities (rather than the instantaneous quantities that are available by default). The attached resolution document describes how to use Custom\",\"inLanguage\":\"en-US\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/#website\"},\"breadcrumb\":{\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/forums\\\/topic\\\/how-to-replace-instantaneous-values-with-mean-values-for-a-transient-simulation\\\/#breadcrumblist\"},\"datePublished\":\"2023-03-17T13:10:47+00:00\",\"dateModified\":\"2023-07-31T12:27:06+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 replace instantaneous values with mean values for a transient simulation | Ansys Knowledge","description":"After performing a transient simulations, it might be desirable to replace instantaneous values with the mean values obtained from time sampling. One usage is to perform one-way coupled steady DPM particle tracking that accesses mean quantities (rather than the instantaneous quantities that are available by default). The attached resolution document describes how to use Custom","canonical_url":"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/how-to-replace-instantaneous-values-with-mean-values-for-a-transient-simulation\/","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-replace-instantaneous-values-with-mean-values-for-a-transient-simulation\/#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-replace-instantaneous-values-with-mean-values-for-a-transient-simulation\/#listItem","name":"How to replace instantaneous values with mean values for a transient simulation"},"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-replace-instantaneous-values-with-mean-values-for-a-transient-simulation\/#listItem","position":4,"name":"How to replace instantaneous values with mean values for a transient simulation","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-replace-instantaneous-values-with-mean-values-for-a-transient-simulation\/#webpage","url":"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/how-to-replace-instantaneous-values-with-mean-values-for-a-transient-simulation\/","name":"How to replace instantaneous values with mean values for a transient simulation | Ansys Knowledge","description":"After performing a transient simulations, it might be desirable to replace instantaneous values with the mean values obtained from time sampling. One usage is to perform one-way coupled steady DPM particle tracking that accesses mean quantities (rather than the instantaneous quantities that are available by default). The attached resolution document describes how to use Custom","inLanguage":"en-US","isPartOf":{"@id":"https:\/\/innovationspace.ansys.com\/knowledge\/#website"},"breadcrumb":{"@id":"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/how-to-replace-instantaneous-values-with-mean-values-for-a-transient-simulation\/#breadcrumblist"},"datePublished":"2023-03-17T13:10:47+00:00","dateModified":"2023-07-31T12:27:06+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 replace instantaneous values with mean values for a transient simulation | Ansys Knowledge","og:description":"After performing a transient simulations, it might be desirable to replace instantaneous values with the mean values obtained from time sampling. One usage is to perform one-way coupled steady DPM particle tracking that accesses mean quantities (rather than the instantaneous quantities that are available by default). The attached resolution document describes how to use Custom","og:url":"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/how-to-replace-instantaneous-values-with-mean-values-for-a-transient-simulation\/","article:published_time":"2023-03-17T13:10:47+00:00","article:modified_time":"2023-07-31T12:27:06+00:00","twitter:card":"summary_large_image","twitter:title":"How to replace instantaneous values with mean values for a transient simulation | Ansys Knowledge","twitter:description":"After performing a transient simulations, it might be desirable to replace instantaneous values with the mean values obtained from time sampling. One usage is to perform one-way coupled steady DPM particle tracking that accesses mean quantities (rather than the instantaneous quantities that are available by default). The attached resolution document describes how to use Custom"},"aioseo_meta_data":{"post_id":"165987","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 22:40:19","updated":"2026-07-30 12:54:39","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 replace instantaneous values with mean values for a transient simulation\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 replace instantaneous values with mean values for a transient simulation","link":"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/how-to-replace-instantaneous-values-with-mean-values-for-a-transient-simulation\/"}],"acf":[],"custom_fields":[{"0":{"_wp_page_template":["default"],"_bbp_last_active_time":["3-15-2023  20:20:46"],"_bbp_forum_id":["27796"],"_bbp_author_ip":["23.56.168.180"],"_btv_view_count":["1015"],"siebel_km_number":["2052868"],"product_version":["18.1"],"km_published_date":["2018-01-11T16:37:34.000Z"],"family":["Fluid Dynamics"],"application_name":["FLUENT"]},"test":"solution"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/knowledge\/wp-json\/wp\/v2\/topics\/165987","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\/165987\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/knowledge\/wp-json\/wp\/v2\/media?parent=165987"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}