{"id":164651,"date":"2023-03-17T08:58:20","date_gmt":"2023-03-17T08:58:20","guid":{"rendered":"\/knowledge\/forums\/topic\/when-writing-out-partial-trn-files-not-full-trn-files-in-a-transient-simulation-the-mass-flow-averaging-does-not-function-correctly\/"},"modified":"2023-07-31T12:26:00","modified_gmt":"2023-07-31T12:26:00","slug":"when-writing-out-partial-trn-files-not-full-trn-files-in-a-transient-simulation-the-mass-flow-averaging-does-not-function-correctly","status":"publish","type":"topic","link":"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/when-writing-out-partial-trn-files-not-full-trn-files-in-a-transient-simulation-the-mass-flow-averaging-does-not-function-correctly\/","title":{"rendered":"When writing out partial TRN files (not full TRN files) in a transient simulation, the mass flow averaging does not function correctly"},"content":{"rendered":"<p>When writing out partial TRN files (not full TRN files) in a transient simulation, the mass flow averaging does not function correctly, as the integration point (IP) mass flows are not stored in the partial TRN files by default. How to get this.    Setting the undocumented expert parameter &#8220;mfloip to trn files = t&#8221; in the CCL will cause CFX to write out also the IP mass flows to partial TRN files to enable the user to perform mass-flow averages in CFX-Post.<\/p>\n","protected":false},"template":"","class_list":["post-164651","topic","type-topic","status-publish","hentry","topic-tag-4424","topic-tag-cfd-post","topic-tag-fluid-dynamics","topic-tag-general"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"When writing out partial TRN files (not full TRN files) in a transient simulation, the mass flow averaging does not function correctly, as the integration point (IP) mass flows are not stored in the partial TRN files by default. How to get this. Setting the undocumented expert parameter &quot;mfloip to trn files = t&quot; in\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/when-writing-out-partial-trn-files-not-full-trn-files-in-a-transient-simulation-the-mass-flow-averaging-does-not-function-correctly\/\" \/>\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=\"When writing out partial TRN files (not full TRN files) in a transient simulation, the mass flow averaging does not function correctly | Ansys Knowledge\" \/>\n\t\t<meta property=\"og:description\" content=\"When writing out partial TRN files (not full TRN files) in a transient simulation, the mass flow averaging does not function correctly, as the integration point (IP) mass flows are not stored in the partial TRN files by default. How to get this. Setting the undocumented expert parameter &quot;mfloip to trn files = t&quot; in\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/when-writing-out-partial-trn-files-not-full-trn-files-in-a-transient-simulation-the-mass-flow-averaging-does-not-function-correctly\/\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2023-03-17T08:58:20+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2023-07-31T12:26:00+00:00\" \/>\n\t\t<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n\t\t<meta name=\"twitter:title\" content=\"When writing out partial TRN files (not full TRN files) in a transient simulation, the mass flow averaging does not function correctly | Ansys Knowledge\" \/>\n\t\t<meta name=\"twitter:description\" content=\"When writing out partial TRN files (not full TRN files) in a transient simulation, the mass flow averaging does not function correctly, as the integration point (IP) mass flows are not stored in the partial TRN files by default. How to get this. Setting the undocumented expert parameter &quot;mfloip to trn files = t&quot; in\" \/>\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\\\/when-writing-out-partial-trn-files-not-full-trn-files-in-a-transient-simulation-the-mass-flow-averaging-does-not-function-correctly\\\/#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\\\/cfd-post\\\/#listItem\",\"name\":\"cfd-post\"},\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge#listItem\",\"name\":\"Home\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/forums\\\/topic-tag\\\/cfd-post\\\/#listItem\",\"position\":3,\"name\":\"cfd-post\",\"item\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/forums\\\/topic-tag\\\/cfd-post\\\/\",\"nextItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/forums\\\/topic\\\/when-writing-out-partial-trn-files-not-full-trn-files-in-a-transient-simulation-the-mass-flow-averaging-does-not-function-correctly\\\/#listItem\",\"name\":\"When writing out partial TRN files (not full TRN files) in a transient simulation, the mass flow averaging does not function correctly\"},\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/topics\\\/#listItem\",\"name\":\"Topics\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/forums\\\/topic\\\/when-writing-out-partial-trn-files-not-full-trn-files-in-a-transient-simulation-the-mass-flow-averaging-does-not-function-correctly\\\/#listItem\",\"position\":4,\"name\":\"When writing out partial TRN files (not full TRN files) in a transient simulation, the mass flow averaging does not function correctly\",\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/forums\\\/topic-tag\\\/cfd-post\\\/#listItem\",\"name\":\"cfd-post\"}}]},{\"@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\\\/when-writing-out-partial-trn-files-not-full-trn-files-in-a-transient-simulation-the-mass-flow-averaging-does-not-function-correctly\\\/#webpage\",\"url\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/forums\\\/topic\\\/when-writing-out-partial-trn-files-not-full-trn-files-in-a-transient-simulation-the-mass-flow-averaging-does-not-function-correctly\\\/\",\"name\":\"When writing out partial TRN files (not full TRN files) in a transient simulation, the mass flow averaging does not function correctly | Ansys Knowledge\",\"description\":\"When writing out partial TRN files (not full TRN files) in a transient simulation, the mass flow averaging does not function correctly, as the integration point (IP) mass flows are not stored in the partial TRN files by default. 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How to get this. 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