


{"id":286493,"date":"2023-05-31T09:20:04","date_gmt":"2023-05-31T09:20:04","guid":{"rendered":"\/forum\/forums\/reply\/286493\/"},"modified":"2023-05-31T09:20:04","modified_gmt":"2023-05-31T09:20:04","slug":"286493","status":"publish","type":"reply","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/286493\/","title":{"rendered":"Reply To: Momentum Residuals"},"content":{"rendered":"<p>&lt;p&gt;Correct, it&#8217;s termed pseudo transient in that the results appear to be unsteady even with the steady solver. Not to be confused with the pseudo transient option in Fluent&#8217;s BPCS solver&#8230;. We did explain the likely confusion when we first saw the option.&nbsp;&lt;\/p&gt;&lt;p&gt;For high swirl have a look at RSM too. If it&#8217;s a proper cyclone use RSM. If it&#8217;s a cyclonic filter (ie tangential inlet but filter pack in the core) k-w may be OK. There&#8217;s a paper somewhere by Cokjlat, Slack &amp; others looking at poly mesh in cyclones: I can&#8217;t remember the title and don&#8217;t have a copy.&nbsp;&lt;\/p&gt;<\/p>\n","protected":false},"template":"","class_list":["post-286493","reply","type-reply","status-publish","hentry"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"Correct, it&#039;s termed pseudo transient in that the results appear to be unsteady even with the steady solver. Not to be confused with the pseudo transient option in Fluent&#039;s BPCS solver.... We did explain the likely confusion when we first saw the option. For high swirl have a look at RSM too. If it&#039;s a proper\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/286493\/\" \/>\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 Learning Forum | Ansys Innovation Space\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"Reply To: Momentum Residuals | Ansys Learning Forum\" \/>\n\t\t<meta property=\"og:description\" content=\"Correct, it&#039;s termed pseudo transient in that the results appear to be unsteady even with the steady solver. Not to be confused with the pseudo transient option in Fluent&#039;s BPCS solver.... We did explain the likely confusion when we first saw the option. For high swirl have a look at RSM too. If it&#039;s a proper\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/286493\/\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2023-05-31T09:20:04+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2023-05-31T09:20:04+00:00\" \/>\n\t\t<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n\t\t<meta name=\"twitter:title\" content=\"Reply To: Momentum Residuals | Ansys Learning Forum\" \/>\n\t\t<meta name=\"twitter:description\" content=\"Correct, it&#039;s termed pseudo transient in that the results appear to be unsteady even with the steady solver. Not to be confused with the pseudo transient option in Fluent&#039;s BPCS solver.... We did explain the likely confusion when we first saw the option. For high swirl have a look at RSM too. If it&#039;s a proper\" \/>\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\\\/forum\\\/forums\\\/reply\\\/286493\\\/#breadcrumblist\",\"itemListElement\":[{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum#listItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\",\"nextItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/reply\\\/286493\\\/#listItem\",\"name\":\"Reply To: Momentum Residuals\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/reply\\\/286493\\\/#listItem\",\"position\":2,\"name\":\"Reply To: Momentum Residuals\",\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum#listItem\",\"name\":\"Home\"}}]},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/#organization\",\"name\":\"Ansys Learning Forum\",\"description\":\"Ansys Innovation Space\",\"url\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/reply\\\/286493\\\/#webpage\",\"url\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/reply\\\/286493\\\/\",\"name\":\"Reply To: Momentum Residuals | Ansys Learning Forum\",\"description\":\"Correct, it's termed pseudo transient in that the results appear to be unsteady even with the steady solver. Not to be confused with the pseudo transient option in Fluent's BPCS solver.... We did explain the likely confusion when we first saw the option. For high swirl have a look at RSM too. If it's a proper\",\"inLanguage\":\"en-US\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/#website\"},\"breadcrumb\":{\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/reply\\\/286493\\\/#breadcrumblist\"},\"datePublished\":\"2023-05-31T09:20:04+00:00\",\"dateModified\":\"2023-05-31T09:20:04+00:00\"},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/#website\",\"url\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/\",\"name\":\"Ansys Learning Forum\",\"description\":\"Ansys Innovation Space\",\"inLanguage\":\"en-US\",\"publisher\":{\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/#organization\"}}]}\n\t\t<\/script>\n\t\t<!-- All in One SEO -->\n\n","aioseo_head_json":{"title":"Reply To: Momentum Residuals | Ansys Learning Forum","description":"Correct, it's termed pseudo transient in that the results appear to be unsteady even with the steady solver. Not to be confused with the pseudo transient option in Fluent's BPCS solver.... We did explain the likely confusion when we first saw the option. For high swirl have a look at RSM too. If it's a proper","canonical_url":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/286493\/","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"BreadcrumbList","@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/286493\/#breadcrumblist","itemListElement":[{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/forum#listItem","position":1,"name":"Home","item":"https:\/\/innovationspace.ansys.com\/forum","nextItem":{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/286493\/#listItem","name":"Reply To: Momentum Residuals"}},{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/286493\/#listItem","position":2,"name":"Reply To: Momentum Residuals","previousItem":{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/forum#listItem","name":"Home"}}]},{"@type":"Organization","@id":"https:\/\/innovationspace.ansys.com\/forum\/#organization","name":"Ansys Learning Forum","description":"Ansys Innovation Space","url":"https:\/\/innovationspace.ansys.com\/forum\/"},{"@type":"WebPage","@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/286493\/#webpage","url":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/286493\/","name":"Reply To: Momentum Residuals | Ansys Learning Forum","description":"Correct, it's termed pseudo transient in that the results appear to be unsteady even with the steady solver. Not to be confused with the pseudo transient option in Fluent's BPCS solver.... We did explain the likely confusion when we first saw the option. For high swirl have a look at RSM too. If it's a proper","inLanguage":"en-US","isPartOf":{"@id":"https:\/\/innovationspace.ansys.com\/forum\/#website"},"breadcrumb":{"@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/286493\/#breadcrumblist"},"datePublished":"2023-05-31T09:20:04+00:00","dateModified":"2023-05-31T09:20:04+00:00"},{"@type":"WebSite","@id":"https:\/\/innovationspace.ansys.com\/forum\/#website","url":"https:\/\/innovationspace.ansys.com\/forum\/","name":"Ansys Learning Forum","description":"Ansys Innovation Space","inLanguage":"en-US","publisher":{"@id":"https:\/\/innovationspace.ansys.com\/forum\/#organization"}}]},"og:locale":"en_US","og:site_name":"Ansys Learning Forum | Ansys Innovation Space","og:type":"article","og:title":"Reply To: Momentum Residuals | Ansys Learning Forum","og:description":"Correct, it's termed pseudo transient in that the results appear to be unsteady even with the steady solver. Not to be confused with the pseudo transient option in Fluent's BPCS solver.... We did explain the likely confusion when we first saw the option. For high swirl have a look at RSM too. If it's a proper","og:url":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/286493\/","article:published_time":"2023-05-31T09:20:04+00:00","article:modified_time":"2023-05-31T09:20:04+00:00","twitter:card":"summary_large_image","twitter:title":"Reply To: Momentum Residuals | Ansys Learning Forum","twitter:description":"Correct, it's termed pseudo transient in that the results appear to be unsteady even with the steady solver. Not to be confused with the pseudo transient option in Fluent's BPCS solver.... We did explain the likely confusion when we first saw the option. For high swirl have a look at RSM too. If it's a proper"},"aioseo_meta_data":{"post_id":"286493","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":"content","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":true,"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":"2024-10-28 18:06:19","updated":"2026-08-04 00:55:09","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\/forum\" title=\"Home\">Home<\/a>\n\t\t<\/span><span class=\"aioseo-breadcrumb-separator\">&raquo;<\/span><span class=\"aioseo-breadcrumb\">\n\t\t\tReply To: Momentum Residuals\n\t\t<\/span><\/div>","aioseo_breadcrumb_json":[{"label":"Home","link":"https:\/\/innovationspace.ansys.com\/forum"},{"label":"Reply To: Momentum Residuals","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/286493\/"}],"acf":[],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/replies\/286493","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/replies"}],"about":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/types\/reply"}],"version-history":[{"count":0,"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/replies\/286493\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=286493"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}