


{"id":377875,"date":"2024-08-11T15:10:32","date_gmt":"2024-08-11T15:10:32","guid":{"rendered":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/rocky-fluent-coupling-2\/"},"modified":"2024-08-11T15:10:32","modified_gmt":"2024-08-11T15:10:32","slug":"rocky-fluent-coupling-2","status":"publish","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/rocky-fluent-coupling-2\/","title":{"rendered":"Rocky-Fluent coupling"},"content":{"rendered":"<p>Hi,<\/p>\n<p>&nbsp;<\/p>\n<p>I am seeing a convergence issue with my CFD-DEM coupling simulation. first that i run my fluent to get my case and data all the parameters converge with 10 iterations . when I use those case and date for the Rocky, beginning of the simulation all converge in 10 iterations but as simulation goes on it needs more iterations to converge( 30 to 40) and that is just for the continuty the rest converge with a few iterations. i tried lowering the time step and still it is happaning. what should i do that during the whole simulation continuty converge as it does beginning of the simulation?<\/p>\n<p>Thanks&nbsp;<\/p>\n","protected":false},"template":"","class_list":["post-377875","topic","type-topic","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=\"Hi, I am seeing a convergence issue with my CFD-DEM coupling simulation. first that i run my fluent to get my case and data all the parameters converge with 10 iterations . when I use those case and date for the Rocky, beginning of the simulation all converge in 10 iterations but as simulation goes on\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/rocky-fluent-coupling-2\/\" \/>\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=\"Rocky-Fluent coupling | Ansys Learning Forum\" \/>\n\t\t<meta property=\"og:description\" content=\"Hi, I am seeing a convergence issue with my CFD-DEM coupling simulation. first that i run my fluent to get my case and data all the parameters converge with 10 iterations . when I use those case and date for the Rocky, beginning of the simulation all converge in 10 iterations but as simulation goes on\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/rocky-fluent-coupling-2\/\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2024-08-11T15:10:32+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2024-08-11T15:10:32+00:00\" \/>\n\t\t<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n\t\t<meta name=\"twitter:title\" content=\"Rocky-Fluent coupling | Ansys Learning Forum\" \/>\n\t\t<meta name=\"twitter:description\" content=\"Hi, I am seeing a convergence issue with my CFD-DEM coupling simulation. first that i run my fluent to get my case and data all the parameters converge with 10 iterations . when I use those case and date for the Rocky, beginning of the simulation all converge in 10 iterations but as simulation goes on\" \/>\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\\\/topic\\\/rocky-fluent-coupling-2\\\/#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\\\/topics\\\/#listItem\",\"name\":\"Topics\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/topics\\\/#listItem\",\"position\":2,\"name\":\"Topics\",\"item\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/topics\\\/\",\"nextItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic\\\/rocky-fluent-coupling-2\\\/#listItem\",\"name\":\"Rocky-Fluent coupling\"},\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum#listItem\",\"name\":\"Home\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic\\\/rocky-fluent-coupling-2\\\/#listItem\",\"position\":3,\"name\":\"Rocky-Fluent coupling\",\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/topics\\\/#listItem\",\"name\":\"Topics\"}}]},{\"@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\\\/topic\\\/rocky-fluent-coupling-2\\\/#webpage\",\"url\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic\\\/rocky-fluent-coupling-2\\\/\",\"name\":\"Rocky-Fluent coupling | Ansys Learning Forum\",\"description\":\"Hi, I am seeing a convergence issue with my CFD-DEM coupling simulation. first that i run my fluent to get my case and data all the parameters converge with 10 iterations . when I use those case and date for the Rocky, beginning of the simulation all converge in 10 iterations but as simulation goes on\",\"inLanguage\":\"en-US\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/#website\"},\"breadcrumb\":{\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic\\\/rocky-fluent-coupling-2\\\/#breadcrumblist\"},\"datePublished\":\"2024-08-11T15:10:32+00:00\",\"dateModified\":\"2024-08-11T15:10:32+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":"Rocky-Fluent coupling | Ansys Learning Forum","description":"Hi, I am seeing a convergence issue with my CFD-DEM coupling simulation. first that i run my fluent to get my case and data all the parameters converge with 10 iterations . when I use those case and date for the Rocky, beginning of the simulation all converge in 10 iterations but as simulation goes on","canonical_url":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/rocky-fluent-coupling-2\/","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"BreadcrumbList","@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/rocky-fluent-coupling-2\/#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\/topics\/#listItem","name":"Topics"}},{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/forum\/topics\/#listItem","position":2,"name":"Topics","item":"https:\/\/innovationspace.ansys.com\/forum\/topics\/","nextItem":{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/rocky-fluent-coupling-2\/#listItem","name":"Rocky-Fluent coupling"},"previousItem":{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/forum#listItem","name":"Home"}},{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/rocky-fluent-coupling-2\/#listItem","position":3,"name":"Rocky-Fluent coupling","previousItem":{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/forum\/topics\/#listItem","name":"Topics"}}]},{"@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\/topic\/rocky-fluent-coupling-2\/#webpage","url":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/rocky-fluent-coupling-2\/","name":"Rocky-Fluent coupling | Ansys Learning Forum","description":"Hi, I am seeing a convergence issue with my CFD-DEM coupling simulation. first that i run my fluent to get my case and data all the parameters converge with 10 iterations . when I use those case and date for the Rocky, beginning of the simulation all converge in 10 iterations but as simulation goes on","inLanguage":"en-US","isPartOf":{"@id":"https:\/\/innovationspace.ansys.com\/forum\/#website"},"breadcrumb":{"@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/rocky-fluent-coupling-2\/#breadcrumblist"},"datePublished":"2024-08-11T15:10:32+00:00","dateModified":"2024-08-11T15:10:32+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":"Rocky-Fluent coupling | Ansys Learning Forum","og:description":"Hi, I am seeing a convergence issue with my CFD-DEM coupling simulation. first that i run my fluent to get my case and data all the parameters converge with 10 iterations . when I use those case and date for the Rocky, beginning of the simulation all converge in 10 iterations but as simulation goes on","og:url":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/rocky-fluent-coupling-2\/","article:published_time":"2024-08-11T15:10:32+00:00","article:modified_time":"2024-08-11T15:10:32+00:00","twitter:card":"summary_large_image","twitter:title":"Rocky-Fluent coupling | Ansys Learning Forum","twitter:description":"Hi, I am seeing a convergence issue with my CFD-DEM coupling simulation. first that i run my fluent to get my case and data all the parameters converge with 10 iterations . when I use those case and date for the Rocky, beginning of the simulation all converge in 10 iterations but as simulation goes on"},"aioseo_meta_data":{"post_id":"377875","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 16:33:46","updated":"2024-10-28 16:33:46","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\t<a href=\"https:\/\/innovationspace.ansys.com\/forum\/topics\/\" title=\"Topics\">Topics<\/a>\n\t\t<\/span><span class=\"aioseo-breadcrumb-separator\">&raquo;<\/span><span class=\"aioseo-breadcrumb\">\n\t\t\tRocky-Fluent coupling\n\t\t<\/span><\/div>","aioseo_breadcrumb_json":[{"label":"Home","link":"https:\/\/innovationspace.ansys.com\/forum"},{"label":"Topics","link":"https:\/\/innovationspace.ansys.com\/forum\/topics\/"},{"label":"Rocky-Fluent coupling","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/rocky-fluent-coupling-2\/"}],"acf":[],"custom_fields":[{"0":{"_bbp_subscription":["57165","199"],"_bbp_author_ip":["137.99.69.128"]," _bbp_last_reply_id":["0"]," _bbp_likes_count":["0"],"_btv_view_count":["174"],"_bbp_topic_status":["unanswered"],"_bbp_topic_id":["377875"],"_bbp_forum_id":["27792"],"_bbp_engagement":["199","57165"],"_bbp_voice_count":["2"],"_bbp_reply_count":["7"],"_bbp_last_reply_id":["378166"],"_bbp_last_active_id":["378166"],"_bbp_last_active_time":["2024-08-13 15:16:06"]},"test":"98fda2c5151906a025703ec623e093a5a38a4681"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/377875","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics"}],"about":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/types\/topic"}],"version-history":[{"count":0,"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/377875\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=377875"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}