{"id":403871,"date":"2025-01-07T10:39:23","date_gmt":"2025-01-07T10:39:23","guid":{"rendered":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/error-message-when-coupling-ansys-fluent-and-rocky\/"},"modified":"2025-01-07T10:55:46","modified_gmt":"2025-01-07T10:55:46","slug":"error-message-when-coupling-ansys-fluent-and-rocky","status":"publish","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/error-message-when-coupling-ansys-fluent-and-rocky\/","title":{"rendered":"Error message when coupling ANSYS Fluent and Rocky"},"content":{"rendered":"<p>&lt;p&gt;&lt;div&gt;Hello,&lt;\/div&gt;&lt;div&gt;&nbsp;&lt;\/div&gt;&lt;div&gt;I am currently working on linking ANSYS Fluent and Rocky and have encountered a problem. I have created a User-Defined Function (UDF) for my ANSYS model, which I have successfully compiled in the program. All the necessary files are present in the simulation directory, including the UDF as C code and the CASE file. However, I get an error message when I try to connect the ANSYS model to Rocky.&nbsp;&lt;\/div&gt;&lt;div&gt;&nbsp;&lt;\/div&gt;&lt;div&gt;Report of the error message can be found in the appendix.&lt;\/div&gt;&lt;div&gt;&nbsp;&lt;\/div&gt;&lt;div&gt;Could you please help me to solve this problem?&lt;\/div&gt;&lt;div&gt;&nbsp;&lt;\/div&gt;&lt;div&gt;Thank you in advance for your help!&lt;\/div&gt;&lt;div&gt;&lt;br&gt;&lt;br&gt;<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2025\/01\/07-01-2025-1736246261-mceclip3.png\" width=\"1006\" height=\"568\" \/>&lt;\/div&gt;&lt;div&gt;&nbsp;&lt;\/div&gt;&lt;div&gt;<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2025\/01\/07-01-2025-1736246209-mceclip2.png\" width=\"992\" height=\"542\" \/>&lt;\/div&gt;&lt;div&gt;&nbsp;&lt;\/div&gt;&lt;div&gt;<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2025\/01\/07-01-2025-1736246127-mceclip1.png\" width=\"978\" height=\"649\" \/>&lt;\/div&gt;&lt;div&gt;&nbsp;&lt;\/div&gt;&lt;div&gt;&nbsp;&lt;\/div&gt;&lt;div&gt;<img decoding=\"async\" src=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2025\/01\/07-01-2025-1736246335-mceclip4.png\" \/>&lt;\/div&gt;&lt;div&gt;&nbsp;&lt;\/div&gt;&lt;div&gt;&nbsp;&lt;\/div&gt;&lt;div&gt;&nbsp;&lt;\/div&gt;&lt;\/p&gt;&lt;p&gt;&nbsp;&lt;\/p&gt;&lt;p&gt;&nbsp;&lt;\/p&gt;&lt;p&gt;<img decoding=\"async\" src=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2025\/01\/07-01-2025-1736247339-mceclip0.png\" \/>&lt;\/p&gt;<\/p>\n","protected":false},"template":"","class_list":["post-403871","topic","type-topic","status-publish","hentry","topic-tag-fluent-ansys-1","topic-tag-2-way-coupled-fsi","topic-tag-fluent","topic-tag-rocky-dem-1"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"Hello, I am currently working on linking ANSYS Fluent and Rocky and have encountered a problem. I have created a User-Defined Function (UDF) for my ANSYS model, which I have successfully compiled in the program. All the necessary files are present in the simulation directory, including the UDF as C code and the CASE file. However,\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/error-message-when-coupling-ansys-fluent-and-rocky\/\" \/>\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=\"Error message when coupling ANSYS Fluent and Rocky | Ansys Learning Forum\" \/>\n\t\t<meta property=\"og:description\" content=\"Hello, I am currently working on linking ANSYS Fluent and Rocky and have encountered a problem. I have created a User-Defined Function (UDF) for my ANSYS model, which I have successfully compiled in the program. All the necessary files are present in the simulation directory, including the UDF as C code and the CASE file. However,\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/error-message-when-coupling-ansys-fluent-and-rocky\/\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2025-01-07T10:39:23+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2025-01-07T10:55:46+00:00\" \/>\n\t\t<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n\t\t<meta name=\"twitter:title\" content=\"Error message when coupling ANSYS Fluent and Rocky | Ansys Learning Forum\" \/>\n\t\t<meta name=\"twitter:description\" content=\"Hello, I am currently working on linking ANSYS Fluent and Rocky and have encountered a problem. I have created a User-Defined Function (UDF) for my ANSYS model, which I have successfully compiled in the program. All the necessary files are present in the simulation directory, including the UDF as C code and the CASE file. However,\" \/>\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\\\/error-message-when-coupling-ansys-fluent-and-rocky\\\/#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-tag\\\/fluent\\\/#listItem\",\"name\":\"fluent\"},\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum#listItem\",\"name\":\"Home\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic-tag\\\/fluent\\\/#listItem\",\"position\":3,\"name\":\"fluent\",\"item\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic-tag\\\/fluent\\\/\",\"nextItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic\\\/error-message-when-coupling-ansys-fluent-and-rocky\\\/#listItem\",\"name\":\"Error message when coupling ANSYS Fluent and Rocky\"},\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/topics\\\/#listItem\",\"name\":\"Topics\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic\\\/error-message-when-coupling-ansys-fluent-and-rocky\\\/#listItem\",\"position\":4,\"name\":\"Error message when coupling ANSYS Fluent and Rocky\",\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic-tag\\\/fluent\\\/#listItem\",\"name\":\"fluent\"}}]},{\"@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\\\/error-message-when-coupling-ansys-fluent-and-rocky\\\/#webpage\",\"url\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic\\\/error-message-when-coupling-ansys-fluent-and-rocky\\\/\",\"name\":\"Error message when coupling ANSYS Fluent and Rocky | Ansys Learning Forum\",\"description\":\"Hello, I am currently working on linking ANSYS Fluent and Rocky and have encountered a problem. I have created a User-Defined Function (UDF) for my ANSYS model, which I have successfully compiled in the program. All the necessary files are present in the simulation directory, including the UDF as C code and the CASE file. However,\",\"inLanguage\":\"en-US\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/#website\"},\"breadcrumb\":{\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic\\\/error-message-when-coupling-ansys-fluent-and-rocky\\\/#breadcrumblist\"},\"datePublished\":\"2025-01-07T10:39:23+00:00\",\"dateModified\":\"2025-01-07T10:55:46+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":"Error message when coupling ANSYS Fluent and Rocky | Ansys Learning Forum","description":"Hello, I am currently working on linking ANSYS Fluent and Rocky and have encountered a problem. I have created a User-Defined Function (UDF) for my ANSYS model, which I have successfully compiled in the program. All the necessary files are present in the simulation directory, including the UDF as C code and the CASE file. However,","canonical_url":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/error-message-when-coupling-ansys-fluent-and-rocky\/","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"BreadcrumbList","@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/error-message-when-coupling-ansys-fluent-and-rocky\/#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-tag\/fluent\/#listItem","name":"fluent"},"previousItem":{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/forum#listItem","name":"Home"}},{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic-tag\/fluent\/#listItem","position":3,"name":"fluent","item":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic-tag\/fluent\/","nextItem":{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/error-message-when-coupling-ansys-fluent-and-rocky\/#listItem","name":"Error message when coupling ANSYS Fluent and Rocky"},"previousItem":{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/forum\/topics\/#listItem","name":"Topics"}},{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/error-message-when-coupling-ansys-fluent-and-rocky\/#listItem","position":4,"name":"Error message when coupling ANSYS Fluent and Rocky","previousItem":{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic-tag\/fluent\/#listItem","name":"fluent"}}]},{"@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\/error-message-when-coupling-ansys-fluent-and-rocky\/#webpage","url":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/error-message-when-coupling-ansys-fluent-and-rocky\/","name":"Error message when coupling ANSYS Fluent and Rocky | Ansys Learning Forum","description":"Hello, I am currently working on linking ANSYS Fluent and Rocky and have encountered a problem. I have created a User-Defined Function (UDF) for my ANSYS model, which I have successfully compiled in the program. All the necessary files are present in the simulation directory, including the UDF as C code and the CASE file. However,","inLanguage":"en-US","isPartOf":{"@id":"https:\/\/innovationspace.ansys.com\/forum\/#website"},"breadcrumb":{"@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/error-message-when-coupling-ansys-fluent-and-rocky\/#breadcrumblist"},"datePublished":"2025-01-07T10:39:23+00:00","dateModified":"2025-01-07T10:55:46+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":"Error message when coupling ANSYS Fluent and Rocky | Ansys Learning Forum","og:description":"Hello, I am currently working on linking ANSYS Fluent and Rocky and have encountered a problem. I have created a User-Defined Function (UDF) for my ANSYS model, which I have successfully compiled in the program. All the necessary files are present in the simulation directory, including the UDF as C code and the CASE file. However,","og:url":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/error-message-when-coupling-ansys-fluent-and-rocky\/","article:published_time":"2025-01-07T10:39:23+00:00","article:modified_time":"2025-01-07T10:55:46+00:00","twitter:card":"summary_large_image","twitter:title":"Error message when coupling ANSYS Fluent and Rocky | Ansys Learning Forum","twitter:description":"Hello, I am currently working on linking ANSYS Fluent and Rocky and have encountered a problem. I have created a User-Defined Function (UDF) for my ANSYS model, which I have successfully compiled in the program. All the necessary files are present in the simulation directory, including the UDF as C code and the CASE file. However,"},"aioseo_meta_data":{"post_id":"403871","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":"2025-10-19 11:01:52","updated":"2026-09-17 15:44:51","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\t<a href=\"https:\/\/innovationspace.ansys.com\/forum\/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\tError message when coupling ANSYS Fluent and Rocky\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":"fluent","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic-tag\/fluent\/"},{"label":"Error message when coupling ANSYS Fluent and Rocky","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/error-message-when-coupling-ansys-fluent-and-rocky\/"}],"acf":[],"custom_fields":[{"0":{"_bbp_forum_id":["27792"],"_bbp_topic_id":["403871"],"_bbp_subscription":["15547","14847","66199","684477"],"_bbp_author_ip":["195.37.2.14"],"_bbp_last_reply_id":["460441"],"_bbp_last_active_id":["460441"],"_bbp_last_active_time":["2026-06-28 20:21:50"],"_bbp_reply_count":["6"],"_bbp_reply_count_hidden":["0"],"_bbp_voice_count":["4"],"_bbp_engagement":["15547","14847","66199","684477"],"_btv_view_count":["1004"],"_bbp_topic_status":["unanswered"],"_edit_last":["15547"],"_bbp_revision_log":["a:1:{i:403876;a:2:{s:6:\"author\";i:15547;s:6:\"reason\";s:0:\"\";}}"]},"test":"jarmounith-brandenburg-de"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/403871","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":1,"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/403871\/revisions"}],"predecessor-version":[{"id":403876,"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/403871\/revisions\/403876"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=403871"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}