{"id":368322,"date":"2024-05-23T13:07:10","date_gmt":"2024-05-23T13:07:10","guid":{"rendered":"\/forum\/forums\/reply\/368322\/"},"modified":"2024-05-23T13:07:10","modified_gmt":"2024-05-23T13:07:10","slug":"368322","status":"publish","type":"reply","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/368322\/","title":{"rendered":"Reply To: How to move fluid zone in fluent without imposing a velocity?"},"content":{"rendered":"<p>&lt;p&gt;Hello Hunter,&nbsp;&lt;\/p&gt;&lt;p&gt;You can have Overset 2 (wake mesh) follow the motion of Overset 1 (with 6DOF) by assigning Rigid body motion to the wake mesh as Passive 6DOF. This means that forces will not be calculated on the wake mesh but it will follow the resulting motion of Overset 1. However, this will have the same degrees of freedom as your Overset 1 mesh (i.e. will include rotational freedom).&lt;\/p&gt;&lt;p&gt;If you have access to the translational velocity that you want to assign to Overset 2, I would use DEFINE_CG_MOTION instead of GRID_MOTION. The latter is used when there is some deformation involved and hence you want to prescribe motion on a node basis.&lt;\/p&gt;<\/p>\n","protected":false},"template":"","class_list":["post-368322","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=\"Hello Hunter, You can have Overset 2 (wake mesh) follow the motion of Overset 1 (with 6DOF) by assigning Rigid body motion to the wake mesh as Passive 6DOF. This means that forces will not be calculated on the wake mesh but it will follow the resulting motion of Overset 1. However, this will have the\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/368322\/\" \/>\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: How to move fluid zone in fluent without imposing a velocity? | Ansys Learning Forum\" \/>\n\t\t<meta property=\"og:description\" content=\"Hello Hunter, You can have Overset 2 (wake mesh) follow the motion of Overset 1 (with 6DOF) by assigning Rigid body motion to the wake mesh as Passive 6DOF. This means that forces will not be calculated on the wake mesh but it will follow the resulting motion of Overset 1. However, this will have the\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/368322\/\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2024-05-23T13:07:10+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2024-05-23T13:07:10+00:00\" \/>\n\t\t<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n\t\t<meta name=\"twitter:title\" content=\"Reply To: How to move fluid zone in fluent without imposing a velocity? | Ansys Learning Forum\" \/>\n\t\t<meta name=\"twitter:description\" content=\"Hello Hunter, You can have Overset 2 (wake mesh) follow the motion of Overset 1 (with 6DOF) by assigning Rigid body motion to the wake mesh as Passive 6DOF. This means that forces will not be calculated on the wake mesh but it will follow the resulting motion of Overset 1. However, this will have the\" \/>\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\\\/368322\\\/#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\\\/368322\\\/#listItem\",\"name\":\"Reply To: How to move fluid zone in fluent without imposing a velocity?\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/reply\\\/368322\\\/#listItem\",\"position\":2,\"name\":\"Reply To: How to move fluid zone in fluent without imposing a velocity?\",\"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\\\/368322\\\/#webpage\",\"url\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/reply\\\/368322\\\/\",\"name\":\"Reply To: How to move fluid zone in fluent without imposing a velocity? | Ansys Learning Forum\",\"description\":\"Hello Hunter, You can have Overset 2 (wake mesh) follow the motion of Overset 1 (with 6DOF) by assigning Rigid body motion to the wake mesh as Passive 6DOF. This means that forces will not be calculated on the wake mesh but it will follow the resulting motion of Overset 1. However, this will have the\",\"inLanguage\":\"en-US\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/#website\"},\"breadcrumb\":{\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/reply\\\/368322\\\/#breadcrumblist\"},\"datePublished\":\"2024-05-23T13:07:10+00:00\",\"dateModified\":\"2024-05-23T13:07:10+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: How to move fluid zone in fluent without imposing a velocity? | Ansys Learning Forum","description":"Hello Hunter, You can have Overset 2 (wake mesh) follow the motion of Overset 1 (with 6DOF) by assigning Rigid body motion to the wake mesh as Passive 6DOF. This means that forces will not be calculated on the wake mesh but it will follow the resulting motion of Overset 1. However, this will have the","canonical_url":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/368322\/","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"BreadcrumbList","@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/368322\/#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\/368322\/#listItem","name":"Reply To: How to move fluid zone in fluent without imposing a velocity?"}},{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/368322\/#listItem","position":2,"name":"Reply To: How to move fluid zone in fluent without imposing a velocity?","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\/368322\/#webpage","url":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/368322\/","name":"Reply To: How to move fluid zone in fluent without imposing a velocity? | Ansys Learning Forum","description":"Hello Hunter, You can have Overset 2 (wake mesh) follow the motion of Overset 1 (with 6DOF) by assigning Rigid body motion to the wake mesh as Passive 6DOF. This means that forces will not be calculated on the wake mesh but it will follow the resulting motion of Overset 1. However, this will have the","inLanguage":"en-US","isPartOf":{"@id":"https:\/\/innovationspace.ansys.com\/forum\/#website"},"breadcrumb":{"@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/368322\/#breadcrumblist"},"datePublished":"2024-05-23T13:07:10+00:00","dateModified":"2024-05-23T13:07:10+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: How to move fluid zone in fluent without imposing a velocity? | Ansys Learning Forum","og:description":"Hello Hunter, You can have Overset 2 (wake mesh) follow the motion of Overset 1 (with 6DOF) by assigning Rigid body motion to the wake mesh as Passive 6DOF. This means that forces will not be calculated on the wake mesh but it will follow the resulting motion of Overset 1. However, this will have the","og:url":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/368322\/","article:published_time":"2024-05-23T13:07:10+00:00","article:modified_time":"2024-05-23T13:07:10+00:00","twitter:card":"summary_large_image","twitter:title":"Reply To: How to move fluid zone in fluent without imposing a velocity? | Ansys Learning Forum","twitter:description":"Hello Hunter, You can have Overset 2 (wake mesh) follow the motion of Overset 1 (with 6DOF) by assigning Rigid body motion to the wake mesh as Passive 6DOF. This means that forces will not be calculated on the wake mesh but it will follow the resulting motion of Overset 1. However, this will have the"},"aioseo_meta_data":{"post_id":"368322","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 16:40:55","updated":"2026-08-14 13:27:21","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: How to move fluid zone in fluent without imposing a velocity?\n\t\t<\/span><\/div>","aioseo_breadcrumb_json":[{"label":"Home","link":"https:\/\/innovationspace.ansys.com\/forum"},{"label":"Reply To: How to move fluid zone in fluent without imposing a velocity?","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/368322\/"}],"acf":[],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/replies\/368322","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\/368322\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=368322"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}