{"id":386316,"date":"2024-09-24T10:26:41","date_gmt":"2024-09-24T10:26:41","guid":{"rendered":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/386316\/"},"modified":"2024-09-24T10:26:41","modified_gmt":"2024-09-24T10:26:41","slug":"386316","status":"publish","type":"reply","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/386316\/","title":{"rendered":"Reply To: Drone zero lift help"},"content":{"rendered":"<p>&lt;p&gt;Again, with mrf (reference) frame the mesh doesn&#8217;t move so can&#8217;t become twisted. That would typically have an interior zone between it and the outer domain. So not sure what&#8217;s happened. With mrf if you&#8217;re not quite there with the vector it&#8217;ll just give some slightly odd rotation effects in the velocity field.&nbsp;&lt;\/p&gt;&lt;p&gt;I&#8217;d expect some value of lift\/drag regardless as it&#8217;s near impossible to not see a number. If you report the value from the panel rather than plotting is it still precisely zero? If you put a contour through the rotor plane (vertical) how does the velocity field look?&lt;\/p&gt;<\/p>\n","protected":false},"template":"","class_list":["post-386316","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=\"Again, with mrf (reference) frame the mesh doesn&#039;t move so can&#039;t become twisted. That would typically have an interior zone between it and the outer domain. So not sure what&#039;s happened. With mrf if you&#039;re not quite there with the vector it&#039;ll just give some slightly odd rotation effects in the velocity field. I&#039;d expect some\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/386316\/\" \/>\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: Drone zero lift help | Ansys Learning Forum\" \/>\n\t\t<meta property=\"og:description\" content=\"Again, with mrf (reference) frame the mesh doesn&#039;t move so can&#039;t become twisted. That would typically have an interior zone between it and the outer domain. So not sure what&#039;s happened. With mrf if you&#039;re not quite there with the vector it&#039;ll just give some slightly odd rotation effects in the velocity field. I&#039;d expect some\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/386316\/\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2024-09-24T10:26:41+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2024-09-24T10:26:41+00:00\" \/>\n\t\t<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n\t\t<meta name=\"twitter:title\" content=\"Reply To: Drone zero lift help | Ansys Learning Forum\" \/>\n\t\t<meta name=\"twitter:description\" content=\"Again, with mrf (reference) frame the mesh doesn&#039;t move so can&#039;t become twisted. That would typically have an interior zone between it and the outer domain. So not sure what&#039;s happened. With mrf if you&#039;re not quite there with the vector it&#039;ll just give some slightly odd rotation effects in the velocity field. I&#039;d expect some\" \/>\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\\\/386316\\\/#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\\\/386316\\\/#listItem\",\"name\":\"Reply To: Drone zero lift help\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/reply\\\/386316\\\/#listItem\",\"position\":2,\"name\":\"Reply To: Drone zero lift help\",\"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\\\/386316\\\/#webpage\",\"url\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/reply\\\/386316\\\/\",\"name\":\"Reply To: Drone zero lift help | Ansys Learning Forum\",\"description\":\"Again, with mrf (reference) frame the mesh doesn't move so can't become twisted. That would typically have an interior zone between it and the outer domain. So not sure what's happened. With mrf if you're not quite there with the vector it'll just give some slightly odd rotation effects in the velocity field. I'd expect some\",\"inLanguage\":\"en-US\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/#website\"},\"breadcrumb\":{\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/reply\\\/386316\\\/#breadcrumblist\"},\"datePublished\":\"2024-09-24T10:26:41+00:00\",\"dateModified\":\"2024-09-24T10:26:41+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: Drone zero lift help | Ansys Learning Forum","description":"Again, with mrf (reference) frame the mesh doesn't move so can't become twisted. That would typically have an interior zone between it and the outer domain. So not sure what's happened. With mrf if you're not quite there with the vector it'll just give some slightly odd rotation effects in the velocity field. I'd expect some","canonical_url":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/386316\/","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"BreadcrumbList","@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/386316\/#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\/386316\/#listItem","name":"Reply To: Drone zero lift help"}},{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/386316\/#listItem","position":2,"name":"Reply To: Drone zero lift help","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\/386316\/#webpage","url":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/386316\/","name":"Reply To: Drone zero lift help | Ansys Learning Forum","description":"Again, with mrf (reference) frame the mesh doesn't move so can't become twisted. That would typically have an interior zone between it and the outer domain. So not sure what's happened. With mrf if you're not quite there with the vector it'll just give some slightly odd rotation effects in the velocity field. I'd expect some","inLanguage":"en-US","isPartOf":{"@id":"https:\/\/innovationspace.ansys.com\/forum\/#website"},"breadcrumb":{"@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/386316\/#breadcrumblist"},"datePublished":"2024-09-24T10:26:41+00:00","dateModified":"2024-09-24T10:26:41+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: Drone zero lift help | Ansys Learning Forum","og:description":"Again, with mrf (reference) frame the mesh doesn't move so can't become twisted. That would typically have an interior zone between it and the outer domain. So not sure what's happened. With mrf if you're not quite there with the vector it'll just give some slightly odd rotation effects in the velocity field. I'd expect some","og:url":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/386316\/","article:published_time":"2024-09-24T10:26:41+00:00","article:modified_time":"2024-09-24T10:26:41+00:00","twitter:card":"summary_large_image","twitter:title":"Reply To: Drone zero lift help | Ansys Learning Forum","twitter:description":"Again, with mrf (reference) frame the mesh doesn't move so can't become twisted. That would typically have an interior zone between it and the outer domain. So not sure what's happened. With mrf if you're not quite there with the vector it'll just give some slightly odd rotation effects in the velocity field. I'd expect some"},"aioseo_meta_data":{"post_id":"386316","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 16:26:23","updated":"2026-08-04 16:22:35","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: Drone zero lift help\n\t\t<\/span><\/div>","aioseo_breadcrumb_json":[{"label":"Home","link":"https:\/\/innovationspace.ansys.com\/forum"},{"label":"Reply To: Drone zero lift help","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/386316\/"}],"acf":[],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/replies\/386316","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\/386316\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=386316"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}