{"id":366784,"date":"2024-05-14T14:37:47","date_gmt":"2024-05-14T14:37:47","guid":{"rendered":"\/forum\/forums\/topic\/vof-free-surface-deformation\/"},"modified":"2024-05-14T14:37:47","modified_gmt":"2024-05-14T14:37:47","slug":"vof-free-surface-deformation","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/vof-free-surface-deformation\/","title":{"rendered":"VOF Free Surface Deformation"},"content":{"rendered":"<p>My aim is to accurately determine the free surface elevation when a wing moves over the free surface. I am trying to do (2D NACA0012 AoA 5, h\/c =1, Fnc = 1) but the free water surface does not deform (even when I make h\/c = 0.2). I am using &nbsp;2D mesh as below using the multiphase VOF model with the SST k-w solver . I have enabled gravity and implicit body forces. I opened &#8220;Open Channel Flow&#8221;. I canceled to use &#8220;Open Channel Flow&#8221;. However, although cl and residual graphs&nbsp; converge, free surface didn&#8217;t change as shown below.&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>I turned off &#8220;Open Channel Flow&#8221; and I defined two different velocity inlet for &#8220;inlet_air&#8221; and &#8220;inlet_water&#8221;. After initializing (compute from &#8220;inlet_air&#8221;), I defined a region to patch water. however, I get errors like &#8220;Turbulent viscosity limited&#8221; or &#8220;Reverse Flow&#8221;. I extended outlet place. It was 15c (c refers to chord length), i changed it as 30c but results were same<img decoding=\"async\" src=\"\/forum\/wp-content\/uploads\/sites\/2\/2024\/05\/14-05-2024-1715697241-VF_Pressure_Inlet.JPG\" alt=\"\"><img decoding=\"async\" src=\"\/forum\/wp-content\/uploads\/sites\/2\/2024\/05\/14-05-2024-1715697258-CL_Value_ressure__Inlet.JPG\" alt=\"\"><\/p>\n","protected":false},"template":"","class_list":["post-366784","topic","type-topic","status-closed","hentry","topic-tag-fluent-cfd-ansys-1"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"My aim is to accurately determine the free surface elevation when a wing moves over the free surface. I am trying to do (2D NACA0012 AoA 5, h\/c =1, Fnc = 1) but the free water surface does not deform (even when I make h\/c = 0.2). I am using 2D mesh as below using\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/vof-free-surface-deformation\/\" \/>\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=\"VOF Free Surface Deformation | Ansys Learning Forum\" \/>\n\t\t<meta property=\"og:description\" content=\"My aim is to accurately determine the free surface elevation when a wing moves over the free surface. I am trying to do (2D NACA0012 AoA 5, h\/c =1, Fnc = 1) but the free water surface does not deform (even when I make h\/c = 0.2). 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I am trying to do (2D NACA0012 AoA 5, h\/c =1, Fnc = 1) but the free water surface does not deform (even when I make h\/c = 0.2). I am using 2D mesh as below using\" \/>\n\t\t<meta name=\"twitter:image\" content=\"https:\/\/innovationspace.ansys.com\/forum\/forum\/wp-content\/uploads\/sites\/2\/2024\/05\/14-05-2024-1715697241-VF_Pressure_Inlet.JPG\" \/>\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\\\/vof-free-surface-deformation\\\/#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-#cfd-#ansys-1\\\/#listItem\",\"name\":\"#fluent-#cfd-#ansys\"},\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum#listItem\",\"name\":\"Home\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic-tag\\\/#fluent-#cfd-#ansys-1\\\/#listItem\",\"position\":3,\"name\":\"#fluent-#cfd-#ansys\",\"item\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic-tag\\\/#fluent-#cfd-#ansys-1\\\/\",\"nextItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic\\\/vof-free-surface-deformation\\\/#listItem\",\"name\":\"VOF Free Surface Deformation\"},\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/topics\\\/#listItem\",\"name\":\"Topics\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic\\\/vof-free-surface-deformation\\\/#listItem\",\"position\":4,\"name\":\"VOF Free Surface Deformation\",\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic-tag\\\/#fluent-#cfd-#ansys-1\\\/#listItem\",\"name\":\"#fluent-#cfd-#ansys\"}}]},{\"@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\\\/vof-free-surface-deformation\\\/#webpage\",\"url\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic\\\/vof-free-surface-deformation\\\/\",\"name\":\"VOF Free Surface Deformation | Ansys Learning Forum\",\"description\":\"My aim is to accurately determine the free surface elevation when a wing moves over the free surface. I am trying to do (2D NACA0012 AoA 5, h\\\/c =1, Fnc = 1) but the free water surface does not deform (even when I make h\\\/c = 0.2). 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I am trying to do (2D NACA0012 AoA 5, h\/c =1, Fnc = 1) but the free water surface does not deform (even when I make h\/c = 0.2). 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I am using 2D mesh as below using","twitter:image":"https:\/\/innovationspace.ansys.com\/forum\/forum\/wp-content\/uploads\/sites\/2\/2024\/05\/14-05-2024-1715697241-VF_Pressure_Inlet.JPG"},"aioseo_meta_data":{"post_id":"366784","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 16:42:26","updated":"2024-10-28 16:42:26","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-#cfd-#ansys-1\/\" title=\"#fluent-#cfd-#ansys\">#fluent-#cfd-#ansys<\/a>\n\t\t<\/span><span class=\"aioseo-breadcrumb-separator\">&raquo;<\/span><span class=\"aioseo-breadcrumb\">\n\t\t\tVOF Free Surface Deformation\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-#cfd-#ansys","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic-tag\/#fluent-#cfd-#ansys-1\/"},{"label":"VOF Free Surface Deformation","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/vof-free-surface-deformation\/"}],"acf":[],"custom_fields":[{"0":{"_bbp_subscription":["296634","199"],"_bbp_author_ip":["184.24.96.207"]," _bbp_last_reply_id":["0"]," _bbp_likes_count":["0"],"_btv_view_count":["1542"],"_bbp_topic_status":["unanswered"],"_bbp_topic_id":["366784"],"_bbp_forum_id":["27792"],"_bbp_engagement":["199","296634"],"_bbp_voice_count":["2"],"_bbp_reply_count":["27"],"_bbp_last_reply_id":["369805"],"_bbp_last_active_id":["369805"],"_bbp_last_active_time":["2024-06-04 15:31:21"]},"test":"0540211f5db091739f25ffdbc786269b5665e34f"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/366784","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\/366784\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=366784"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}