{"id":295745,"date":"2023-07-31T18:15:39","date_gmt":"2023-07-31T18:15:39","guid":{"rendered":"\/forum\/forums\/topic\/melting-with-two-phases-vof\/"},"modified":"2023-07-31T18:18:06","modified_gmt":"2023-07-31T18:18:06","slug":"melting-with-two-phases-vof","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/melting-with-two-phases-vof\/","title":{"rendered":"Melting with Two phases (VOF)"},"content":{"rendered":"<p>Hi everyone,<\/p>\n<p>I am having problem with my simulation of ice (defined as liquid) melting under high air temperature.&nbsp;<\/p>\n<p>The model has two parts, the bottom part is the ice at 270K and the top part is air at 800K initially.&nbsp;<\/p>\n<p>Without even running the model, the plots I got from initialization (and Patch) look incorrect:<\/p>\n<ul>\n<li>The first plot attached shows the temperature and it looks right<\/li>\n<li>The second and third plots show the phase distributions of air and ice which also look right<\/li>\n<li style=\"text-align: left\">The fourth plot shows the liquid fraction of water and this is the one looks wrong. Why is the liquid water fraction in the air equals to 1 where there is no water phase at all in that region? To me, the correct plot should be showing 0 everywhere.<\/li>\n<\/ul>\n<p><a class=\"wp-colorbox-image cboxElement\" href=\"\/forum\/wp-content\/uploads\/sites\/2\/2023\/07\/31-07-2023-1690826993-2023-07-31 11_09_00-WDADesktopService.png\"><img loading=\"lazy\" decoding=\"async\" title=\"Initial Temp\" src=\"\/forum\/wp-content\/uploads\/sites\/2\/2023\/07\/31-07-2023-1690826993-2023-07-31 11_09_00-WDADesktopService.png\" alt=\"\" width=\"402\" height=\"356\"><\/a><a class=\"wp-colorbox-image cboxElement\" href=\"\/forum\/wp-content\/uploads\/sites\/2\/2023\/07\/31-07-2023-1690827035-2023-07-31 11_09_07-WDADesktopService.png\"><img loading=\"lazy\" decoding=\"async\" title=\"Initial air phase\" src=\"\/forum\/wp-content\/uploads\/sites\/2\/2023\/07\/31-07-2023-1690827035-2023-07-31 11_09_07-WDADesktopService.png\" alt=\"\" width=\"392\" height=\"355\"><\/a><\/p>\n<p><a class=\"wp-colorbox-image cboxElement\" href=\"\/forum\/wp-content\/uploads\/sites\/2\/2023\/07\/31-07-2023-1690827109-2023-07-31 11_09_15-WDADesktopService.png\"><img loading=\"lazy\" decoding=\"async\" title=\"Initial water(ice) phase\" src=\"\/forum\/wp-content\/uploads\/sites\/2\/2023\/07\/31-07-2023-1690827109-2023-07-31 11_09_15-WDADesktopService.png\" alt=\"\" width=\"401\" height=\"359\"><\/a><a class=\"wp-colorbox-image cboxElement\" href=\"\/forum\/wp-content\/uploads\/sites\/2\/2023\/07\/31-07-2023-1690827137-2023-07-31 11_09_22-WDADesktopService.png\"><img loading=\"lazy\" decoding=\"async\" title=\"Initial liquid water fraction\" src=\"\/forum\/wp-content\/uploads\/sites\/2\/2023\/07\/31-07-2023-1690827137-2023-07-31 11_09_22-WDADesktopService.png\" alt=\"\" width=\"404\" height=\"358\"><\/a><\/p>\n<p>&nbsp;<\/p>\n<p>If I ran the model (transient analysis) for some time, the liquid water fraction in the water phase does look physical (some portion of ice turned into liquid at the surface)<\/p>\n<p><a class=\"wp-colorbox-image cboxElement\" href=\"\/forum\/wp-content\/uploads\/sites\/2\/2023\/07\/31-07-2023-1690827308-2023-07-31 11_07_53-WDADesktopService.png\"><img loading=\"lazy\" decoding=\"async\" title=\"After 1e-5s, liquid water fraction\" src=\"\/forum\/wp-content\/uploads\/sites\/2\/2023\/07\/31-07-2023-1690827308-2023-07-31 11_07_53-WDADesktopService.png\" alt=\"\" width=\"400\" height=\"351\"><\/a><\/p>\n<p>&nbsp;<\/p>\n<p>I am new to Fluent, please share your guidance. Thanks.<\/p>\n","protected":false},"template":"","class_list":["post-295745","topic","type-topic","status-closed","hentry"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"Hi everyone,I am having problem with my simulation of ice (defined as liquid) melting under high air temperature. The model has two parts, the bottom part is the ice at 270K and the top part is air at 800K initially. 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Without even running the model, the plots I got from initialization (and Patch) look incorrect:The first plot\",\"inLanguage\":\"en-US\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/#website\"},\"breadcrumb\":{\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic\\\/melting-with-two-phases-vof\\\/#breadcrumblist\"},\"datePublished\":\"2023-07-31T18:15:39+00:00\",\"dateModified\":\"2023-07-31T18:18:06+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":"Melting with Two phases (VOF) | Ansys Learning Forum","description":"Hi everyone,I am having problem with my simulation of ice (defined as liquid) melting under high air temperature. The model has two parts, the bottom part is the ice at 270K and the top part is air at 800K initially. 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The model has two parts, the bottom part is the ice at 270K and the top part is air at 800K initially. Without even running the model, the plots I got from initialization (and Patch) look incorrect:The first plot","inLanguage":"en-US","isPartOf":{"@id":"https:\/\/innovationspace.ansys.com\/forum\/#website"},"breadcrumb":{"@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/melting-with-two-phases-vof\/#breadcrumblist"},"datePublished":"2023-07-31T18:15:39+00:00","dateModified":"2023-07-31T18:18:06+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":"Melting with Two phases (VOF) | Ansys Learning Forum","og:description":"Hi everyone,I am having problem with my simulation of ice (defined as liquid) melting under high air temperature. The model has two parts, the bottom part is the ice at 270K and the top part is air at 800K initially. Without even running the model, the plots I got from initialization (and Patch) look incorrect:The first plot","og:url":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/melting-with-two-phases-vof\/","og:image":"https:\/\/innovationspace.ansys.com\/forum\/forum\/wp-content\/uploads\/sites\/2\/2023\/07\/31-07-2023-1690826993-2023-07-31%2011_09_00-WDADesktopService.png","og:image:secure_url":"https:\/\/innovationspace.ansys.com\/forum\/forum\/wp-content\/uploads\/sites\/2\/2023\/07\/31-07-2023-1690826993-2023-07-31%2011_09_00-WDADesktopService.png","article:published_time":"2023-07-31T18:15:39+00:00","article:modified_time":"2023-07-31T18:18:06+00:00","twitter:card":"summary_large_image","twitter:title":"Melting with Two phases (VOF) | Ansys Learning Forum","twitter:description":"Hi everyone,I am having problem with my simulation of ice (defined as liquid) melting under high air temperature. The model has two parts, the bottom part is the ice at 270K and the top part is air at 800K initially. Without even running the model, the plots I got from initialization (and Patch) look incorrect:The first plot","twitter:image":"https:\/\/innovationspace.ansys.com\/forum\/forum\/wp-content\/uploads\/sites\/2\/2023\/07\/31-07-2023-1690826993-2023-07-31 11_09_00-WDADesktopService.png"},"aioseo_meta_data":{"post_id":"295745","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 17:56:18","updated":"2024-10-28 17:56:18","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\tMelting with Two phases (VOF)\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":"Melting with Two phases (VOF)","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/melting-with-two-phases-vof\/"}],"acf":[],"custom_fields":[{"0":{"_bbp_subscription":["290479","852"],"_bbp_author_ip":["23.223.149.206"]," _bbp_last_reply_id":["0"]," _bbp_likes_count":["0"],"_btv_view_count":["1079"],"_edit_lock":["1690827423:225863"],"_bbp_topic_status":["unanswered"],"_bbp_status":["publish"],"_bbp_topic_id":["295745"],"_bbp_forum_id":["27792"],"_bbp_engagement":["852","290479"],"_bbp_voice_count":["2"],"_bbp_reply_count":["4"],"_bbp_last_reply_id":["295980"],"_bbp_last_active_id":["295980"],"_bbp_last_active_time":["2023-08-01 19:15:43"]},"test":"ronfengucla-edu"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/295745","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\/295745\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=295745"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}