


{"id":163516,"date":"2021-10-29T03:32:14","date_gmt":"2021-10-29T03:32:14","guid":{"rendered":"\/forum\/forums\/topic\/sudden-divergence-in-transient-calculation-of-water-vapor-condensation-in-closed-space\/"},"modified":"2021-10-29T06:50:51","modified_gmt":"2021-10-29T06:50:51","slug":"sudden-divergence-in-transient-calculation-of-water-vapor-condensation-in-closed-space","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/sudden-divergence-in-transient-calculation-of-water-vapor-condensation-in-closed-space\/","title":{"rendered":"Sudden divergence in transient calculation of water vapor condensation in closed space"},"content":{"rendered":"<div class=\"Item-Body\">\n<div class=\"Message userContent\">\n<p>&nbsp;Transient calculation can be calculated for a long time after the start, but it suddenly diverges in the middle (about 0.77s)<\/p>\n<p>Does anyone know why? Thank you.<\/p>\n<p>The geometric model, mesh, solution setting and results before divergence of the problem are as follows\uff1a<\/p>\n<p>Calculation of water vapor condensation in 100mm * 20mm space by axisymmetry<\/p>\n<p>The two condensing surfaces a and B have a temperature of 273k, the C surface is adiabatic, and the D surface is a symmetrical boundary<\/p>\n<p>The volume fraction of water vapor in the initial state calculation space is 1, the temperature is 380K and the velocity is 0<\/p>\n<p>The reference calculation example can complete the calculation (5S) under the same setting. When I calculate to about 0.77s, the continuity residual suddenly diverges, I conducted two calculations, and the results are the same,<\/p>\n<p>The 0.7s residuals and results are as follows:<\/p>\n<div class=\"embedExternal embedImage\">\n<div class=\"embedExternal-content\">\n<a class=\"embedImage-link\" href=\"\/forum\/wp-content\/uploads\/forum-uploads\/551\/ZNCCMDHC59G5.png\" rel=\"nofollow noopener\" target=\"_blank\"><br \/>\n<img decoding=\"async\" class=\"embedImage-img\" src=\"\/forum\/wp-content\/uploads\/forum-uploads\/551\/ZNCCMDHC59G5.png\" alt=\"0.png\" \/><br \/>\n<\/a><\/p>\n","protected":false},"template":"","class_list":["post-163516","topic","type-topic","status-closed","hentry","topic-tag-condensation","topic-tag-convergencyproblem-1","topic-tag-transientcalculation-1","topic-tag-vof"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"Transient calculation can be calculated for a long time after the start, but it suddenly diverges in the middle (about 0.77s)Does anyone know why? Thank you.The geometric model, mesh, solution setting and results before divergence of the problem are as follows\uff1aCalculation of water vapor condensation in 100mm * 20mm space by axisymmetryThe two condensing surfaces\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/sudden-divergence-in-transient-calculation-of-water-vapor-condensation-in-closed-space\/\" \/>\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=\"Sudden divergence in transient calculation of water vapor condensation in closed space | Ansys Learning Forum\" \/>\n\t\t<meta property=\"og:description\" content=\"Transient calculation can be calculated for a long time after the start, but it suddenly diverges in the middle (about 0.77s)Does anyone know why? Thank you.The geometric model, mesh, solution setting and results before divergence of the problem are as follows\uff1aCalculation of water vapor condensation in 100mm * 20mm space by axisymmetryThe two condensing surfaces\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/sudden-divergence-in-transient-calculation-of-water-vapor-condensation-in-closed-space\/\" \/>\n\t\t<meta property=\"og:image\" content=\"https:\/\/innovationspace.ansys.com\/forum\/forum\/wp-content\/uploads\/forum-uploads\/551\/ZNCCMDHC59G5.png\" \/>\n\t\t<meta property=\"og:image:secure_url\" content=\"https:\/\/innovationspace.ansys.com\/forum\/forum\/wp-content\/uploads\/forum-uploads\/551\/ZNCCMDHC59G5.png\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2021-10-29T03:32:14+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2021-10-29T06:50:51+00:00\" \/>\n\t\t<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n\t\t<meta name=\"twitter:title\" content=\"Sudden divergence in transient calculation of water vapor condensation in closed space | Ansys Learning Forum\" \/>\n\t\t<meta name=\"twitter:description\" content=\"Transient calculation can be calculated for a long time after the start, but it suddenly diverges in the middle (about 0.77s)Does anyone know why? Thank you.The geometric model, mesh, solution setting and results before divergence of the problem are as follows\uff1aCalculation of water vapor condensation in 100mm * 20mm space by axisymmetryThe two condensing surfaces\" \/>\n\t\t<meta name=\"twitter:image\" content=\"https:\/\/innovationspace.ansys.com\/forum\/forum\/wp-content\/uploads\/forum-uploads\/551\/ZNCCMDHC59G5.png\" \/>\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\\\/sudden-divergence-in-transient-calculation-of-water-vapor-condensation-in-closed-space\\\/#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\\\/vof\\\/#listItem\",\"name\":\"vof\"},\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum#listItem\",\"name\":\"Home\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic-tag\\\/vof\\\/#listItem\",\"position\":3,\"name\":\"vof\",\"item\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic-tag\\\/vof\\\/\",\"nextItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic\\\/sudden-divergence-in-transient-calculation-of-water-vapor-condensation-in-closed-space\\\/#listItem\",\"name\":\"Sudden divergence in transient calculation of water vapor condensation in closed space\"},\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/topics\\\/#listItem\",\"name\":\"Topics\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic\\\/sudden-divergence-in-transient-calculation-of-water-vapor-condensation-in-closed-space\\\/#listItem\",\"position\":4,\"name\":\"Sudden divergence in transient calculation of water vapor condensation in closed space\",\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic-tag\\\/vof\\\/#listItem\",\"name\":\"vof\"}}]},{\"@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\\\/sudden-divergence-in-transient-calculation-of-water-vapor-condensation-in-closed-space\\\/#webpage\",\"url\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic\\\/sudden-divergence-in-transient-calculation-of-water-vapor-condensation-in-closed-space\\\/\",\"name\":\"Sudden divergence in transient calculation of water vapor condensation in closed space | Ansys Learning Forum\",\"description\":\"Transient calculation can be calculated for a long time after the start, but it suddenly diverges in the middle (about 0.77s)Does anyone know why? Thank you.The geometric model, mesh, solution setting and results before divergence of the problem are as follows\\uff1aCalculation of water vapor condensation in 100mm * 20mm space by axisymmetryThe two condensing surfaces\",\"inLanguage\":\"en-US\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/#website\"},\"breadcrumb\":{\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic\\\/sudden-divergence-in-transient-calculation-of-water-vapor-condensation-in-closed-space\\\/#breadcrumblist\"},\"datePublished\":\"2021-10-29T03:32:14+00:00\",\"dateModified\":\"2021-10-29T06:50:51+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":"Sudden divergence in transient calculation of water vapor condensation in closed space | Ansys Learning Forum","description":"Transient calculation can be calculated for a long time after the start, but it suddenly diverges in the middle (about 0.77s)Does anyone know why? Thank you.The geometric model, mesh, solution setting and results before divergence of the problem are as follows\uff1aCalculation of water vapor condensation in 100mm * 20mm space by axisymmetryThe two condensing surfaces","canonical_url":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/sudden-divergence-in-transient-calculation-of-water-vapor-condensation-in-closed-space\/","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"BreadcrumbList","@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/sudden-divergence-in-transient-calculation-of-water-vapor-condensation-in-closed-space\/#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\/vof\/#listItem","name":"vof"},"previousItem":{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/forum#listItem","name":"Home"}},{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic-tag\/vof\/#listItem","position":3,"name":"vof","item":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic-tag\/vof\/","nextItem":{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/sudden-divergence-in-transient-calculation-of-water-vapor-condensation-in-closed-space\/#listItem","name":"Sudden divergence in transient calculation of water vapor condensation in closed space"},"previousItem":{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/forum\/topics\/#listItem","name":"Topics"}},{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/sudden-divergence-in-transient-calculation-of-water-vapor-condensation-in-closed-space\/#listItem","position":4,"name":"Sudden divergence in transient calculation of water vapor condensation in closed space","previousItem":{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic-tag\/vof\/#listItem","name":"vof"}}]},{"@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\/sudden-divergence-in-transient-calculation-of-water-vapor-condensation-in-closed-space\/#webpage","url":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/sudden-divergence-in-transient-calculation-of-water-vapor-condensation-in-closed-space\/","name":"Sudden divergence in transient calculation of water vapor condensation in closed space | Ansys Learning Forum","description":"Transient calculation can be calculated for a long time after the start, but it suddenly diverges in the middle (about 0.77s)Does anyone know why? Thank you.The geometric model, mesh, solution setting and results before divergence of the problem are as follows\uff1aCalculation of water vapor condensation in 100mm * 20mm space by axisymmetryThe two condensing surfaces","inLanguage":"en-US","isPartOf":{"@id":"https:\/\/innovationspace.ansys.com\/forum\/#website"},"breadcrumb":{"@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/sudden-divergence-in-transient-calculation-of-water-vapor-condensation-in-closed-space\/#breadcrumblist"},"datePublished":"2021-10-29T03:32:14+00:00","dateModified":"2021-10-29T06:50:51+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":"Sudden divergence in transient calculation of water vapor condensation in closed space | Ansys Learning Forum","og:description":"Transient calculation can be calculated for a long time after the start, but it suddenly diverges in the middle (about 0.77s)Does anyone know why? Thank you.The geometric model, mesh, solution setting and results before divergence of the problem are as follows\uff1aCalculation of water vapor condensation in 100mm * 20mm space by axisymmetryThe two condensing surfaces","og:url":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/sudden-divergence-in-transient-calculation-of-water-vapor-condensation-in-closed-space\/","og:image":"https:\/\/innovationspace.ansys.com\/forum\/forum\/wp-content\/uploads\/forum-uploads\/551\/ZNCCMDHC59G5.png","og:image:secure_url":"https:\/\/innovationspace.ansys.com\/forum\/forum\/wp-content\/uploads\/forum-uploads\/551\/ZNCCMDHC59G5.png","article:published_time":"2021-10-29T03:32:14+00:00","article:modified_time":"2021-10-29T06:50:51+00:00","twitter:card":"summary_large_image","twitter:title":"Sudden divergence in transient calculation of water vapor condensation in closed space | Ansys Learning Forum","twitter:description":"Transient calculation can be calculated for a long time after the start, but it suddenly diverges in the middle (about 0.77s)Does anyone know why? Thank you.The geometric model, mesh, solution setting and results before divergence of the problem are as follows\uff1aCalculation of water vapor condensation in 100mm * 20mm space by axisymmetryThe two condensing surfaces","twitter:image":"https:\/\/innovationspace.ansys.com\/forum\/forum\/wp-content\/uploads\/forum-uploads\/551\/ZNCCMDHC59G5.png"},"aioseo_meta_data":{"post_id":"163516","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 20:24:48","updated":"2024-10-28 20:24:48","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\/vof\/\" title=\"vof\">vof<\/a>\n\t\t<\/span><span class=\"aioseo-breadcrumb-separator\">&raquo;<\/span><span class=\"aioseo-breadcrumb\">\n\t\t\tSudden divergence in transient calculation of water vapor condensation in closed space\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":"vof","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic-tag\/vof\/"},{"label":"Sudden divergence in transient calculation of water vapor condensation in closed space","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/sudden-divergence-in-transient-calculation-of-water-vapor-condensation-in-closed-space\/"}],"acf":[],"custom_fields":[{"0":{"_bbp_author_ip":[""],"_bbp_view_count":["296"],"_bbp_likes_count":["0","0"],"_bbp_forum_subforum_count":["0"],"_btv_view_count":["396"],"_bbp_subscription":["242065"],"_bbp_topic_status":["unanswered"],"_bbp_status":["publish"],"_bbp_topic_id":["163516"],"_bbp_forum_id":["27792"],"_bbp_engagement":["22555","223440"],"_bbp_voice_count":["2"],"_bbp_reply_count":["4"],"_bbp_last_reply_id":["196209"],"_bbp_last_active_id":["196209"],"_bbp_last_active_time":["2021-10-29 06:50:51"]},"test":"newyqyxjtu-stu-edu-cn"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/163516","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\/163516\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=163516"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}