{"id":403777,"date":"2025-01-06T18:28:04","date_gmt":"2025-01-06T18:28:04","guid":{"rendered":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/403777\/"},"modified":"2025-01-06T18:28:04","modified_gmt":"2025-01-06T18:28:04","slug":"403777","status":"publish","type":"reply","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/403777\/","title":{"rendered":"Reply To: HET_RXN_RATE UDF"},"content":{"rendered":"<p>&lt;p&gt;Thanks for the tip on cell size! Need a clarification &#8211; Say many droplets are too fine to be captured by the VOF model, does that result in divergence (continuity equation residual) due to unaccounted mass of very fine droplets? If that is the case, then VOF to DPM transition becomes necessary I guess.&lt;\/p&gt;<\/p>\n","protected":false},"template":"","class_list":["post-403777","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=\"Thanks for the tip on cell size! Need a clarification - Say many droplets are too fine to be captured by the VOF model, does that result in divergence (continuity equation residual) due to unaccounted mass of very fine droplets? If that is the case, then VOF to DPM transition becomes necessary I guess.\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/403777\/\" \/>\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: HET_RXN_RATE UDF | Ansys Learning Forum\" \/>\n\t\t<meta property=\"og:description\" content=\"Thanks for the tip on cell size! Need a clarification - Say many droplets are too fine to be captured by the VOF model, does that result in divergence (continuity equation residual) due to unaccounted mass of very fine droplets? If that is the case, then VOF to DPM transition becomes necessary I guess.\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/403777\/\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2025-01-06T18:28:04+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2025-01-06T18:28:04+00:00\" \/>\n\t\t<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n\t\t<meta name=\"twitter:title\" content=\"Reply To: HET_RXN_RATE UDF | Ansys Learning Forum\" \/>\n\t\t<meta name=\"twitter:description\" content=\"Thanks for the tip on cell size! Need a clarification - Say many droplets are too fine to be captured by the VOF model, does that result in divergence (continuity equation residual) due to unaccounted mass of very fine droplets? If that is the case, then VOF to DPM transition becomes necessary I guess.\" \/>\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\\\/403777\\\/#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\\\/403777\\\/#listItem\",\"name\":\"Reply To: HET_RXN_RATE UDF\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/reply\\\/403777\\\/#listItem\",\"position\":2,\"name\":\"Reply To: HET_RXN_RATE UDF\",\"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\\\/403777\\\/#webpage\",\"url\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/reply\\\/403777\\\/\",\"name\":\"Reply To: HET_RXN_RATE UDF | Ansys Learning Forum\",\"description\":\"Thanks for the tip on cell size! Need a clarification - Say many droplets are too fine to be captured by the VOF model, does that result in divergence (continuity equation residual) due to unaccounted mass of very fine droplets? If that is the case, then VOF to DPM transition becomes necessary I guess.\",\"inLanguage\":\"en-US\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/#website\"},\"breadcrumb\":{\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/reply\\\/403777\\\/#breadcrumblist\"},\"datePublished\":\"2025-01-06T18:28:04+00:00\",\"dateModified\":\"2025-01-06T18:28:04+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: HET_RXN_RATE UDF | Ansys Learning Forum","description":"Thanks for the tip on cell size! Need a clarification - Say many droplets are too fine to be captured by the VOF model, does that result in divergence (continuity equation residual) due to unaccounted mass of very fine droplets? If that is the case, then VOF to DPM transition becomes necessary I guess.","canonical_url":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/403777\/","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"BreadcrumbList","@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/403777\/#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\/403777\/#listItem","name":"Reply To: HET_RXN_RATE UDF"}},{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/403777\/#listItem","position":2,"name":"Reply To: HET_RXN_RATE UDF","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\/403777\/#webpage","url":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/403777\/","name":"Reply To: HET_RXN_RATE UDF | Ansys Learning Forum","description":"Thanks for the tip on cell size! Need a clarification - Say many droplets are too fine to be captured by the VOF model, does that result in divergence (continuity equation residual) due to unaccounted mass of very fine droplets? If that is the case, then VOF to DPM transition becomes necessary I guess.","inLanguage":"en-US","isPartOf":{"@id":"https:\/\/innovationspace.ansys.com\/forum\/#website"},"breadcrumb":{"@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/403777\/#breadcrumblist"},"datePublished":"2025-01-06T18:28:04+00:00","dateModified":"2025-01-06T18:28:04+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: HET_RXN_RATE UDF | Ansys Learning Forum","og:description":"Thanks for the tip on cell size! Need a clarification - Say many droplets are too fine to be captured by the VOF model, does that result in divergence (continuity equation residual) due to unaccounted mass of very fine droplets? If that is the case, then VOF to DPM transition becomes necessary I guess.","og:url":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/403777\/","article:published_time":"2025-01-06T18:28:04+00:00","article:modified_time":"2025-01-06T18:28:04+00:00","twitter:card":"summary_large_image","twitter:title":"Reply To: HET_RXN_RATE UDF | Ansys Learning Forum","twitter:description":"Thanks for the tip on cell size! Need a clarification - Say many droplets are too fine to be captured by the VOF model, does that result in divergence (continuity equation residual) due to unaccounted mass of very fine droplets? If that is the case, then VOF to DPM transition becomes necessary I guess."},"aioseo_meta_data":{"post_id":"403777","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":"default","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":false,"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":"2025-10-17 23:25:14","updated":"2026-09-23 09:09:26","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\tReply To: HET_RXN_RATE UDF\n\t\t<\/span><\/div>","aioseo_breadcrumb_json":[{"label":"Home","link":"https:\/\/innovationspace.ansys.com\/forum"},{"label":"Reply To: HET_RXN_RATE UDF","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/403777\/"}],"acf":[],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/replies\/403777","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\/403777\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=403777"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}