{"id":161853,"date":"2023-01-25T07:17:08","date_gmt":"2023-01-25T07:17:08","guid":{"rendered":"\/knowledge\/forums\/topic\/how-to-simulate-noncondensable-gases-in-conjunction-with-cavitation\/"},"modified":"2023-07-31T12:36:01","modified_gmt":"2023-07-31T12:36:01","slug":"how-to-simulate-noncondensable-gases-in-conjunction-with-cavitation","status":"publish","type":"topic","link":"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/how-to-simulate-noncondensable-gases-in-conjunction-with-cavitation\/","title":{"rendered":"How to simulate noncondensable gases in conjunction with cavitation?"},"content":{"rendered":"<p>There are 3 options to take noncondensable gases (NCGS) into account. Option 1 and 2 is highly recommended because of better robustness.  1.) Zwart-Gerber or Schnerr-Sauer cavitation model and 3-phase system: liquid + vapor + compressible NCGS   2.) Zwart-Gerber or Schnerr-Sauer cavitation model and 2-phase system: liquid + compressible mixture of vapor and NCGS  3.) Singhal cavitation model which can be activated by TUI. In this model the volume fraction in postprocessing is the sum of vapor and NCGS. To see the vapor only, use following command: (rpsetvar &#8216;cvt\/total-gas-vof? #f)<\/p>\n","protected":false},"template":"","class_list":["post-161853","topic","type-topic","status-publish","hentry","topic-tag-4424","topic-tag-fluent","topic-tag-fluid-dynamics","topic-tag-mp-eulerian-mp-flow","topic-tag-multiphase","topic-tag-phase-change"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"There are 3 options to take noncondensable gases (NCGS) into account. Option 1 and 2 is highly recommended because of better robustness. 1.) Zwart-Gerber or Schnerr-Sauer cavitation model and 3-phase system: liquid + vapor + compressible NCGS 2.) Zwart-Gerber or Schnerr-Sauer cavitation model and 2-phase system: liquid + compressible mixture of vapor and NCGS 3.)\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/how-to-simulate-noncondensable-gases-in-conjunction-with-cavitation\/\" \/>\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 Knowledge | Ansys Innovation Space\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"How to simulate noncondensable gases in conjunction with cavitation? | Ansys Knowledge\" \/>\n\t\t<meta property=\"og:description\" content=\"There are 3 options to take noncondensable gases (NCGS) into account. Option 1 and 2 is highly recommended because of better robustness. 1.) Zwart-Gerber or Schnerr-Sauer cavitation model and 3-phase system: liquid + vapor + compressible NCGS 2.) Zwart-Gerber or Schnerr-Sauer cavitation model and 2-phase system: liquid + compressible mixture of vapor and NCGS 3.)\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/how-to-simulate-noncondensable-gases-in-conjunction-with-cavitation\/\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2023-01-25T07:17:08+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2023-07-31T12:36:01+00:00\" \/>\n\t\t<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n\t\t<meta name=\"twitter:title\" content=\"How to simulate noncondensable gases in conjunction with cavitation? | Ansys Knowledge\" \/>\n\t\t<meta name=\"twitter:description\" content=\"There are 3 options to take noncondensable gases (NCGS) into account. Option 1 and 2 is highly recommended because of better robustness. 1.) Zwart-Gerber or Schnerr-Sauer cavitation model and 3-phase system: liquid + vapor + compressible NCGS 2.) Zwart-Gerber or Schnerr-Sauer cavitation model and 2-phase system: liquid + compressible mixture of vapor and NCGS 3.)\" \/>\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\\\/knowledge\\\/forums\\\/topic\\\/how-to-simulate-noncondensable-gases-in-conjunction-with-cavitation\\\/#breadcrumblist\",\"itemListElement\":[{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge#listItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\",\"nextItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/topics\\\/#listItem\",\"name\":\"Topics\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/topics\\\/#listItem\",\"position\":2,\"name\":\"Topics\",\"item\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/topics\\\/\",\"nextItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/forums\\\/topic-tag\\\/fluent\\\/#listItem\",\"name\":\"fluent\"},\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge#listItem\",\"name\":\"Home\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/forums\\\/topic-tag\\\/fluent\\\/#listItem\",\"position\":3,\"name\":\"fluent\",\"item\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/forums\\\/topic-tag\\\/fluent\\\/\",\"nextItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/forums\\\/topic\\\/how-to-simulate-noncondensable-gases-in-conjunction-with-cavitation\\\/#listItem\",\"name\":\"How to simulate noncondensable gases in conjunction with cavitation?\"},\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/topics\\\/#listItem\",\"name\":\"Topics\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/forums\\\/topic\\\/how-to-simulate-noncondensable-gases-in-conjunction-with-cavitation\\\/#listItem\",\"position\":4,\"name\":\"How to simulate noncondensable gases in conjunction with cavitation?\",\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/forums\\\/topic-tag\\\/fluent\\\/#listItem\",\"name\":\"fluent\"}}]},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/#organization\",\"name\":\"Ansys Knowledge\",\"description\":\"Ansys Innovation Space\",\"url\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/forums\\\/topic\\\/how-to-simulate-noncondensable-gases-in-conjunction-with-cavitation\\\/#webpage\",\"url\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/forums\\\/topic\\\/how-to-simulate-noncondensable-gases-in-conjunction-with-cavitation\\\/\",\"name\":\"How to simulate noncondensable gases in conjunction with cavitation? | Ansys Knowledge\",\"description\":\"There are 3 options to take noncondensable gases (NCGS) into account. Option 1 and 2 is highly recommended because of better robustness. 1.) Zwart-Gerber or Schnerr-Sauer cavitation model and 3-phase system: liquid + vapor + compressible NCGS 2.) Zwart-Gerber or Schnerr-Sauer cavitation model and 2-phase system: liquid + compressible mixture of vapor and NCGS 3.)\",\"inLanguage\":\"en-US\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/#website\"},\"breadcrumb\":{\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/forums\\\/topic\\\/how-to-simulate-noncondensable-gases-in-conjunction-with-cavitation\\\/#breadcrumblist\"},\"datePublished\":\"2023-01-25T07:17:08+00:00\",\"dateModified\":\"2023-07-31T12:36:01+00:00\"},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/#website\",\"url\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/\",\"name\":\"Ansys Knowledge\",\"description\":\"Ansys Innovation Space\",\"inLanguage\":\"en-US\",\"publisher\":{\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/#organization\"}}]}\n\t\t<\/script>\n\t\t<!-- All in One SEO -->\n\n","aioseo_head_json":{"title":"How to simulate noncondensable gases in conjunction with cavitation? | Ansys Knowledge","description":"There are 3 options to take noncondensable gases (NCGS) into account. Option 1 and 2 is highly recommended because of better robustness. 1.) Zwart-Gerber or Schnerr-Sauer cavitation model and 3-phase system: liquid + vapor + compressible NCGS 2.) Zwart-Gerber or Schnerr-Sauer cavitation model and 2-phase system: liquid + compressible mixture of vapor and NCGS 3.)","canonical_url":"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/how-to-simulate-noncondensable-gases-in-conjunction-with-cavitation\/","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"BreadcrumbList","@id":"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/how-to-simulate-noncondensable-gases-in-conjunction-with-cavitation\/#breadcrumblist","itemListElement":[{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/knowledge#listItem","position":1,"name":"Home","item":"https:\/\/innovationspace.ansys.com\/knowledge","nextItem":{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/knowledge\/topics\/#listItem","name":"Topics"}},{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/knowledge\/topics\/#listItem","position":2,"name":"Topics","item":"https:\/\/innovationspace.ansys.com\/knowledge\/topics\/","nextItem":{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic-tag\/fluent\/#listItem","name":"fluent"},"previousItem":{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/knowledge#listItem","name":"Home"}},{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic-tag\/fluent\/#listItem","position":3,"name":"fluent","item":"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic-tag\/fluent\/","nextItem":{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/how-to-simulate-noncondensable-gases-in-conjunction-with-cavitation\/#listItem","name":"How to simulate noncondensable gases in conjunction with cavitation?"},"previousItem":{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/knowledge\/topics\/#listItem","name":"Topics"}},{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/how-to-simulate-noncondensable-gases-in-conjunction-with-cavitation\/#listItem","position":4,"name":"How to simulate noncondensable gases in conjunction with cavitation?","previousItem":{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic-tag\/fluent\/#listItem","name":"fluent"}}]},{"@type":"Organization","@id":"https:\/\/innovationspace.ansys.com\/knowledge\/#organization","name":"Ansys Knowledge","description":"Ansys Innovation Space","url":"https:\/\/innovationspace.ansys.com\/knowledge\/"},{"@type":"WebPage","@id":"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/how-to-simulate-noncondensable-gases-in-conjunction-with-cavitation\/#webpage","url":"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/how-to-simulate-noncondensable-gases-in-conjunction-with-cavitation\/","name":"How to simulate noncondensable gases in conjunction with cavitation? | Ansys Knowledge","description":"There are 3 options to take noncondensable gases (NCGS) into account. Option 1 and 2 is highly recommended because of better robustness. 1.) Zwart-Gerber or Schnerr-Sauer cavitation model and 3-phase system: liquid + vapor + compressible NCGS 2.) Zwart-Gerber or Schnerr-Sauer cavitation model and 2-phase system: liquid + compressible mixture of vapor and NCGS 3.)","inLanguage":"en-US","isPartOf":{"@id":"https:\/\/innovationspace.ansys.com\/knowledge\/#website"},"breadcrumb":{"@id":"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/how-to-simulate-noncondensable-gases-in-conjunction-with-cavitation\/#breadcrumblist"},"datePublished":"2023-01-25T07:17:08+00:00","dateModified":"2023-07-31T12:36:01+00:00"},{"@type":"WebSite","@id":"https:\/\/innovationspace.ansys.com\/knowledge\/#website","url":"https:\/\/innovationspace.ansys.com\/knowledge\/","name":"Ansys Knowledge","description":"Ansys Innovation Space","inLanguage":"en-US","publisher":{"@id":"https:\/\/innovationspace.ansys.com\/knowledge\/#organization"}}]},"og:locale":"en_US","og:site_name":"Ansys Knowledge | Ansys Innovation Space","og:type":"article","og:title":"How to simulate noncondensable gases in conjunction with cavitation? | Ansys Knowledge","og:description":"There are 3 options to take noncondensable gases (NCGS) into account. Option 1 and 2 is highly recommended because of better robustness. 1.) Zwart-Gerber or Schnerr-Sauer cavitation model and 3-phase system: liquid + vapor + compressible NCGS 2.) Zwart-Gerber or Schnerr-Sauer cavitation model and 2-phase system: liquid + compressible mixture of vapor and NCGS 3.)","og:url":"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/how-to-simulate-noncondensable-gases-in-conjunction-with-cavitation\/","article:published_time":"2023-01-25T07:17:08+00:00","article:modified_time":"2023-07-31T12:36:01+00:00","twitter:card":"summary_large_image","twitter:title":"How to simulate noncondensable gases in conjunction with cavitation? | Ansys Knowledge","twitter:description":"There are 3 options to take noncondensable gases (NCGS) into account. Option 1 and 2 is highly recommended because of better robustness. 1.) Zwart-Gerber or Schnerr-Sauer cavitation model and 3-phase system: liquid + vapor + compressible NCGS 2.) Zwart-Gerber or Schnerr-Sauer cavitation model and 2-phase system: liquid + compressible mixture of vapor and NCGS 3.)"},"aioseo_meta_data":{"post_id":"161853","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 19:27:16","updated":"2026-07-29 06:21:55","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\/knowledge\" 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\/knowledge\/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\/knowledge\/forums\/topic-tag\/fluent\/\" title=\"fluent\">fluent<\/a>\n\t\t<\/span><span class=\"aioseo-breadcrumb-separator\">&raquo;<\/span><span class=\"aioseo-breadcrumb\">\n\t\t\tHow to simulate noncondensable gases in conjunction with cavitation?\n\t\t<\/span><\/div>","aioseo_breadcrumb_json":[{"label":"Home","link":"https:\/\/innovationspace.ansys.com\/knowledge"},{"label":"Topics","link":"https:\/\/innovationspace.ansys.com\/knowledge\/topics\/"},{"label":"fluent","link":"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic-tag\/fluent\/"},{"label":"How to simulate noncondensable gases in conjunction with cavitation?","link":"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/how-to-simulate-noncondensable-gases-in-conjunction-with-cavitation\/"}],"acf":[],"custom_fields":[{"0":{"_wp_page_template":["default"],"_bbp_forum_id":["27809"],"_bbp_author_ip":["23.56.168.180"],"_bbp_last_active_time":["1-24-2023  20:20:17"],"_btv_view_count":["424"],"siebel_km_number":["2040009"],"product_version":["16"],"km_published_date":["2015-08-12T14:01:01.000Z"],"family":["Fluid Dynamics"],"application_name":["FLUENT"]},"test":"articlesansys-com"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/knowledge\/wp-json\/wp\/v2\/topics\/161853","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/innovationspace.ansys.com\/knowledge\/wp-json\/wp\/v2\/topics"}],"about":[{"href":"https:\/\/innovationspace.ansys.com\/knowledge\/wp-json\/wp\/v2\/types\/topic"}],"version-history":[{"count":0,"href":"https:\/\/innovationspace.ansys.com\/knowledge\/wp-json\/wp\/v2\/topics\/161853\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/knowledge\/wp-json\/wp\/v2\/media?parent=161853"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}