{"id":342795,"date":"2024-01-02T18:08:47","date_gmt":"2024-01-02T18:08:47","guid":{"rendered":"\/forum\/forums\/topic\/ls-dyna-icfd-windkessel-type-boundary-condition-2\/"},"modified":"2024-01-16T23:49:02","modified_gmt":"2024-01-16T23:49:02","slug":"ls-dyna-icfd-windkessel-type-boundary-condition-2","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/ls-dyna-icfd-windkessel-type-boundary-condition-2\/","title":{"rendered":"LS-DYNA ICFD Windkessel type boundary condition"},"content":{"rendered":"<p>Hi Community,<\/p>\n<p>I am using LS-DYNA ICFD *ICFD_BOUNDARY_WINDKESSEL model to prescribe the outlet pres. conditions to the branches of my vessel geometry. Anyone knows how the pressure is calculated from the circuit? Does ICFD automatically retrieve the flux and pres. from the prev. iteration to calculate the current pres. on the surface?<\/p>\n<p>I compared the model deployed in ICFD with a prev. in-house model in CFX, ith the same geometry and BCs, yet the solutions are very different. I consulted the user mannual, but unfortunately the description was quite vague&#8230;<\/p>\n<p>Thanks.<\/p>\n","protected":false},"template":"","class_list":["post-342795","topic","type-topic","status-closed","hentry","topic-tag-icfd-1","topic-tag-Windkesselmodel-1"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"Hi Community,I am using LS-DYNA ICFD *ICFD_BOUNDARY_WINDKESSEL model to prescribe the outlet pres. conditions to the branches of my vessel geometry. Anyone knows how the pressure is calculated from the circuit? Does ICFD automatically retrieve the flux and pres. from the prev. iteration to calculate the current pres. on the surface?I compared the model deployed\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/ls-dyna-icfd-windkessel-type-boundary-condition-2\/\" \/>\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=\"LS-DYNA ICFD Windkessel type boundary condition | Ansys Learning Forum\" \/>\n\t\t<meta property=\"og:description\" content=\"Hi Community,I am using LS-DYNA ICFD *ICFD_BOUNDARY_WINDKESSEL model to prescribe the outlet pres. conditions to the branches of my vessel geometry. Anyone knows how the pressure is calculated from the circuit? Does ICFD automatically retrieve the flux and pres. from the prev. iteration to calculate the current pres. on the surface?I compared the model deployed\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/ls-dyna-icfd-windkessel-type-boundary-condition-2\/\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2024-01-02T18:08:47+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2024-01-16T23:49:02+00:00\" \/>\n\t\t<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n\t\t<meta name=\"twitter:title\" content=\"LS-DYNA ICFD Windkessel type boundary condition | Ansys Learning Forum\" \/>\n\t\t<meta name=\"twitter:description\" content=\"Hi Community,I am using LS-DYNA ICFD *ICFD_BOUNDARY_WINDKESSEL model to prescribe the outlet pres. conditions to the branches of my vessel geometry. Anyone knows how the pressure is calculated from the circuit? Does ICFD automatically retrieve the flux and pres. from the prev. iteration to calculate the current pres. on the surface?I compared the model deployed\" \/>\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\\\/ls-dyna-icfd-windkessel-type-boundary-condition-2\\\/#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\\\/Windkesselmodel-1\\\/#listItem\",\"name\":\"Windkessel-model\"},\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum#listItem\",\"name\":\"Home\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic-tag\\\/Windkesselmodel-1\\\/#listItem\",\"position\":3,\"name\":\"Windkessel-model\",\"item\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic-tag\\\/Windkesselmodel-1\\\/\",\"nextItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic\\\/ls-dyna-icfd-windkessel-type-boundary-condition-2\\\/#listItem\",\"name\":\"LS-DYNA ICFD Windkessel type boundary condition\"},\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/topics\\\/#listItem\",\"name\":\"Topics\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic\\\/ls-dyna-icfd-windkessel-type-boundary-condition-2\\\/#listItem\",\"position\":4,\"name\":\"LS-DYNA ICFD Windkessel type boundary condition\",\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic-tag\\\/Windkesselmodel-1\\\/#listItem\",\"name\":\"Windkessel-model\"}}]},{\"@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\\\/ls-dyna-icfd-windkessel-type-boundary-condition-2\\\/#webpage\",\"url\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic\\\/ls-dyna-icfd-windkessel-type-boundary-condition-2\\\/\",\"name\":\"LS-DYNA ICFD Windkessel type boundary condition | Ansys Learning Forum\",\"description\":\"Hi Community,I am using LS-DYNA ICFD *ICFD_BOUNDARY_WINDKESSEL model to prescribe the outlet pres. conditions to the branches of my vessel geometry. Anyone knows how the pressure is calculated from the circuit? Does ICFD automatically retrieve the flux and pres. from the prev. iteration to calculate the current pres. on the surface?I compared the model deployed\",\"inLanguage\":\"en-US\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/#website\"},\"breadcrumb\":{\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic\\\/ls-dyna-icfd-windkessel-type-boundary-condition-2\\\/#breadcrumblist\"},\"datePublished\":\"2024-01-02T18:08:47+00:00\",\"dateModified\":\"2024-01-16T23:49:02+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":"LS-DYNA ICFD Windkessel type boundary condition | Ansys Learning Forum","description":"Hi Community,I am using LS-DYNA ICFD *ICFD_BOUNDARY_WINDKESSEL model to prescribe the outlet pres. conditions to the branches of my vessel geometry. Anyone knows how the pressure is calculated from the circuit? Does ICFD automatically retrieve the flux and pres. from the prev. iteration to calculate the current pres. on the surface?I compared the model deployed","canonical_url":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/ls-dyna-icfd-windkessel-type-boundary-condition-2\/","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"BreadcrumbList","@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/ls-dyna-icfd-windkessel-type-boundary-condition-2\/#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\/Windkesselmodel-1\/#listItem","name":"Windkessel-model"},"previousItem":{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/forum#listItem","name":"Home"}},{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic-tag\/Windkesselmodel-1\/#listItem","position":3,"name":"Windkessel-model","item":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic-tag\/Windkesselmodel-1\/","nextItem":{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/ls-dyna-icfd-windkessel-type-boundary-condition-2\/#listItem","name":"LS-DYNA ICFD Windkessel type boundary condition"},"previousItem":{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/forum\/topics\/#listItem","name":"Topics"}},{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/ls-dyna-icfd-windkessel-type-boundary-condition-2\/#listItem","position":4,"name":"LS-DYNA ICFD Windkessel type boundary condition","previousItem":{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic-tag\/Windkesselmodel-1\/#listItem","name":"Windkessel-model"}}]},{"@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\/ls-dyna-icfd-windkessel-type-boundary-condition-2\/#webpage","url":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/ls-dyna-icfd-windkessel-type-boundary-condition-2\/","name":"LS-DYNA ICFD Windkessel type boundary condition | Ansys Learning Forum","description":"Hi Community,I am using LS-DYNA ICFD *ICFD_BOUNDARY_WINDKESSEL model to prescribe the outlet pres. conditions to the branches of my vessel geometry. Anyone knows how the pressure is calculated from the circuit? Does ICFD automatically retrieve the flux and pres. from the prev. iteration to calculate the current pres. on the surface?I compared the model deployed","inLanguage":"en-US","isPartOf":{"@id":"https:\/\/innovationspace.ansys.com\/forum\/#website"},"breadcrumb":{"@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/ls-dyna-icfd-windkessel-type-boundary-condition-2\/#breadcrumblist"},"datePublished":"2024-01-02T18:08:47+00:00","dateModified":"2024-01-16T23:49:02+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":"LS-DYNA ICFD Windkessel type boundary condition | Ansys Learning Forum","og:description":"Hi Community,I am using LS-DYNA ICFD *ICFD_BOUNDARY_WINDKESSEL model to prescribe the outlet pres. conditions to the branches of my vessel geometry. Anyone knows how the pressure is calculated from the circuit? Does ICFD automatically retrieve the flux and pres. from the prev. iteration to calculate the current pres. on the surface?I compared the model deployed","og:url":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/ls-dyna-icfd-windkessel-type-boundary-condition-2\/","article:published_time":"2024-01-02T18:08:47+00:00","article:modified_time":"2024-01-16T23:49:02+00:00","twitter:card":"summary_large_image","twitter:title":"LS-DYNA ICFD Windkessel type boundary condition | Ansys Learning Forum","twitter:description":"Hi Community,I am using LS-DYNA ICFD *ICFD_BOUNDARY_WINDKESSEL model to prescribe the outlet pres. conditions to the branches of my vessel geometry. Anyone knows how the pressure is calculated from the circuit? Does ICFD automatically retrieve the flux and pres. from the prev. iteration to calculate the current pres. on the surface?I compared the model deployed"},"aioseo_meta_data":{"post_id":"342795","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 17:07:09","updated":"2024-10-28 17:07:09","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\/Windkesselmodel-1\/\" title=\"Windkessel-model\">Windkessel-model<\/a>\n\t\t<\/span><span class=\"aioseo-breadcrumb-separator\">&raquo;<\/span><span class=\"aioseo-breadcrumb\">\n\t\t\tLS-DYNA ICFD Windkessel type boundary condition\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":"Windkessel-model","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic-tag\/Windkesselmodel-1\/"},{"label":"LS-DYNA ICFD Windkessel type boundary condition","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/ls-dyna-icfd-windkessel-type-boundary-condition-2\/"}],"acf":[],"custom_fields":[{"0":{"_bbp_subscription":["47694","523"],"_bbp_author_ip":["23.218.248.146"]," _bbp_last_reply_id":["0"]," _bbp_likes_count":["0"],"_btv_view_count":["995"],"_bbp_topic_status":["unanswered"],"_bbp_topic_id":["342795"],"_bbp_forum_id":["27814"],"_bbp_engagement":["523","47694"],"_bbp_voice_count":["2"],"_bbp_reply_count":["8"],"_bbp_last_reply_id":["348726"],"_bbp_last_active_id":["348726"],"_bbp_last_active_time":["2024-02-03 19:24:56"]},"test":"6811154a69189dbf3dea8551d366ebac69e385c4"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/342795","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\/342795\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=342795"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}