{"id":319449,"date":"2023-11-25T14:09:30","date_gmt":"2023-11-25T14:09:30","guid":{"rendered":"\/forum\/forums\/topic\/incorrect-area-for-an-interior-face-through-udf\/"},"modified":"2023-11-25T14:09:30","modified_gmt":"2023-11-25T14:09:30","slug":"incorrect-area-for-an-interior-face-through-udf","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/incorrect-area-for-an-interior-face-through-udf\/","title":{"rendered":"Incorrect area for an interior face through udf."},"content":{"rendered":"<p>Hi<\/p>\n<p>I am trying to calculate area of interior face through UDF and getting wrong results. I have already come across a thread on forums regarding a similar problem but could not reach correct results. My UDF is as follows:<\/p>\n<p>#include &#8220;udf.h&#8221;<br \/>#include &#8220;sg.h&#8221;<br \/>DEFINE_ON_DEMAND(Face_area)<br \/>{<br \/>face_t face;<br \/>Thread* thread;<br \/>Domain* domain;<br \/>domain = Get_Domain(1);<br \/>int zone_id = 8;<br \/>thread = Lookup_Thread(domain, zone_id);<br \/>real va[ND_ND]; \/* for storing area vector *\/<br \/>real Area = 0;<\/p>\n<p>begin_f_loop(face, thread)<br \/>{<br \/>F_AREA(va, face, thread); \/* Obtain the area vector *\/<br \/>Area += NV_MAG(va); \/* Obtain area magnitude *\/<\/p>\n<p>}<br \/>end_f_loop(face, thread)<br \/>#if RP_NODE<br \/>Area = PRF_GRSUM1(Area);<br \/>#endif<br \/>node_to_host_real_1(Area);<br \/>#if RP_HOST<br \/>Message(&#8220;Area of top surface is %e\\n&#8221;, Area);<br \/>#endif<br \/>}<\/p>\n","protected":false},"template":"","class_list":["post-319449","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=\"HiI am trying to calculate area of interior face through UDF and getting wrong results. I have already come across a thread on forums regarding a similar problem but could not reach correct results. My UDF is as follows:#include &quot;udf.h&quot;#include &quot;sg.h&quot;DEFINE_ON_DEMAND(Face_area){face_t face;Thread* thread;Domain* domain;domain = Get_Domain(1);int zone_id = 8;thread = Lookup_Thread(domain, zone_id);real va[ND_ND]; \/* for\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/incorrect-area-for-an-interior-face-through-udf\/\" \/>\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=\"Incorrect area for an interior face through udf. | Ansys Learning Forum\" \/>\n\t\t<meta property=\"og:description\" content=\"HiI am trying to calculate area of interior face through UDF and getting wrong results. I have already come across a thread on forums regarding a similar problem but could not reach correct results. My UDF is as follows:#include &quot;udf.h&quot;#include &quot;sg.h&quot;DEFINE_ON_DEMAND(Face_area){face_t face;Thread* thread;Domain* domain;domain = Get_Domain(1);int zone_id = 8;thread = Lookup_Thread(domain, zone_id);real va[ND_ND]; \/* for\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/incorrect-area-for-an-interior-face-through-udf\/\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2023-11-25T14:09:30+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2023-11-25T14:09:30+00:00\" \/>\n\t\t<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n\t\t<meta name=\"twitter:title\" content=\"Incorrect area for an interior face through udf. | Ansys Learning Forum\" \/>\n\t\t<meta name=\"twitter:description\" content=\"HiI am trying to calculate area of interior face through UDF and getting wrong results. I have already come across a thread on forums regarding a similar problem but could not reach correct results. My UDF is as follows:#include &quot;udf.h&quot;#include &quot;sg.h&quot;DEFINE_ON_DEMAND(Face_area){face_t face;Thread* thread;Domain* domain;domain = Get_Domain(1);int zone_id = 8;thread = Lookup_Thread(domain, zone_id);real va[ND_ND]; \/* for\" \/>\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\\\/incorrect-area-for-an-interior-face-through-udf\\\/#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\\\/incorrect-area-for-an-interior-face-through-udf\\\/#listItem\",\"name\":\"Incorrect area for an interior face through udf.\"},\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum#listItem\",\"name\":\"Home\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic\\\/incorrect-area-for-an-interior-face-through-udf\\\/#listItem\",\"position\":3,\"name\":\"Incorrect area for an interior face through udf.\",\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/topics\\\/#listItem\",\"name\":\"Topics\"}}]},{\"@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\\\/incorrect-area-for-an-interior-face-through-udf\\\/#webpage\",\"url\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic\\\/incorrect-area-for-an-interior-face-through-udf\\\/\",\"name\":\"Incorrect area for an interior face through udf. | Ansys Learning Forum\",\"description\":\"HiI am trying to calculate area of interior face through UDF and getting wrong results. I have already come across a thread on forums regarding a similar problem but could not reach correct results. My UDF is as follows:#include \\\"udf.h\\\"#include \\\"sg.h\\\"DEFINE_ON_DEMAND(Face_area){face_t face;Thread* thread;Domain* domain;domain = Get_Domain(1);int zone_id = 8;thread = Lookup_Thread(domain, zone_id);real va[ND_ND]; \\\/* for\",\"inLanguage\":\"en-US\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/#website\"},\"breadcrumb\":{\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic\\\/incorrect-area-for-an-interior-face-through-udf\\\/#breadcrumblist\"},\"datePublished\":\"2023-11-25T14:09:30+00:00\",\"dateModified\":\"2023-11-25T14:09:30+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":"Incorrect area for an interior face through udf. | Ansys Learning Forum","description":"HiI am trying to calculate area of interior face through UDF and getting wrong results. I have already come across a thread on forums regarding a similar problem but could not reach correct results. My UDF is as follows:#include \"udf.h\"#include \"sg.h\"DEFINE_ON_DEMAND(Face_area){face_t face;Thread* thread;Domain* domain;domain = Get_Domain(1);int zone_id = 8;thread = Lookup_Thread(domain, zone_id);real va[ND_ND]; \/* for","canonical_url":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/incorrect-area-for-an-interior-face-through-udf\/","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"BreadcrumbList","@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/incorrect-area-for-an-interior-face-through-udf\/#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\/incorrect-area-for-an-interior-face-through-udf\/#listItem","name":"Incorrect area for an interior face through udf."},"previousItem":{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/forum#listItem","name":"Home"}},{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/incorrect-area-for-an-interior-face-through-udf\/#listItem","position":3,"name":"Incorrect area for an interior face through udf.","previousItem":{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/forum\/topics\/#listItem","name":"Topics"}}]},{"@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\/incorrect-area-for-an-interior-face-through-udf\/#webpage","url":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/incorrect-area-for-an-interior-face-through-udf\/","name":"Incorrect area for an interior face through udf. | Ansys Learning Forum","description":"HiI am trying to calculate area of interior face through UDF and getting wrong results. I have already come across a thread on forums regarding a similar problem but could not reach correct results. My UDF is as follows:#include \"udf.h\"#include \"sg.h\"DEFINE_ON_DEMAND(Face_area){face_t face;Thread* thread;Domain* domain;domain = Get_Domain(1);int zone_id = 8;thread = Lookup_Thread(domain, zone_id);real va[ND_ND]; \/* for","inLanguage":"en-US","isPartOf":{"@id":"https:\/\/innovationspace.ansys.com\/forum\/#website"},"breadcrumb":{"@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/incorrect-area-for-an-interior-face-through-udf\/#breadcrumblist"},"datePublished":"2023-11-25T14:09:30+00:00","dateModified":"2023-11-25T14:09:30+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":"Incorrect area for an interior face through udf. | Ansys Learning Forum","og:description":"HiI am trying to calculate area of interior face through UDF and getting wrong results. I have already come across a thread on forums regarding a similar problem but could not reach correct results. My UDF is as follows:#include &quot;udf.h&quot;#include &quot;sg.h&quot;DEFINE_ON_DEMAND(Face_area){face_t face;Thread* thread;Domain* domain;domain = Get_Domain(1);int zone_id = 8;thread = Lookup_Thread(domain, zone_id);real va[ND_ND]; \/* for","og:url":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/incorrect-area-for-an-interior-face-through-udf\/","article:published_time":"2023-11-25T14:09:30+00:00","article:modified_time":"2023-11-25T14:09:30+00:00","twitter:card":"summary_large_image","twitter:title":"Incorrect area for an interior face through udf. | Ansys Learning Forum","twitter:description":"HiI am trying to calculate area of interior face through UDF and getting wrong results. I have already come across a thread on forums regarding a similar problem but could not reach correct results. My UDF is as follows:#include &quot;udf.h&quot;#include &quot;sg.h&quot;DEFINE_ON_DEMAND(Face_area){face_t face;Thread* thread;Domain* domain;domain = Get_Domain(1);int zone_id = 8;thread = Lookup_Thread(domain, zone_id);real va[ND_ND]; \/* for"},"aioseo_meta_data":{"post_id":"319449","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 17:31:49","updated":"2024-10-28 17:31:49","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\tIncorrect area for an interior face through udf.\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":"Incorrect area for an interior face through udf.","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/incorrect-area-for-an-interior-face-through-udf\/"}],"acf":[],"custom_fields":[{"0":{"_bbp_subscription":["44163","14311"],"_bbp_author_ip":["23.218.248.135"]," _bbp_last_reply_id":["0"]," _bbp_likes_count":["0"],"_btv_view_count":["513"],"_bbp_topic_status":["unanswered"],"_bbp_status":["publish"],"_bbp_topic_id":["319449"],"_bbp_forum_id":["27792"],"_bbp_engagement":["14311","44163"],"_bbp_voice_count":["2"],"_bbp_reply_count":["1"],"_bbp_last_reply_id":["319692"],"_bbp_last_active_id":["319692"],"_bbp_last_active_time":["2023-11-28 07:17:10"]},"test":"mishranamrata1196gmail-com"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/319449","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\/319449\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=319449"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}