{"id":183235,"date":"2021-07-27T16:34:10","date_gmt":"2021-07-27T16:34:10","guid":{"rendered":"\/forum\/forums\/reply\/183235\/"},"modified":"2021-07-27T16:34:10","modified_gmt":"2021-07-27T16:34:10","slug":"183235","status":"publish","type":"reply","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/183235\/","title":{"rendered":"Reply To: UPFs &#8211; How to call the user-defined failure criteria subroutine in APDL?"},"content":{"rendered":"<p>I am not getting an error message, but the results are not right. There is no property degradation and the results are similar to a linear elastic analysis. The stress distribution, if it were coreect, would have been similar to using &#8220;TBDATA,1,2,2,2,2&#8221;. For reference, here is what I modified in the file userfc.F:<br \/>\n#include &#8220;impcom.inc&#8221;<br \/>\nc<br \/>\nexternal vmax, vzero<br \/>\nintegerelem,matlay,iott, nfcOut, iloc<br \/>\ndouble precision<br \/>\nxeps(6),sig(6), fc(9),tem,elim(*),slim(*), vmax,vect(9)<br \/>\nc<br \/>\nc<br \/>\nc- nfcOut must be set to 1 or greater if the user subroutine is to be used (see example below)<br \/>\ncnfcOut = 0<br \/>\nc<br \/>\nc<br \/>\ncccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc<br \/>\nc **** dummy code to avoid analyzer messages. Should be removed by programmer: commented out<br \/>\ncfc(1) = tem*elim(1)*eps(1)*sig(1)*slim(1)*elem*iott*matlay<br \/>\nccall vzero (vect(1), 9)<br \/>\nc fc(1) =vmax (vect(1),9,iloc)<br \/>\nc<br \/>\ncccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc<br \/>\nc**** Example to demonstrate user failure criterion coding ****<br \/>\nc******* maximum stress criterion*******<br \/>\nnfcOut = 1<br \/>\nvect(1) = sig(1)\/slim(1)<br \/>\nvect(2) = sig(1)\/slim(2)<br \/>\nvect(3) = sig(2)\/slim(3)<br \/>\nvect(4) = sig(2)\/slim(4)<br \/>\nvect(5) = sig(3)\/slim(5)<br \/>\nvect(6) = sig(3)\/slim(6)<br \/>\nvect(7) = (abs (sig(4)))\/slim(7)<br \/>\nvect(8) = (abs (sig(5)))\/slim(8)<br \/>\nvect(9) = (abs (sig(6)))\/slim(9)<br \/>\nfc(1) = vmax (vect(1),9,iloc)<br \/>\ncccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc<\/p>\n","protected":false},"template":"","class_list":["post-183235","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=\"I am not getting an error message, but the results are not right. There is no property degradation and the results are similar to a linear elastic analysis. The stress distribution, if it were coreect, would have been similar to using &quot;TBDATA,1,2,2,2,2&quot;. For reference, here is what I modified in the file userfc.F: #include &quot;impcom.inc&quot;\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/183235\/\" \/>\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: UPFs \u2013 How to call the user-defined failure criteria subroutine in APDL? | Ansys Learning Forum\" \/>\n\t\t<meta property=\"og:description\" content=\"I am not getting an error message, but the results are not right. There is no property degradation and the results are similar to a linear elastic analysis. The stress distribution, if it were coreect, would have been similar to using &quot;TBDATA,1,2,2,2,2&quot;. For reference, here is what I modified in the file userfc.F: #include &quot;impcom.inc&quot;\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/183235\/\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2021-07-27T16:34:10+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2021-07-27T16:34:10+00:00\" \/>\n\t\t<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n\t\t<meta name=\"twitter:title\" content=\"Reply To: UPFs \u2013 How to call the user-defined failure criteria subroutine in APDL? | Ansys Learning Forum\" \/>\n\t\t<meta name=\"twitter:description\" content=\"I am not getting an error message, but the results are not right. There is no property degradation and the results are similar to a linear elastic analysis. The stress distribution, if it were coreect, would have been similar to using &quot;TBDATA,1,2,2,2,2&quot;. For reference, here is what I modified in the file userfc.F: #include &quot;impcom.inc&quot;\" \/>\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\\\/183235\\\/#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\\\/183235\\\/#listItem\",\"name\":\"Reply To: UPFs &#8211; How to call the user-defined failure criteria subroutine in APDL?\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/reply\\\/183235\\\/#listItem\",\"position\":2,\"name\":\"Reply To: UPFs &#8211; How to call the user-defined failure criteria subroutine in APDL?\",\"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\\\/183235\\\/#webpage\",\"url\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/reply\\\/183235\\\/\",\"name\":\"Reply To: UPFs \\u2013 How to call the user-defined failure criteria subroutine in APDL? | Ansys Learning Forum\",\"description\":\"I am not getting an error message, but the results are not right. There is no property degradation and the results are similar to a linear elastic analysis. The stress distribution, if it were coreect, would have been similar to using \\\"TBDATA,1,2,2,2,2\\\". For reference, here is what I modified in the file userfc.F: #include \\\"impcom.inc\\\"\",\"inLanguage\":\"en-US\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/#website\"},\"breadcrumb\":{\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/reply\\\/183235\\\/#breadcrumblist\"},\"datePublished\":\"2021-07-27T16:34:10+00:00\",\"dateModified\":\"2021-07-27T16:34:10+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: UPFs \u2013 How to call the user-defined failure criteria subroutine in APDL? | Ansys Learning Forum","description":"I am not getting an error message, but the results are not right. There is no property degradation and the results are similar to a linear elastic analysis. The stress distribution, if it were coreect, would have been similar to using \"TBDATA,1,2,2,2,2\". For reference, here is what I modified in the file userfc.F: #include \"impcom.inc\"","canonical_url":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/183235\/","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"BreadcrumbList","@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/183235\/#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\/183235\/#listItem","name":"Reply To: UPFs &#8211; How to call the user-defined failure criteria subroutine in APDL?"}},{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/183235\/#listItem","position":2,"name":"Reply To: UPFs &#8211; How to call the user-defined failure criteria subroutine in APDL?","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\/183235\/#webpage","url":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/183235\/","name":"Reply To: UPFs \u2013 How to call the user-defined failure criteria subroutine in APDL? | Ansys Learning Forum","description":"I am not getting an error message, but the results are not right. There is no property degradation and the results are similar to a linear elastic analysis. The stress distribution, if it were coreect, would have been similar to using \"TBDATA,1,2,2,2,2\". For reference, here is what I modified in the file userfc.F: #include \"impcom.inc\"","inLanguage":"en-US","isPartOf":{"@id":"https:\/\/innovationspace.ansys.com\/forum\/#website"},"breadcrumb":{"@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/183235\/#breadcrumblist"},"datePublished":"2021-07-27T16:34:10+00:00","dateModified":"2021-07-27T16:34:10+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: UPFs \u2013 How to call the user-defined failure criteria subroutine in APDL? | Ansys Learning Forum","og:description":"I am not getting an error message, but the results are not right. There is no property degradation and the results are similar to a linear elastic analysis. The stress distribution, if it were coreect, would have been similar to using &quot;TBDATA,1,2,2,2,2&quot;. For reference, here is what I modified in the file userfc.F: #include &quot;impcom.inc&quot;","og:url":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/183235\/","article:published_time":"2021-07-27T16:34:10+00:00","article:modified_time":"2021-07-27T16:34:10+00:00","twitter:card":"summary_large_image","twitter:title":"Reply To: UPFs \u2013 How to call the user-defined failure criteria subroutine in APDL? | Ansys Learning Forum","twitter:description":"I am not getting an error message, but the results are not right. There is no property degradation and the results are similar to a linear elastic analysis. The stress distribution, if it were coreect, would have been similar to using &quot;TBDATA,1,2,2,2,2&quot;. For reference, here is what I modified in the file userfc.F: #include &quot;impcom.inc&quot;"},"aioseo_meta_data":{"post_id":"183235","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":"2024-10-23 19:07:16","updated":"2024-10-28 20:01:49","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\tReply To: UPFs \u2013 How to call the user-defined failure criteria subroutine in APDL?\n\t\t<\/span><\/div>","aioseo_breadcrumb_json":[{"label":"Home","link":"https:\/\/innovationspace.ansys.com\/forum"},{"label":"Reply To: UPFs &#8211; How to call the user-defined failure criteria subroutine in APDL?","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/183235\/"}],"acf":[],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/replies\/183235","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\/183235\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=183235"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}