{"id":396670,"date":"2024-12-07T15:45:18","date_gmt":"2024-12-07T15:45:18","guid":{"rendered":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/solver-pivot-warning-in-ansys-workbench-2024-r2\/"},"modified":"2024-12-07T15:45:18","modified_gmt":"2024-12-07T15:45:18","slug":"solver-pivot-warning-in-ansys-workbench-2024-r2","status":"publish","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/solver-pivot-warning-in-ansys-workbench-2024-r2\/","title":{"rendered":"Solver Pivot Warning in Ansys Workbench 2024 R2"},"content":{"rendered":"<p>&lt;p&gt;Hi everyone,&lt;\/p&gt;&lt;p&gt;I&rsquo;m encountering a solver pivot warning\/error in Ansys Workbench (2024 R2) while working on a static structural analysis. Below is the exact error message:&lt;\/p&gt;<\/p>\n<blockquote><p>&lt;p&gt;<strong>&#8220;A solver pivot warning or error has been detected in the UX degree of freedom of node 656799 located in Back Face Sheet; Back Face Sheet. This is usually a result of an ill-conditioned matrix possibly due to unreasonable material properties, an under-constrained model, or contact-related issues. Check results carefully. You may select the offending object and\/or geometry via RMB on this warning in the Messages window.&#8221;<\/strong>&lt;\/p&gt;<\/p><\/blockquote>\n<p>&lt;p&gt;Additionally, the solution takes an excessive amount of time, which might suggest further underlying issues. I&#8217;ve attached a screenshot for context&lt;br&gt;&lt;br&gt;Any guidance or suggestions would be highly appreciated! Let me know if you need more details about my setup.&lt;br&gt;&lt;br&gt;<img decoding=\"async\" src=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2024\/12\/07-12-2024-1733586309-mceclip0.png\" \/>&lt;\/p&gt;<\/p>\n","protected":false},"template":"","class_list":["post-396670","topic","type-topic","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=\"Hi everyone,I\u2019m encountering a solver pivot warning\/error in Ansys Workbench (2024 R2) while working on a static structural analysis. Below is the exact error message:&quot;A solver pivot warning or error has been detected in the UX degree of freedom of node 656799 located in Back Face Sheet; Back Face Sheet. 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This is usually a result\" \/>\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\\\/solver-pivot-warning-in-ansys-workbench-2024-r2\\\/#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\\\/solver-pivot-warning-in-ansys-workbench-2024-r2\\\/#listItem\",\"name\":\"Solver Pivot Warning in Ansys Workbench 2024 R2\"},\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum#listItem\",\"name\":\"Home\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic\\\/solver-pivot-warning-in-ansys-workbench-2024-r2\\\/#listItem\",\"position\":3,\"name\":\"Solver Pivot Warning in Ansys Workbench 2024 R2\",\"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\\\/solver-pivot-warning-in-ansys-workbench-2024-r2\\\/#webpage\",\"url\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic\\\/solver-pivot-warning-in-ansys-workbench-2024-r2\\\/\",\"name\":\"Solver Pivot Warning in Ansys Workbench 2024 R2 | Ansys Learning Forum\",\"description\":\"Hi everyone,I\\u2019m encountering a solver pivot warning\\\/error in Ansys Workbench (2024 R2) while working on a static structural analysis. 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Below is the exact error message:\"A solver pivot warning or error has been detected in the UX degree of freedom of node 656799 located in Back Face Sheet; Back Face Sheet. 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This is usually a result"},"aioseo_meta_data":{"post_id":"396670","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":"2025-10-19 10:03:50","updated":"2026-09-17 13:08:21","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\tSolver Pivot Warning in Ansys Workbench 2024 R2\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":"Solver Pivot Warning in Ansys Workbench 2024 R2","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/solver-pivot-warning-in-ansys-workbench-2024-r2\/"}],"acf":[],"custom_fields":[{"0":{"_bbp_forum_id":["27791"],"_bbp_topic_id":["396670"],"_bbp_author_ip":["197.37.142.208"],"_bbp_last_reply_id":["396702"],"_bbp_last_active_id":["396702"],"_bbp_last_active_time":["2024-12-08 21:18:57"],"_bbp_reply_count":["1"],"_bbp_reply_count_hidden":["0"],"_bbp_voice_count":["2"],"_bbp_engagement":["487804","240"],"_btv_view_count":["354"],"_bbp_topic_status":["unanswered"],"_bbp_subscription":["240"]},"test":"bahy209815bue-edu-eg"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/396670","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\/396670\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=396670"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}