{"id":360612,"date":"2024-04-05T08:28:48","date_gmt":"2024-04-05T08:28:48","guid":{"rendered":"\/forum\/forums\/topic\/solver-pivot-error-3\/"},"modified":"2024-04-05T08:28:48","modified_gmt":"2024-04-05T08:28:48","slug":"solver-pivot-error-3","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/solver-pivot-error-3\/","title":{"rendered":"Solver Pivot Error"},"content":{"rendered":"<p>Dear all,<\/p>\n<p>I am trying to run a static structural simulation of a beam. I get the following error:<\/p>\n<p><img decoding=\"async\" src=\"\/forum\/wp-content\/uploads\/sites\/2\/2024\/04\/05-04-2024-1712304392-mceclip0.png\"><\/p>\n<p>The material used in this simulation is structural steel (ansys default configuration), therefore, there shouldn&acute;t be any material related issues.<br \/>The model is properly constrained since there is a fixed support applied to two different faces (see figure below). Also, there shouldn&acute;t be any contact related issues because the geometry is made of a single solid, so there are no need for contacts.&nbsp;<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"\/forum\/wp-content\/uploads\/sites\/2\/2024\/04\/05-04-2024-1712304603-mceclip1.png\" width=\"747\" height=\"233\"><\/p>\n<p>If the &#8220;Solver pivot checking&#8221; is turned off, the simulation converges, but the deformation obtained are not correct.<\/p>\n<p>Maybe, there is another kind of geometry related issue since the beam internal geometry is quite complex (see figure below).<br \/><img loading=\"lazy\" decoding=\"async\" src=\"\/forum\/wp-content\/uploads\/sites\/2\/2024\/04\/05-04-2024-1712305546-mceclip3.png\" width=\"833\" height=\"575\"><\/p>\n<p>I would be very grateful if you could help me to solve this problem. Thank you in advance.<\/p>\n<p>Miguel<\/p>\n","protected":false},"template":"","class_list":["post-360612","topic","type-topic","status-closed","hentry"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_subscription":["56850","58821"],"_bbp_author_ip":["168.143.243.14"]," _bbp_last_reply_id":["0"]," _bbp_likes_count":["0"],"_btv_view_count":["183"],"_bbp_topic_status":["unanswered"],"_bbp_topic_id":["360612"],"_bbp_forum_id":["27791"],"_bbp_engagement":["56850","58821"],"_bbp_voice_count":["2"],"_bbp_reply_count":["2"],"_bbp_last_reply_id":["360687"],"_bbp_last_active_id":["360687"],"_bbp_last_active_time":["2024-04-05 13:16:03"]},"test":"m-sociastetrace-com"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/360612","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\/360612\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=360612"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}