{"id":162883,"date":"2021-10-07T09:55:44","date_gmt":"2021-10-07T09:55:44","guid":{"rendered":"\/forum\/forums\/topic\/expansion-of-cylinder-using-membrane-elements\/"},"modified":"2021-10-11T12:12:21","modified_gmt":"2021-10-11T12:12:21","slug":"expansion-of-cylinder-using-membrane-elements","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/expansion-of-cylinder-using-membrane-elements\/","title":{"rendered":"Expansion of cylinder using membrane elements"},"content":{"rendered":"<div class=\"Item-Body\">\n<div class=\"Message userContent\">\n<p>Hi everyone,<\/p>\n<p>I am trying to simulate the deployment of cylinder using a Static Structural analysis of Ansys Workbench with a linear elastic material. I have no experince with shell elements so I am having trouble implimenting them. I found that Shell181 is a usefull membrane element when large deformations occur, since I also want to neglect the bending of the elements. <\/p>\n<p>When applying radial pressure to the cylinder I get a Solver Pivot Error.<\/p>\n<p>I attach below the way I applied the membrane elements and the error I get.<\/p>\n<div class=\"embedExternal embedImage\">\n<div class=\"embedExternal-content\">\n<a class=\"embedImage-link\" href=\"\/forum\/wp-content\/uploads\/forum-uploads\/089\/MK9RE42H0YEA.png\" rel=\"nofollow noopener\" target=\"_blank\"><br \/>\n<img decoding=\"async\" class=\"embedImage-img\" src=\"\/forum\/wp-content\/uploads\/forum-uploads\/089\/MK9RE42H0YEA.png\" alt=\"SHELL 181.png\" \/><br \/>\n<\/a><\/p>\n","protected":false},"template":"","class_list":["post-162883","topic","type-topic","status-closed","hentry","topic-tag-membrane-elements-1"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_author_ip":[""],"_bbp_view_count":["296"],"_bbp_likes_count":["0","0"],"_bbp_forum_subforum_count":["0"],"_btv_view_count":["1336"],"_bbp_subscription":["231986"],"_bbp_topic_status":["unanswered"],"_bbp_status":["publish"],"_bbp_topic_id":["162883"],"_bbp_forum_id":["27791"],"_bbp_engagement":["58821","231986"],"_bbp_voice_count":["2"],"_bbp_reply_count":["19"],"_bbp_last_reply_id":["194190"],"_bbp_last_active_id":["194190"],"_bbp_last_active_time":["2021-10-11 12:12:21"]},"test":"efstathios-stratakospolimi-it"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/162883","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\/162883\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=162883"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}