{"id":52215,"date":"2021-02-13T22:34:08","date_gmt":"2021-02-13T22:34:08","guid":{"rendered":"\/forum\/forums\/topic\/membrane-simulation-using-shell181\/"},"modified":"2021-02-13T22:34:08","modified_gmt":"2021-02-13T22:34:08","slug":"membrane-simulation-using-shell181","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/membrane-simulation-using-shell181\/","title":{"rendered":"Membrane simulation using SHELL181 ?"},"content":{"rendered":"<div class=\"Item-Body\">\n<div class=\"Message userContent\">\n<p><\/p>\n<p>Dear All,<\/p>\n<p>I am trying to simulate a simple pressure loading of a thin membrane (Kevlar).<\/p>\n<p>After some digging (I am a newbie to Mechanical!) I found that SHELL181 element with KEYOPT(1)=1 (membrane) is what I will need.<\/p>\n<p>After setting no displacement (ux=0,uy=0,uz=0) at the corner vertices of a 1m x 1m plate and applying a 1MPa pressure over the surface, I am getting 0 displacements and 0 stresses. Something is weird and I am sure I am missing something but after spending 2 days on this very simple problem, I cannot figure out what I am doing wrong?! please see my settings below.<\/p>\n<p><\/p>\n<\/p>\n<p>Your help is very much appreciated!<\/p>\n<p><\/p>\n<\/p>\n<p>Thank you!<\/p>\n<p>Matt<\/p>\n<p><\/p>\n<\/p>\n<p>BOUNDARY CONDITIONS:<\/p>\n<div class=\"embedExternal embedImage\">\n<div class=\"embedExternal-content\">\n<a class=\"embedImage-link\" href=\"https:\/\/us.v-cdn.net\/6032193\/uploads\/SAF3VWDZKNMY\/bcs-png.png\" rel=\"nofollow noopener\" target=\"_blank\"><br \/>\n<img decoding=\"async\" class=\"embedImage-img\" src=\"https:\/\/us.v-cdn.net\/6032193\/uploads\/SAF3VWDZKNMY\/bcs-png.png\" alt=\"BCs.PNG\" \/><br \/>\n<\/a><\/p>\n","protected":false},"template":"","class_list":["post-52215","topic","type-topic","status-closed","hentry","topic-tag-membrane"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_old_topic_id":["24501"],"_bbp_old_topic_author_name_id":["Anonymous"],"_bbp_old_is_topic_anonymous_id":["false"],"_bbp_old_closed_status_id":["publish"],"_bbp_author_ip":[" \u0001\u0004h\f?a\u0002????y?r?"],"_bbp_old_sticky_status_id":["normal"],"_bbp_likes_count":["0"],"_btv_view_count":["4274"],"_bbp_subscription":["232497"],"_bbp_topic_status":["unanswered"],"_bbp_status":["publish"],"_bbp_topic_id":["52215"],"_bbp_forum_id":["27791"],"_bbp_engagement":["240","185967"],"_bbp_voice_count":["2"],"_bbp_reply_count":["5"],"_bbp_last_reply_id":["142383"],"_bbp_last_active_id":["142383"],"_bbp_last_active_time":["2021-02-15 10:35:34"]},"test":"mszoke"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/52215","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\/52215\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=52215"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}