{"id":360859,"date":"2024-04-06T17:29:16","date_gmt":"2024-04-06T17:29:16","guid":{"rendered":"\/forum\/forums\/topic\/2d-quadrilateral-element\/"},"modified":"2024-04-08T07:38:51","modified_gmt":"2024-04-08T07:38:51","slug":"2d-quadrilateral-element","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/2d-quadrilateral-element\/","title":{"rendered":"2D Quadrilateral Element"},"content":{"rendered":"<p>Hi,<\/p>\n<p>I am trying to compare the result of simulation with analytical solution using 2D quadrilateral element.<a class=\"wp-colorbox-image cboxElement\" href=\"\/forum\/wp-content\/uploads\/sites\/2\/2024\/04\/06-04-2024-1712424429-mceclip2.png\"><img decoding=\"async\" src=\"\/forum\/wp-content\/uploads\/sites\/2\/2024\/04\/06-04-2024-1712424429-mceclip2.png\"><\/a><\/p>\n<p>The result I obtain from Ansys does not match with my calculation. The vertical displacement at the top right corner based on my calculation is -0.44626 mm.<\/p>\n<p>I solve the matrices using this equation:<\/p>\n<p><a class=\"wp-colorbox-image cboxElement\" href=\"\/forum\/wp-content\/uploads\/sites\/2\/2024\/04\/06-04-2024-1712424335-mceclip1.png\"><img decoding=\"async\" src=\"\/forum\/wp-content\/uploads\/sites\/2\/2024\/04\/06-04-2024-1712424335-mceclip1.png\"><\/a><\/p>\n<p>Can someone tell me what&#8217;s wrong with my calculation? Or how Ansys solve the matices? I am able to get the exact same result if I use triangular element.<\/p>\n<p>Thank you.<\/p>\n","protected":false},"template":"","class_list":["post-360859","topic","type-topic","status-closed","hentry","topic-tag-analytical-1","topic-tag-mesh","topic-tag-meshing","topic-tag-quadrilateral-meshing-1","topic-tag-stiffness-matrix"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_subscription":["82106","20905"],"_bbp_author_ip":["23.206.193.146"]," _bbp_last_reply_id":["0"]," _bbp_likes_count":["0"],"_btv_view_count":["501"],"_bbp_topic_status":["unanswered"],"_edit_lock":["1712561873:233281"],"_bbp_topic_id":["360859"],"_bbp_forum_id":["27791"],"_bbp_engagement":["20905","82106"],"_bbp_voice_count":["2"],"_bbp_reply_count":["5"],"_bbp_last_reply_id":["361559"],"_bbp_last_active_id":["361559"],"_bbp_last_active_time":["2024-04-10 14:49:53"]},"test":"efytt2nottingham-edu-my"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/360859","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":1,"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/360859\/revisions"}],"predecessor-version":[{"id":360994,"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/360859\/revisions\/360994"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=360859"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}