{"id":279366,"date":"2023-04-13T21:22:06","date_gmt":"2023-04-13T21:22:06","guid":{"rendered":"\/forum\/forums\/topic\/difference-in-solution-when-i-create-more-sections-for-static-structural\/"},"modified":"2023-04-13T21:22:06","modified_gmt":"2023-04-13T21:22:06","slug":"difference-in-solution-when-i-create-more-sections-for-static-structural","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/difference-in-solution-when-i-create-more-sections-for-static-structural\/","title":{"rendered":"Difference in solution when I create more sections for static structural"},"content":{"rendered":"<p>So I am failry new to ansys, and am comparing 2 simulations mimicking a 4 point beam bending simulation. The boundary condition looks like this:<\/p>\n<p><img decoding=\"async\" src=\"\/forum\/wp-content\/uploads\/sites\/2\/2023\/04\/13-04-2023-1681420615-mceclip0.png\"><\/p>\n<p>Now in one case I have a single block in the center:<br \/><img decoding=\"async\" src=\"\/forum\/wp-content\/uploads\/sites\/2\/2023\/04\/13-04-2023-1681420671-mceclip1.png\"><\/p>\n<p>While in another case I add another 2 sections to create the following:<br \/><img decoding=\"async\" src=\"\/forum\/wp-content\/uploads\/sites\/2\/2023\/04\/13-04-2023-1681420736-mceclip2.png\"><\/p>\n<p>&nbsp;<\/p>\n<p>But for both cases the whole beam is one part and have the same material properties (that include plasticity and hardening models).<\/p>\n<p>In the first case I am getting a smooth and correct solution:<\/p>\n<p><img decoding=\"async\" src=\"\/forum\/wp-content\/uploads\/sites\/2\/2023\/04\/13-04-2023-1681420809-blobid0.png\" alt=\"image\"><\/p>\n<p>While in the later case I am seeing a lot of oscillations in the force convergence and am getting very high stresses, which are wrong:<\/p>\n<p><img decoding=\"async\" src=\"\/forum\/wp-content\/uploads\/sites\/2\/2023\/04\/13-04-2023-1681420848-blobid1.png\" alt=\"image\"><\/p>\n<p>Both the simulations should be the same, however, I am seeing this discrepancy. Could you please help me figure out what is the reason for such ? I refined the mesh, but that did not help, and the mesh looks quite uniform in the geometry too.<\/p>\n<p>Please help.<\/p>\n<p>Best,<\/p>\n<p>Aritra<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"template":"","class_list":["post-279366","topic","type-topic","status-closed","hentry"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_subscription":["98364","240","18229"],"_bbp_author_ip":["23.56.168.190"]," _bbp_last_reply_id":["0"]," _bbp_likes_count":["0"],"_btv_view_count":["150"],"_bbp_topic_status":["unanswered"],"_bbp_status":["publish"],"_bbp_topic_id":["279366"],"_bbp_forum_id":["27791"],"_bbp_engagement":["240","18229","98364"],"_bbp_voice_count":["3"],"_bbp_reply_count":["4"],"_bbp_last_reply_id":["279520"],"_bbp_last_active_id":["279520"],"_bbp_last_active_time":["2023-04-14 13:40:05"]},"test":"chakraboacorning-com"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/279366","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\/279366\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=279366"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}