{"id":285008,"date":"2023-05-20T19:51:54","date_gmt":"2023-05-20T19:51:54","guid":{"rendered":"\/forum\/forums\/topic\/how-should-1-d-fea-analysis-be-evaluated\/"},"modified":"2023-05-20T19:51:54","modified_gmt":"2023-05-20T19:51:54","slug":"how-should-1-d-fea-analysis-be-evaluated","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/how-should-1-d-fea-analysis-be-evaluated\/","title":{"rendered":"How should 1-D FEA analysis be evaluated?"},"content":{"rendered":"<p>Hello Everyone,<\/p>\n<p>I have a little question for you.<\/p>\n<p>I modeled the system you see in the images using 1-D beam elements and using 2-D elements with the same boundary conditions.<\/p>\n<p><img decoding=\"async\" style=\"display: block;margin-left: auto;margin-right: auto\" src=\"\/forum\/wp-content\/uploads\/sites\/2\/2023\/05\/20-05-2023-1684611833-3.JPG\" alt=\"\"><\/p>\n<p>This is the Maximum Bending Stress &#8211; Maximum Combined Stress result of my 1-D model.<\/p>\n<p><img decoding=\"async\" style=\"display: block;margin-left: auto;margin-right: auto\" src=\"\/forum\/wp-content\/uploads\/sites\/2\/2023\/05\/20-05-2023-1684611927-1.JPG\" alt=\"\"><\/p>\n<p>This is the Equivalent Stress result of my 2-D model.<\/p>\n<p><img decoding=\"async\" style=\"display: block;margin-left: auto;margin-right: auto\" src=\"\/forum\/wp-content\/uploads\/sites\/2\/2023\/05\/20-05-2023-1684611963-2.JPG\" alt=\"\"><\/p>\n<p><span class=\"jCAhz ChMk0b\"><span class=\"ryNqvb\">As you can see, there is about a two times difference between them.<\/span><\/span> <span class=\"jCAhz ChMk0b\"><span class=\"ryNqvb\">This situation does not change no matter what the problem is.<\/span><\/span> <span class=\"jCAhz ChMk0b\"><span class=\"ryNqvb\">In other words, when I try different systems with different boundary conditions, I see a two times difference between them.&nbsp;<\/span><\/span><\/p>\n<p><span class=\"jCAhz ChMk0b\"><span class=\"ryNqvb\">What is the theoretical explanation for this? What material property should I compare when interpreting my 1-D FEA results? <\/span><\/span><\/p>\n<p><span class=\"jCAhz ChMk0b\"><span class=\"ryNqvb\">In my opinion, my result should not change whether I model this system in 1-D, 2-D or 3-D.<\/span><\/span><\/p>\n<p>Thanks,<\/p>\n<p>KulTigin<\/p>\n","protected":false},"template":"","class_list":["post-285008","topic","type-topic","status-closed","hentry","topic-tag-1d-beam","topic-tag-beam","topic-tag-beam-analysis-1","topic-tag-beamelement-1","topic-tag-beam-elements","topic-tag-beam-tool"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_subscription":["195201","240"],"_bbp_author_ip":["96.7.218.223"]," _bbp_last_reply_id":["0"]," _bbp_likes_count":["0"],"_btv_view_count":["4326"],"_bbp_topic_status":["unanswered"],"_bbp_status":["publish"],"_bbp_topic_id":["285008"],"_bbp_forum_id":["27791"],"_bbp_engagement":["240","195201"],"_bbp_voice_count":["2"],"_bbp_reply_count":["3"],"_bbp_last_reply_id":["285145"],"_bbp_last_active_id":["285145"],"_bbp_last_active_time":["2023-05-22 14:03:59"]},"test":"osman-garginavist-com-tr"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/285008","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\/285008\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=285008"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}