


{"id":317878,"date":"2023-11-15T21:59:07","date_gmt":"2023-11-15T21:59:07","guid":{"rendered":"\/forum\/forums\/topic\/need-some-help-in-element_beam_elbow\/"},"modified":"2023-11-15T21:59:07","modified_gmt":"2023-11-15T21:59:07","slug":"need-some-help-in-element_beam_elbow","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/need-some-help-in-element_beam_elbow\/","title":{"rendered":"Need some help in *ELEMENT_BEAM_ELBOW"},"content":{"rendered":"<p>Hi&nbsp;<\/p>\n<p>I have modeled pipes and elbow (picture below) using *ELEMENT_BEAM_ELBOW using LSDyna. My model converged but somehow the results are not making sense. The von misses stresses are way larger than what is expected. When I check the d3plot, I found that the elbow elements are separating badly (picture below). It happens for the second elbow as well. My *ELEMENT_BEAM_ELBOW&nbsp; definition is as below:<\/p>\n<p>*ELEMENT_BEAM_ELBOW<br \/>&nbsp; &nbsp; &nbsp; &nbsp;1 &nbsp; &nbsp; &nbsp; 1 &nbsp; &nbsp; &nbsp; 1 &nbsp; &nbsp; &nbsp; 4 &nbsp; &nbsp; &nbsp; 3 (element ID&nbsp; &nbsp; &nbsp; &nbsp;PID&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; N1&nbsp; &nbsp; &nbsp;N2&nbsp; &nbsp; &nbsp;N5&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; and the row below is midpoint N3)<br \/>&nbsp; &nbsp; &nbsp; &nbsp;2<br \/>&nbsp; &nbsp; &nbsp; &nbsp;2 &nbsp; &nbsp; &nbsp; 1 &nbsp; &nbsp; &nbsp; 4 &nbsp; &nbsp; &nbsp; 8 &nbsp; &nbsp; &nbsp; 3<br \/>&nbsp; &nbsp; &nbsp; &nbsp;6<\/p>\n<p>&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;<\/p>\n<p>*INTEGRATION_BEAM<br \/>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp;1 &nbsp; &nbsp; &nbsp; &nbsp; 0 &nbsp; &nbsp; &nbsp; 0.0 &nbsp; &nbsp; &nbsp; &nbsp; 9 &nbsp; &nbsp; &nbsp; &nbsp; 2<br \/>&nbsp; 0.161925 &nbsp;0.159125 &nbsp; &nbsp; &nbsp; 0.0 &nbsp; &nbsp; &nbsp; 0.0 &nbsp; &nbsp; &nbsp; 0.0 &nbsp; &nbsp; &nbsp; 0.0 &nbsp; &nbsp; &nbsp; 0.0 &nbsp; &nbsp; &nbsp; 0.0<\/p>\n<p>*SECTION_BEAM<br \/>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp;1 &nbsp; &nbsp; &nbsp; &nbsp;14 &nbsp; &nbsp; &nbsp; 1.0 &nbsp; &nbsp; &nbsp; &nbsp;-1 &nbsp; &nbsp; &nbsp; &nbsp; 2 &nbsp; &nbsp; &nbsp; 0.0 &nbsp; &nbsp; &nbsp; 0.0 &nbsp; &nbsp; &nbsp; &nbsp; 0<br \/>&nbsp; &nbsp; &nbsp; &nbsp;0.0 &nbsp; &nbsp; &nbsp; 0.0 &nbsp; &nbsp; &nbsp; 0.0<\/p>\n<p><img decoding=\"async\" src=\"\/forum\/wp-content\/uploads\/sites\/2\/2023\/11\/15-11-2023-1700085188-mceclip0.png\"><\/p>\n<p>&nbsp;<\/p>\n<p><img decoding=\"async\" src=\"\/forum\/wp-content\/uploads\/sites\/2\/2023\/11\/15-11-2023-1700085352-mceclip1.png\"><\/p>\n<p>&nbsp;<\/p>\n<p>Could anyone help me in this regard by giving me some suggestions what I am doing wrong? I did not get much help from manual and online. Thanks again.<\/p>\n","protected":false},"template":"","class_list":["post-317878","topic","type-topic","status-closed","hentry","topic-tag-elbow","topic-tag-lsdyna","topic-tag-pipes-1"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_subscription":["37124","3136"],"_bbp_author_ip":["23.52.43.81"]," _bbp_last_reply_id":["0"]," _bbp_likes_count":["0"],"_btv_view_count":["368"],"_bbp_topic_status":["unanswered"],"_bbp_status":["publish"],"_bbp_topic_id":["317878"],"_bbp_forum_id":["27814"],"_bbp_engagement":["3136","37124"],"_bbp_voice_count":["2"],"_bbp_reply_count":["3"],"_bbp_last_reply_id":["319085"],"_bbp_last_active_id":["319085"],"_bbp_last_active_time":["2023-11-22 17:43:49"]},"test":"mmia1lsu-edu"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/317878","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\/317878\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=317878"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}