{"id":44673,"date":"2020-06-02T12:55:41","date_gmt":"2020-06-02T12:55:41","guid":{"rendered":"\/forum\/forums\/topic\/negative-jacobian-values-at-1-integration-points-error\/"},"modified":"2020-06-02T12:55:41","modified_gmt":"2020-06-02T12:55:41","slug":"negative-jacobian-values-at-1-integration-points-error","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/negative-jacobian-values-at-1-integration-points-error\/","title":{"rendered":"Negative Jacobian values at 1 integration points error"},"content":{"rendered":"<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: 15px; overflow-x: hidden; font-family: 'Open Sans', Arial, Helvetica, sans-serif;\">I am solving a mesh in a elastic and static structural problem. Really simple with a fixed boundary condition and one force to avoid other possible consequences and I got this error in the solver output:<\/p>\n<p><\/p>\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: 15px; overflow-x: hidden; font-family: 'Open Sans', Arial, Helvetica, sans-serif;\"><em style=\"box-sizing: border-box;\"><strong style=\"box-sizing: border-box;\">&nbsp;*** ERROR ***&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; CP =&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 33.172&nbsp;&nbsp; TIME= 15:18:19<\/strong><\/em><br style=\"box-sizing: border-box;\"><em style=\"box-sizing: border-box;\"><strong style=\"box-sizing: border-box;\">&nbsp;Element 567422 has negative Jacobian values at 1 integration points and<\/strong><\/em><br style=\"box-sizing: border-box;\"><em style=\"box-sizing: border-box;\"><strong style=\"box-sizing: border-box;\">&nbsp;the ratio of the part represented by the integration points to the&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/strong><\/em><br style=\"box-sizing: border-box;\"><em style=\"box-sizing: border-box;\"><strong style=\"box-sizing: border-box;\">&nbsp;element volume reaches 3.357162844E-02, which is larger than the limit&nbsp;<\/strong><\/em><br style=\"box-sizing: border-box;\"><em style=\"box-sizing: border-box;\"><strong style=\"box-sizing: border-box;\">&nbsp;of 1.E-02.&nbsp; Please modify the mesh before solving again.&nbsp;<\/strong><\/em><\/p>\n<p><\/p>\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: 15px; overflow-x: hidden; font-family: 'Open Sans', Arial, Helvetica, sans-serif;\">I tried to modify the mesh but I am not capable to solve it and I am not capable to understand where the problem should be.<\/p>\n<p><\/p>\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: 15px; overflow-x: hidden; font-family: 'Open Sans', Arial, Helvetica, sans-serif;\">Any help will be useful. Thanks!<\/p>\n<p><\/p>\n<p style=\"box-sizing: border-box; margin: 0px 0px 10px; font-size: 15px; overflow-x: hidden; font-family: 'Open Sans', Arial, Helvetica, sans-serif;\">&nbsp;<\/p>\n","protected":false},"template":"","class_list":["post-44673","topic","type-topic","status-closed","hentry"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_old_topic_id":["16854"],"_bbp_old_topic_author_name_id":["Anonymous"],"_bbp_old_is_topic_anonymous_id":["false"],"_bbp_old_closed_status_id":["publish"],"_bbp_author_ip":[null],"_bbp_old_sticky_status_id":["normal"],"_bbp_likes_count":["0"],"_btv_view_count":["6696"],"_bbp_subscription":["240881"],"_bbp_topic_status":["unanswered"],"_bbp_status":["publish"],"_bbp_topic_id":["44673"],"_bbp_forum_id":["27791"],"_bbp_engagement":["79","166209"],"_bbp_voice_count":["2"],"_bbp_reply_count":["3"],"_bbp_last_reply_id":["116663"],"_bbp_last_active_id":["116663"],"_bbp_last_active_time":["2020-06-03 15:13:49"]},"test":"jordimarce"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/44673","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\/44673\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=44673"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}