{"id":250878,"date":"2023-02-21T22:22:56","date_gmt":"2023-02-21T22:22:56","guid":{"rendered":"\/forum\/forums\/topic\/element-distortion-error-in-my-ansys-structural-model\/"},"modified":"2023-02-21T22:22:56","modified_gmt":"2023-02-21T22:22:56","slug":"element-distortion-error-in-my-ansys-structural-model","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/element-distortion-error-in-my-ansys-structural-model\/","title":{"rendered":"Element distortion error in my Ansys Structural model"},"content":{"rendered":"<p><img decoding=\"async\" src=\"\/forum\/wp-content\/uploads\/sites\/2\/2023\/02\/21-02-2023-1677018126-mceclip1.png\"><\/p>\n<p><img decoding=\"async\" src=\"\/forum\/wp-content\/uploads\/sites\/2\/2023\/02\/21-02-2023-1677017427-mceclip0.png\"><\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>I have a distorted element error in my model.<\/p>\n<p>My model is of a breast pump. The breast tissue is a hyperelastic tissue and the connection between the funnel and breast is frictionless.<\/p>\n<p>The mesh is just created with the &#8220;automatic method&#8221; setting for both the funnel and the breast. I apply pressure on the breast tissue with a sinsoidal pressure profile. (I created the profile in excel and imported it).<\/p>\n<p>I&#8217;m not sure how to resolve this error. I tried shrinking the mesh and changing the contact settings but the error persists.<\/p>\n<p><em>Element 805353 (type = 1, SOLID187) (and maybe other elements) has <\/em><br \/><em>become highly distorted. Excessive distortion of elements is usually <\/em><br \/><em>a symptom indicating the need for corrective action elsewhere. Try <\/em><br \/><em>ramping the load up instead of step applying the load (KBC,1). You <\/em><br \/><em>may need to improve your mesh to obtain elements with better aspect <\/em><br \/><em>ratios. Also consider the behavior of materials, contact pairs, <\/em><br \/><em>and\/or constraint equations. Please rule out other root causes of <\/em><br \/><em>this failure before attempting rezoning or nonlinear adaptive <\/em><br \/><em>solutions. If this message appears in the first iteration of first <\/em><br \/><em>substep, be sure to run shape checking of elements.<\/em><\/p>\n","protected":false},"template":"","class_list":["post-250878","topic","type-topic","status-closed","hentry","topic-tag-element-distortion","topic-tag-fsi","topic-tag-highly-distorted","topic-tag-mechanical","topic-tag-transient"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_subscription":["254310","13632","240","13386"],"_bbp_author_ip":["23.56.168.190"]," _bbp_last_reply_id":["0"]," _bbp_likes_count":["0"],"_btv_view_count":["4156"],"_bbp_topic_status":["unanswered"],"_bbp_status":["publish"],"_bbp_topic_id":["250878"],"_bbp_forum_id":["27791"],"_bbp_engagement":["240","13386","13632","254310"],"_bbp_voice_count":["4"],"_bbp_reply_count":["3"],"_bbp_last_reply_id":["251071"],"_bbp_last_active_id":["251071"],"_bbp_last_active_time":["2023-02-22 17:40:03"]},"test":"dxc200018utdallas-edu"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/250878","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\/250878\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=250878"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}