{"id":139794,"date":"2021-01-23T17:17:01","date_gmt":"2021-01-23T17:17:01","guid":{"rendered":"\/forum\/forums\/reply\/139794\/"},"modified":"2021-01-23T17:17:01","modified_gmt":"2021-01-23T17:17:01","slug":"139794","status":"publish","type":"reply","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/139794\/","title":{"rendered":"Reply To: Can I stop the solution before the model fails to converge?"},"content":{"rendered":"<p>Thank you for your responses! nArrayYou&#8217;re right, it would be much better if I can avoid the error. nI just added the keyopt(6)=1 command as you suggested for the bodies of my model that represent soft tissues (hyper-elastic materials). I am not very familiar with changing the element formulation. If I understood well, what I am doing is just changing the way the strain is being calculated by ANSYS? Will this impact the outputs I already obtained before adding the keyopt command? I also read that keyopt(6)=1 is usually used for SOLID272 elements but my model&#8217;s elements are 2D plane strain, is that okay? nImplementing the mixed u-P element formulation prevented the solution from failing in some cases but not in others. I am still getting highly distorted elements as shown in the screenshot below. n<img src=https:\/\/us.v-cdn.net\/6032193\/uploads\/6DJ2ZP1IMW5I\/distorted-element-even-after-keyopt-286-29-3d1-png.png width=1132 height=595 \/>Not that the there is a No separation contact between the 2 bodies at the boundaries of which the failed mesh element shows. nThank you again for your consistent support. Your replies are always extremely useful!nBest regards, nDiane n<\/p>\n","protected":false},"template":"","class_list":["post-139794","reply","type-reply","status-publish","hentry"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"Thank you for your responses! nArrayYou&#039;re right, it would be much better if I can avoid the error. nI just added the keyopt(6)=1 command as you suggested for the bodies of my model that represent soft tissues (hyper-elastic materials). I am not very familiar with changing the element formulation. If I understood well, what I\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/139794\/\" \/>\n\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 4.9.10\" \/>\n\t\t<meta property=\"og:locale\" content=\"en_US\" \/>\n\t\t<meta property=\"og:site_name\" content=\"Ansys Learning Forum | Ansys Innovation Space\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"Reply To: Can I stop the solution before the model fails to converge? | Ansys Learning Forum\" \/>\n\t\t<meta property=\"og:description\" content=\"Thank you for your responses! nArrayYou&#039;re right, it would be much better if I can avoid the error. nI just added the keyopt(6)=1 command as you suggested for the bodies of my model that represent soft tissues (hyper-elastic materials). I am not very familiar with changing the element formulation. If I understood well, what I\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/139794\/\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2021-01-23T17:17:01+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2021-01-23T17:17:01+00:00\" \/>\n\t\t<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n\t\t<meta name=\"twitter:title\" content=\"Reply To: Can I stop the solution before the model fails to converge? | Ansys Learning Forum\" \/>\n\t\t<meta name=\"twitter:description\" content=\"Thank you for your responses! nArrayYou&#039;re right, it would be much better if I can avoid the error. nI just added the keyopt(6)=1 command as you suggested for the bodies of my model that represent soft tissues (hyper-elastic materials). I am not very familiar with changing the element formulation. 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