{"id":164243,"date":"2021-11-23T21:40:27","date_gmt":"2021-11-23T21:40:27","guid":{"rendered":"\/forum\/forums\/topic\/augmented-lagrange-vs-normal-lagrange\/"},"modified":"2021-11-23T22:45:15","modified_gmt":"2021-11-23T22:45:15","slug":"augmented-lagrange-vs-normal-lagrange","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/augmented-lagrange-vs-normal-lagrange\/","title":{"rendered":"Augmented Lagrange vs Normal Lagrange"},"content":{"rendered":"<div class=\"Item-Body\">\n<div class=\"Message userContent\">\n<p>Hello Everyone<\/p>\n<p>I would like to know what is the difference between<strong> Augmented Lagrange vs Normal Lagrange<\/strong> formulations, and which should be used?<\/p>\n<p>I know Normal Lagrange is different than the penalty formulation and there are no penetration .<\/p>\n<p>My results from A. Lagrange are way below than the N. Lagrange. Contact tool shows penetration from results. <\/p>\n<p>So I have three options<\/p>\n<ol>\n<li>A. Lagrange with program controlled tolerance &#8212;- Result&#8211; stress values are minimum and there is almost 1 % penetration compared to the deformation.<\/li>\n<li>A. Lagrange with 0.0015 penetration tolerance &#8212;- Result&#8211; stress values are higher than the first one and the penetration are in order of 10^-6 mm.<\/li>\n<li>N. Lagrange &#8212;- Result&#8211; stress values are highest and with 10^-7 mm penetration.<\/li>\n<\/ol>\n<p><p><\/p>\n<\/p>\n<p>Which Formulation should I choose?<\/p>\n","protected":false},"template":"","class_list":["post-164243","topic","type-topic","status-closed","hentry","topic-tag-AugmentedLagrangevsNormalLagrange-1"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_author_ip":[""],"_bbp_old_reply_author_name_id":["Anonymous"],"_bbp_old_is_reply_anonymous_id":["false"],"_btv_view_count":["8176"],"_bbp_likes_count":["0"],"_bbp_subscription":["231571"],"_bbp_topic_status":["unanswered"],"_bbp_status":["publish"],"_bbp_topic_id":["164243"],"_bbp_forum_id":["27791"],"_bbp_engagement":["240","212946"],"_bbp_voice_count":["2"],"_bbp_reply_count":["2"],"_bbp_last_reply_id":["198543"],"_bbp_last_active_id":["198543"],"_bbp_last_active_time":["2021-11-23 22:45:15"]},"test":"pramod-kumarwfsinc-com"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/164243","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\/164243\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=164243"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}