{"id":50389,"date":"2020-12-06T03:35:11","date_gmt":"2020-12-06T03:35:11","guid":{"rendered":"\/forum\/forums\/topic\/mesh-convergence-on-explicit-dynamics\/"},"modified":"2020-12-06T03:35:11","modified_gmt":"2020-12-06T03:35:11","slug":"mesh-convergence-on-explicit-dynamics","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/mesh-convergence-on-explicit-dynamics\/","title":{"rendered":"Mesh convergence on Explicit dynamics"},"content":{"rendered":"<div class=\"Item-Body\">\n<div class=\"Message userContent\">\n<p>ive been testing trying to fine a suitable mesh size for the structure that i&#039;m simulating however when i change the mesh size, the equivalent maximum stress tend to vary a lot, instead of decreasing linearly when mesh becomes coarse and increasing up till a limit when mesh becomes fine<\/p>\n<p>What ive been doing so far is using parametize set to parametize the mesh while obtaining maximum equivalent stress within the structure <\/p>\n<p>meanwhile my simulation is an impact simulation of an Arrowhead auxetic <\/p>\n<p>Why is this so? is there a limit to how fine a mesh can be before it gives invalid results? what is the explanation behind it ? is there a way to fix this and how do i find the perfect mesh size in such a scenario?<\/p>\n<div class=\"embedExternal embedImage\">\n<div class=\"embedExternal-content\">\n<a class=\"embedImage-link\" href=\"https:\/\/us.v-cdn.net\/6032193\/uploads\/58YO8UGNHAZB\/capture-zz-jpg.jpg\" rel=\"nofollow noopener\" target=\"_blank\"><br \/>\n<img decoding=\"async\" class=\"embedImage-img\" src=\"https:\/\/us.v-cdn.net\/6032193\/uploads\/58YO8UGNHAZB\/capture-zz-jpg.jpg\" alt=\"Capture zz.JPG\" \/><br \/>\n<\/a><\/p>\n","protected":false},"template":"","class_list":["post-50389","topic","type-topic","status-closed","hentry","topic-tag-explicit-dynamics","topic-tag-meshing"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_old_topic_id":["22636"],"_bbp_old_topic_author_name_id":["Anonymous"],"_bbp_old_is_topic_anonymous_id":["false"],"_bbp_old_closed_status_id":["publish"],"_bbp_author_ip":["?\u0643("],"_bbp_old_sticky_status_id":["normal"],"_bbp_likes_count":["0"],"_btv_view_count":["1644"],"_bbp_subscription":["257519"],"_bbp_topic_status":["unanswered"],"_bbp_status":["publish"],"_bbp_topic_id":["50389"],"_bbp_forum_id":["27814"],"_bbp_engagement":["240","183387"],"_bbp_voice_count":["2"],"_bbp_reply_count":["4"],"_bbp_last_reply_id":["136535"],"_bbp_last_active_id":["136535"],"_bbp_last_active_time":["2020-12-19 14:00:31"]},"test":"djtan"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/50389","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\/50389\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=50389"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}