{"id":371836,"date":"2024-07-15T04:37:48","date_gmt":"2024-07-15T04:37:48","guid":{"rendered":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/stress-fluctuates-in-explicit-solver\/"},"modified":"2024-07-15T04:37:48","modified_gmt":"2024-07-15T04:37:48","slug":"stress-fluctuates-in-explicit-solver","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/stress-fluctuates-in-explicit-solver\/","title":{"rendered":"Stress fluctuates in Explicit solver"},"content":{"rendered":"<p>Hello everyone,<\/p>\n<p>I did a simple experiment using Explicit Dynamics and LS-Dyna.<\/p>\n<p>I fixed each base side of the cylindrical bar and gave force(z axis, 0s : 5000N to 0.1s : 15000N)to side of the bar.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2024\/07\/15-07-2024-1721017637-mceclip1.png\"><\/p>\n<p>I reviewed the normal stress(z axis), and it doesn&#8217;t seem to be reliable. As I applied linear force(F=100000t+5000(N)), I think the result should show linear stress. But the normal stress fluctuates as I attached below.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2024\/07\/15-07-2024-1721017977-mceclip2.png\"><\/p>\n<p>I want to know why this happens, and how to resolve this phenomenon. Can someone please help me with this?<\/p>\n<p>Thanks in advance.<\/p>\n","protected":false},"template":"","class_list":["post-371836","topic","type-topic","status-closed","hentry","topic-tag-explicit"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_subscription":["436373","83","13468"],"_bbp_author_ip":["1.253.96.194"]," _bbp_last_reply_id":["0"]," _bbp_likes_count":["0"],"_btv_view_count":["274"],"_bbp_topic_status":["unanswered"],"_bbp_notification_enabled":["436373","436373"],"_bbp_topic_id":["371836"],"_bbp_forum_id":["27791"],"_bbp_engagement":["83","13468","436373"],"_bbp_voice_count":["3"],"_bbp_reply_count":["3"],"_bbp_last_reply_id":["372463"],"_bbp_last_active_id":["372463"],"_bbp_last_active_time":["2024-07-18 00:35:45"]},"test":"plum0721naver-com"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/371836","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\/371836\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=371836"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}