{"id":253230,"date":"2023-03-09T10:57:02","date_gmt":"2023-03-09T10:57:02","guid":{"rendered":"\/forum\/forums\/topic\/material-properties-3\/"},"modified":"2023-03-09T10:57:02","modified_gmt":"2023-03-09T10:57:02","slug":"material-properties-3","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/material-properties-3\/","title":{"rendered":"Material Properties"},"content":{"rendered":"<p>Hi<\/p>\n<p>For my project I am doing a simple crash box compression test\/analysis where I need to compare my results from Ansys and the actual experiment. I am using PLA as my material which i had to create in ansys and these are the properties I have given:<img decoding=\"async\" src=\"\/forum\/wp-content\/uploads\/sites\/2\/2023\/03\/09-03-2023-1678358940-ansys material prots.png\" alt=\"\"><\/p>\n<p>In the experiment I am compressing the crash box by 3mm and measuring the Reaction force to find the energy absorbed by the structure. My problem is that the results I get from Ansys is very different compared to the tests.<img decoding=\"async\" src=\"\/forum\/wp-content\/uploads\/sites\/2\/2023\/03\/09-03-2023-1678359142-Screenshot 2023-03-09 105201.png\" alt=\"\"><\/p>\n<p>This is the result from the experiment and the maximum froce is just belowe 12000N however this is what I get from ansys:<img decoding=\"async\" src=\"\/forum\/wp-content\/uploads\/sites\/2\/2023\/03\/09-03-2023-1678359318-Screenshot 2023-03-09 105446.png\" alt=\"\"><\/p>\n<p>It is clear that the data I recieve from ansys is a lot higher than to the actual simulations but I cant figure out why.<\/p>\n<p>If anyone could help me with what might be the problem it&#8217;ll be appreciated.<\/p>\n<p>Thanks<\/p>\n","protected":false},"template":"","class_list":["post-253230","topic","type-topic","status-closed","hentry"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_subscription":["275193","275204","240"],"_bbp_author_ip":["23.77.218.237"]," _bbp_last_reply_id":["0"]," _bbp_likes_count":["0"],"_btv_view_count":["1379"],"_bbp_topic_status":["unanswered"],"_bbp_status":["publish"],"_bbp_topic_id":["253230"],"_bbp_forum_id":["27791"],"_bbp_engagement":["240","275193","275204"],"_bbp_voice_count":["3"],"_bbp_reply_count":["2"],"_bbp_last_reply_id":["253503"],"_bbp_last_active_id":["253503"],"_bbp_last_active_time":["2023-03-12 12:03:03"]},"test":"n0925609my-ntu-ac-uk"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/253230","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\/253230\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=253230"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}