


{"id":219644,"date":"2022-07-24T09:32:38","date_gmt":"2022-07-24T09:32:38","guid":{"rendered":"\/forum\/forums\/topic\/hyper-elastic-mooney-rivlin-model-constants\/"},"modified":"2022-07-24T09:32:38","modified_gmt":"2022-07-24T09:32:38","slug":"hyper-elastic-mooney-rivlin-model-constants","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/hyper-elastic-mooney-rivlin-model-constants\/","title":{"rendered":"Hyper-elastic Mooney-Rivlin Model Constants"},"content":{"rendered":"<p>Hi everyone.<\/p>\n<p>I need to use the 5 parameter Mooney-Rivlin model to simulate the hyper-elastic behavior of the human ACL. I&#8217;ve found a related article, which describes the model constants. Here is a picture indicating the table of coefficients: &nbsp;<a href=\"https:\/\/drive.google.com\/file\/d\/1s2rwXOtdA8km24B52031RqN7wNZLEguU\/view?usp=sharing\" target=\"_blank\" rel=\"noopener\">https:\/\/drive.google.com\/file\/d\/1s2rwXOtdA8km24B52031RqN7wNZLEguU\/view?usp=sharing<\/a><\/p>\n<p>I have 2 questions:<\/p>\n<p>1) Which value should i choose for the D1 (incompressibility) constant? Could (D1=0) be a proper value for ligaments or something near zero?<\/p>\n<p>2) How can i enter the strain rate value for the constants? there is no place inside the engineering data module to enter this parameter.<\/p>\n<p>Thank you in advance for any help.<\/p>\n","protected":false},"template":"","class_list":["post-219644","topic","type-topic","status-closed","hentry","topic-tag-hyperelastic","topic-tag-hyperelastic-material","topic-tag-hyperelasticity","topic-tag-simulation"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_subscription":["249682","240","223465"],"_bbp_author_ip":["23.218.93.53"]," _bbp_last_reply_id":["0"]," _bbp_likes_count":["0"],"_btv_view_count":["2771"],"_bbp_topic_status":["unanswered"],"_bbp_status":["publish"],"_bbp_topic_id":["219644"],"_bbp_forum_id":["27791"],"_bbp_engagement":["240","223465","249682"],"_bbp_voice_count":["3"],"_bbp_reply_count":["4"],"_bbp_last_reply_id":["245137"],"_bbp_last_active_id":["245137"],"_bbp_last_active_time":["2022-12-30 06:39:35"]},"test":"omidnazeri1396gmail-com"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/219644","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\/219644\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=219644"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}