{"id":163365,"date":"2021-10-25T15:24:52","date_gmt":"2021-10-25T15:24:52","guid":{"rendered":"\/forum\/forums\/topic\/how-to-run-a-model-at-different-temperatures-using-johnson-cook-j-c-mat015-and-mat107-in-ls-dyna\/"},"modified":"2021-10-25T20:41:36","modified_gmt":"2021-10-25T20:41:36","slug":"how-to-run-a-model-at-different-temperatures-using-johnson-cook-j-c-mat015-and-mat107-in-ls-dyna","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/how-to-run-a-model-at-different-temperatures-using-johnson-cook-j-c-mat015-and-mat107-in-ls-dyna\/","title":{"rendered":"How to run a model at different temperatures using Johnson-Cook (J-C) MAT015 and MAT107 in LS-DYNA"},"content":{"rendered":"<div class=\"Item-Body\">\n<div class=\"Message userContent\">\n<p>I am performing the Charpy Impact Test simulation in LS-DYNA for specimens of various initial temperatures. I have the Johnson-Cook Parameters that are using a reference temperature of 298 K. <\/p>\n<p>However, my initial temperatures of my specimens are 77 K, 298 K and 723 K. Do I have to scale the J-C parameters to match each temperature? Or do I conduct a coupled Structural and Thermal analysis using an initial temperature value using the thermal properties. <\/p>\n<p>Thank you,<\/p>\n<p>S.S<\/p>\n","protected":false},"template":"","class_list":["post-163365","topic","type-topic","status-closed","hentry"],"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":["1155"],"_bbp_likes_count":["0"],"_bbp_subscription":["254243"],"_bbp_topic_status":["unanswered"],"_bbp_status":["publish"],"_bbp_topic_id":["163365"],"_bbp_forum_id":["27814"],"_bbp_engagement":["180130","181804"],"_bbp_voice_count":["2"],"_bbp_reply_count":["4"],"_bbp_last_reply_id":["195693"],"_bbp_last_active_id":["195693"],"_bbp_last_active_time":["2021-10-25 20:41:36"]},"test":"ssagar"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/163365","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\/163365\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=163365"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}