{"id":452024,"date":"2026-02-04T17:24:32","date_gmt":"2026-02-04T17:24:32","guid":{"rendered":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/umat-ansys-2025r1\/"},"modified":"2026-02-04T17:24:32","modified_gmt":"2026-02-04T17:24:32","slug":"umat-ansys-2025r1","status":"publish","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/umat-ansys-2025r1\/","title":{"rendered":"UMAT ANSYS 2025R1"},"content":{"rendered":"<p>&lt;p&gt;I am trying to validate the results in a journal paper for my M.Tech thesis work, in which they have used a hybrid consititutive model added into the ls dyna subroutine. To recreate the same thing I need to add the user defined material. I have sucessfully installed the latest veersion intel fortran compiler and microsoft visual studio. What steps do I need to follw to implement the UMAT in ls dyna and compile the constitutive model code.&lt;\/p&gt;<\/p>\n","protected":false},"template":"","class_list":["post-452024","topic","type-topic","status-publish","hentry"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_forum_id":["27814"],"_bbp_topic_id":["452024"],"_bbp_author_ip":["117.250.237.105"],"_bbp_last_reply_id":["455065"],"_bbp_last_active_id":["455065"],"_bbp_last_active_time":["2026-03-24 14:05:11"],"_bbp_reply_count":["9"],"_bbp_reply_count_hidden":["0"],"_bbp_voice_count":["2"],"_bbp_engagement":["640941","275204"],"_btv_view_count":["237"],"_bbp_topic_status":["unanswered"],"_bbp_subscription":["275204","640941"]},"test":"pavan_m240846cenitc-ac-in"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/452024","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\/452024\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=452024"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}