{"id":432678,"date":"2025-05-27T21:42:56","date_gmt":"2025-05-27T21:42:56","guid":{"rendered":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/request-for-ls-dyna-usermat-package-for-umat-simulations\/"},"modified":"2025-05-29T18:25:25","modified_gmt":"2025-05-29T18:25:25","slug":"request-for-ls-dyna-usermat-package-for-umat-simulations","status":"answered","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/request-for-ls-dyna-usermat-package-for-umat-simulations\/","title":{"rendered":"Request for LS-DYNA UserMat Package for UMAT Simulations"},"content":{"rendered":"<p>&lt;p&gt;Hi everyone,&lt;\/p&gt;&lt;p&gt;I&rsquo;m planning to run a hypervelocity impact simulation in LS-DYNA using a custom material model (UMAT). According to the <a href=\"https:\/\/lsdyna.ansys.com\/manuals\/\" target=\"_blank\" rel=\"noopener\">LS-DYNA manual<\/a>, I need the UserMat package&mdash;a compressed archive containing precompiled static libraries (.a\/.lib), Fortran source files (.f\/.F), include files (.inc), and a makefile&mdash;to compile and link my UMAT subroutine.&lt;\/p&gt;&lt;p&gt;Our university holds both commercial and academic LS-DYNA licenses, but our IT department couldn&rsquo;t locate this package. Could anyone advise on how to obtain and install the UserMat package for LS-DYNA? Any guidance or pointers to the right download\/source would be greatly appreciated.&lt;\/p&gt;&lt;p&gt;Thanks in advance!&lt;\/p&gt;<\/p>\n","protected":false},"template":"","class_list":["post-432678","topic","type-topic","status-answered","hentry","topic-tag-PACKAGES-1","topic-tag-user-defined-1","topic-tag-usermat","topic-tag-usermat-coding-1"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_forum_id":["27814"],"_bbp_topic_id":["432678"],"_bbp_subscription":["270765","471944"],"_bbp_author_ip":["38.95.244.208"],"_bbp_last_reply_id":["432885"],"_bbp_last_active_id":["432885"],"_bbp_last_active_time":["2025-05-29 18:23:07"],"_bbp_reply_count":["7"],"_bbp_reply_count_hidden":["1"],"_bbp_voice_count":["2"],"_bbp_engagement":["270765","471944"],"_btv_view_count":["651"],"_bbp_topic_status":["answered"],"_bbp_notification_enabled":["270765"]},"test":"amrithmabuffalo-edu"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/432678","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":1,"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/432678\/revisions"}],"predecessor-version":[{"id":432886,"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/432678\/revisions\/432886"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=432678"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}