{"id":456875,"date":"2026-04-22T00:59:51","date_gmt":"2026-04-22T00:59:51","guid":{"rendered":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/lsdyna-thermal-units\/"},"modified":"2026-04-22T00:59:51","modified_gmt":"2026-04-22T00:59:51","slug":"lsdyna-thermal-units","status":"publish","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/lsdyna-thermal-units\/","title":{"rendered":"LSDYNA thermal units"},"content":{"rendered":"<p>&lt;p&gt;In a LSDYNA thermal-structural analysis, I am trying to think through if it matters at all if tempearture is in K or in C and if I can set it to Rankine if I wanted?&nbsp;&lt;\/p&gt;&lt;p&gt;To keep unit consistency, is it correct to think that as long as I set every other varaible to have the right unit consistent with the temperature of the problem, it wouldn&#8217;t matter?&nbsp;&nbsp;&lt;br&gt;&lt;br&gt;A prime example is if we have a viscoelastic model with WLF shift function generated from from a reference temperature of 25C in the time-temperature superposition.&nbsp; &nbsp;In that case, must I keep the temperature unit at C or K?&nbsp; or is there a way to use rankine if I wanted?&nbsp;&lt;\/p&gt;&lt;p&gt;&lt;span style=&#8221;font-size: 14pt;&#8221;&gt;Appreciate the thoughtful feedback.&nbsp;&nbsp;&lt;\/span&gt;&lt;\/p&gt;<\/p>\n","protected":false},"template":"","class_list":["post-456875","topic","type-topic","status-publish","hentry"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_forum_id":["27814"],"_bbp_topic_id":["456875"],"_bbp_author_ip":["2601:447:c17f:9600:c5a6:df8e:20c8:6b77"],"_bbp_last_reply_id":["457077"],"_bbp_last_active_id":["457077"],"_bbp_last_active_time":["2026-04-25 04:31:47"],"_bbp_reply_count":["2"],"_bbp_reply_count_hidden":["0"],"_bbp_voice_count":["2"],"_bbp_engagement":["480261","679600"],"_btv_view_count":["105"],"_bbp_topic_status":["unanswered"],"_bbp_subscription":["679600","480261"]},"test":"64872acced255c930764e49420794aef51a32d56"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/456875","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\/456875\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=456875"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}