{"id":160615,"date":"2021-07-22T22:05:27","date_gmt":"2021-07-22T22:05:27","guid":{"rendered":"\/forum\/forums\/topic\/different-timestep-leading-to-different-results\/"},"modified":"2021-07-27T11:38:15","modified_gmt":"2021-07-27T11:38:15","slug":"different-timestep-leading-to-different-results","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/different-timestep-leading-to-different-results\/","title":{"rendered":"Different timestep leading to different results"},"content":{"rendered":"<div class=\"Item-Body\">\n<div class=\"Message userContent\">\n<p>All,<\/p>\n<p>I&#039;m running a Monte Carlo simulation emulating heating of a weld joint between two metals.<\/p>\n<p>I would like to use adaptive time step methods, but it does appear that a variable of interest (e.g. the maximum tempearture of one of the metals) profile does change dependent upon how big\/small the timestep is. It appears as though the maximum temperature reached over the sim is relatively less the larger the timestep is.<\/p>\n<p>General question: Do I need to increase the # of target histories or how can I ensure the validity of my model and to ensure it is not dependent upon my timestep size? Am I perhaps missing some transients in between that are of importance and are not being captured in terms of aggregate energy here?<\/p>\n<p>Any help is appreciated.<\/p>\n","protected":false},"template":"","class_list":["post-160615","topic","type-topic","status-closed","hentry","topic-tag-montecarloradiation-1","topic-tag-radiation","topic-tag-temperature"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_author_ip":[""],"_bbp_view_count":["236"],"_bbp_likes_count":["0","0"],"_bbp_forum_subforum_count":["0"],"_btv_view_count":["857"],"_bbp_topic_status":["unanswered"],"_bbp_status":["publish"],"_bbp_topic_id":["160615"],"_bbp_forum_id":["27792"],"_bbp_engagement":["25","196282"],"_bbp_voice_count":["2"],"_bbp_reply_count":["3"],"_bbp_last_reply_id":["186431"],"_bbp_last_active_id":["186431"],"_bbp_last_active_time":["2021-07-27 11:38:15"]},"test":"john-x-juvelimedtronic-com"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/160615","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\/160615\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=160615"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}