{"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":"
\n
\n

All,<\/p>\n

I'm running a Monte Carlo simulation emulating heating of a weld joint between two metals.<\/p>\n

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

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

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":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t