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Various influential variables exist in TDE methods like the uncertainty in thermal and environmental parameters. Although RTM depends in particular on the location of measurement position, this relationship has never been investigated separately. The presented study fills this gap using Finite Element (FE) simulations of body cooling. A manually meshed coarse human FE model and an FE geometry model developed from the CT scan of a male corpse are used for TDE sensitivity analysis. The coarse model is considered with and without a support structure of moist soil. As there is no clear definition of ideal rectal temperature measurement location for TDE, possible variations in RTM location (RTML) are considered based on anatomy and forensic practice. The maximum variation of TDE caused by RTML changes is investigated via FE simulation. Moreover, the influence of ambient temperature, of FE model change and of the models positioning on a wet soil underground are also discussed. As a general outcome, we notice that maximum TDE deviations of up to ca. 2\u20133\u00a0h due to RTML deviations have to be expected. The direction of maximum influence of RTML change on TDE generally was on the line caudal to cranial.<\/jats:p>","DOI":"10.1007\/s00414-023-03040-y","type":"journal-article","created":{"date-parts":[[2023,6,19]],"date-time":"2023-06-19T23:02:15Z","timestamp":1687215735000},"page":"1815-1837","update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":13,"title":["Sensitivity of temperature-based time since death estimation on measurement location"],"prefix":"10.1007","volume":"137","author":[{"given":"J. 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Written consents of the CTM-subject\u2019s kinship for the CT scan shown in the article were not needed since the body was confiscated by the local prosecution who directed the CT scan for investigations.","order":2,"name":"Ethics","group":{"name":"EthicsHeading","label":"Ethical approval"}},{"value":"The authors herewith disclose financial or non-financial interests that are directly or indirectly related to the work.","order":3,"name":"Ethics","group":{"name":"EthicsHeading","label":"Competing interests"}}]}}