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In order to forestall such issues, sufficient information about the socket lifespan needs to be acquired, which is fairly difficult given the lack of calculation methods that estimate the fatigue life in the literature. In this paper a semi-analytical model is proposed based on experimental results. It highlights the effects of the amputee average daily walking time on the socket fatigue life. A proportionality relationship is demonstrated linking the Burgers model parameters at the structural scale to those at the macroscopic scale. Hence, it becomes possible to evaluate the permanent deformation that induces a misalignment in the socket. These results are useful for the designers to predict the fatigue life of the socket, and also for clinicians to monitor the mechanical degradation of the trans-tibial socket and schedule maintenance or replacement.<\/jats:p>","DOI":"10.1177\/09544119211001637","type":"journal-article","created":{"date-parts":[[2021,3,18]],"date-time":"2021-03-18T02:13:42Z","timestamp":1616033622000},"page":"688-700","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":5,"title":["Multi-scale semi-analytical model for fatigue life prediction of trans-tibial prosthetic sockets"],"prefix":"10.1177","volume":"235","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-1158-7970","authenticated-orcid":false,"given":"Wahbi","family":"Mankai","sequence":"first","affiliation":[{"name":"Laboratory of Materials, Optimization and Energy for Sustainability, National Engineering School of Tunis, University of Tunis El Manar, Tunis, 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