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Consequently, commercial plates are prone to induce bone stress shielding. In this study, three-dimensional fixation plates are designed using topology optimisation aiming to reduce the risk of bone stress shielding. Fixation plate designs were optimised by minimising the strain energy for three levels of volume reduction (i.e. 25%, 45% and 75%). To evaluate stress shielding, changes in bone stress due to the different fixation plate designs were determined on the fracture plane of an idealised shaft of a long bone under a four-point bending load considering the effect of a patient walking with crutches of a transverse fractured tibia. Topology optimisation is a viable approach to design less stiff plates with adequate mechanical strength considering high volume reductions, which consequently increased the stress transferred to the bone fracture plane minimising bone stress shielding.<\/jats:p>","DOI":"10.1007\/s10237-019-01240-3","type":"journal-article","created":{"date-parts":[[2019,10,25]],"date-time":"2019-10-25T01:19:55Z","timestamp":1571966395000},"page":"693-699","update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":33,"title":["Stress analysis in a bone fracture fixed with topology-optimised plates"],"prefix":"10.1007","volume":"19","author":[{"given":"Abdulsalam Abdulaziz","family":"Al-Tamimi","sequence":"first","affiliation":[]},{"given":"Carlos","family":"Quental","sequence":"additional","affiliation":[]},{"given":"Joao","family":"Folgado","sequence":"additional","affiliation":[]},{"given":"Chris","family":"Peach","sequence":"additional","affiliation":[]},{"given":"Paulo","family":"Bartolo","sequence":"additional","affiliation":[]}],"member":"297","published-online":{"date-parts":[[2019,10,24]]},"reference":[{"key":"1240_CR1","doi-asserted-by":"publisher","DOI":"10.1007\/978-3-662-05086-6","volume-title":"Topology optimization: theory, methods, and applications","author":"M Bends\u00f8e","year":"2004","unstructured":"Bends\u00f8e M, Sigmund O (2004) Topology optimization: theory, methods, and applications. 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