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Title: Optimization of hip implant designs based on its mechanical behaviour
Authors: Göktaş, Hasan
Subaşı, Eda
Uzkut, Metin
Kara, Mustafa
Biçici, Hamit
Shirazi, Hadi
Mihçin, Şenay
Keywords: Finite element method
Hip implant
Static analysis
Total deformation
von Mises stress
Publisher: Springer
Abstract: Total Hip Arthroplasty (THA) is one of the best advancements in healthcare. THA is required when the hip joint causes immobility and pain. The designed hip implants vary in geometry with different geometrical parameters. The geometry plays an important role in the mechanical behavior of the hip implant. In this study, the optimum selection of hip implant under static loading was evaluated using Finite Element Modeling (FEM). Hip implants with three different stem cross-sections including. (a) elliptic, (b) oval, and (c) trapezoidal were designed using a commercial Computer-Aided Design (CAD) software package. The FEM analysis was carried out via ANSYS R2019 to assess the key mechanical parameters of the implants such as stress distribution and deformation. The results were evaluated for the best stress and strain values. The optimum design had equivalent stress (von Misses) of 258,1 MPa, equivalent strain of 0.004, with total deformation of 0.24 mm and frictional stress of 0.362 MPa producing best values for trapezoidal cross-sectioned design. The findings of this study provided an insight into the selection of appropriate hip implant design with certain geometric design parameters to produce optimum results in clinical applications. © 2022, The Author(s), under exclusive license to Springer Nature Switzerland AG.
Description: International Conference of the Polish Society of Biomechanics, BIOMECHANICS 2020 -- 8 September 2021 through 10 September 2021
ISBN: 9783030862961
ISSN: 2367-3370
Appears in Collections:Mechanical Engineering / Makina Mühendisliği
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection

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