Title: Force evaluation and stress distribution at possible weight and structure of femur bone in pelvis frame while standing

Authors: Bhaskar Kumar Madeti; Chalamalasetti Srinivasa Rao; S.K. Sundara Siva Rao Bollapragada

Addresses: Department of Mechanical Engineering, Gayatri Vidya Parishad College of Engineering(A), Visakhapatnam, India ' Department of Mechanical Engineering, AU College of Engineering, Andhra University, Visakhapatnam, India ' Department of Mechanical Engineering, AU College of Engineering, Andhra University, Visakhapatnam, India

Abstract: The present paper gives a clear idea of hip joint, it is very complicated structure here we resolve the forces acting on hip joint by using Lami's theorem, by using the geometry from the CT scan the tensile force of ligament and axial compressive forces across the femoral head are obtained at various possible positions of pelvis frame while standing. Analysis is done for a person whose weight varies from 600 N to 1,500 N while standing, it is also extended to finite element analysis, stress distribution and deformation is noticed on the surface of femur. Factor of safety is also obtained.

Keywords: hip joint; femur; acetabular cup; axial compressive force; tensile force; ligament; stress distribution; deformation.

DOI: 10.1504/IJMEI.2018.093353

International Journal of Medical Engineering and Informatics, 2018 Vol.10 No.3, pp.235 - 251

Received: 16 May 2016
Accepted: 07 Mar 2017
Published online: 25 Jul 2018 *

Full-text access for editors Full-text access for subscribers Purchase this article Comment on this article