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Investigation of Meshing Strategy on Mechanical Behaviour of Hip Stem Implant Design Using FEA

Authors
  • Ikhsan,1
  • Triyono, Joko2
  • Prabowo, Aditya Rio2
  • Sohn, Jung Min3
  • 1 Graduate School of Mechanical Engineering, Sebelas Maret University, Indonesia , (Indonesia)
  • 2 Department of Mechanical Engineering, Sebelas Maret University, Indonesia , (Indonesia)
  • 3 Interdisciplinary Program of Marine Convergence Design, Pukyong National University, 48513 , (South Korea)
Type
Published Article
Journal
Open Engineering
Publisher
De Gruyter Open
Publication Date
Aug 23, 2020
Volume
10
Issue
1
Pages
769–775
Identifiers
DOI: 10.1515/eng-2020-0087
Source
De Gruyter
Keywords
License
Green

Abstract

Hip joint is an important human joints system. The damaged hip joints need to be replaced with artificial hip joints. The Study of the hip joint is very costly therefore another calculation method is demanded to produce good result in acceptable time and cost. Considering this problem, a series of study to assess hip joint performance is conducted using numerical approach. Important parameter for example applied materials are used in the modelling by idealizing Ti-6Al-4V compared to SS 316 L, and stemlengthwas chosen to be 128 mm. ANSYS software was used to analyze models, and designed element size variations were set to be in range 1 to 2.5 mm. The magnitude of force was placed on the femoral head with an angle of 16∘C from the vertical axis. Results showed that SS 316 L material has smaller deformation than Ti material. Whereas Central Processing (CP) time decreases in increasing element size for both materials. In addition, more variations in mesh size are needed to get more accurate convergent results.

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