Finite element analysis of mid-diaphyseal transverse fracture based on cortical bone heterogeneity

Nurul Najwa Mansor, Ruslizam Daud, Khairul Salleh Basaruddin, Fauziah Mat, Mohd Yazid Bajuri

Research output: Contribution to journalArticle

Abstract

The failure of bone may cause from accumulation of micro cracks, and will affect the micro structure features. The composition in cortical bone can be in the composite structure which has variety in material properties and play a role to macroscopic fracture behavior of whole bone structure. The composition in bone can be demonstrated as heterogeneous material properties which considered as constituents of osteon, cement line, interstitial matrix and Haversian canal. It is hypothesize that linear stress interaction exist and growth to intensify the interaction between constituents. This paper presents a finite cortical bone model based on continuum mechanics theory to identify the linear elastic interaction between four constituents and evaluate its model based on the standard analytical model for brittle fracture. Finite element method is employed to calculate the interaction fracture parameter, stress intensity factor (SIF) and energy release rate for four anatomical positions in cortical bone which are posterior, anterior, medial and lateral are considered due to different variability of bone properties. The results demonstrates the highest value of SIFs at posterior cortex and found lowest at lateral cortex. It is identified that numerical data is in good agreement with analytical model for brittle fracture.

Original languageEnglish
Pages (from-to)4302-4306
Number of pages5
JournalARPN Journal of Engineering and Applied Sciences
Volume12
Issue number14
Publication statusPublished - 1 Jul 2017

Fingerprint

Bone
Finite element method
Brittle fracture
Analytical models
Materials properties
Continuum mechanics
Energy release rate
Canals
Composite structures
Chemical analysis
Stress intensity factors
Cements
Cracks
Microstructure

Keywords

  • Diaphyseal fracture
  • Finite element method
  • Heterogeneity
  • SIFs

ASJC Scopus subject areas

  • Engineering(all)

Cite this

Finite element analysis of mid-diaphyseal transverse fracture based on cortical bone heterogeneity. / Mansor, Nurul Najwa; Daud, Ruslizam; Basaruddin, Khairul Salleh; Mat, Fauziah; Bajuri, Mohd Yazid.

In: ARPN Journal of Engineering and Applied Sciences, Vol. 12, No. 14, 01.07.2017, p. 4302-4306.

Research output: Contribution to journalArticle

Mansor, Nurul Najwa ; Daud, Ruslizam ; Basaruddin, Khairul Salleh ; Mat, Fauziah ; Bajuri, Mohd Yazid. / Finite element analysis of mid-diaphyseal transverse fracture based on cortical bone heterogeneity. In: ARPN Journal of Engineering and Applied Sciences. 2017 ; Vol. 12, No. 14. pp. 4302-4306.
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