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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 국제구조공학회 Structural Engineering and Mechanics, An Int'l Journal Structural Engineering and Mechanics, An Int'l Journal Vol.72 No.2
- 발행연도
- 2019.1
- 수록면
- 191 - 201 (11page)
이용수
초록· 키워드
오류제보하기
Finite element analysis is one of the most used tools for studying femoral neck fracture. Nerveless, consensus concerning either the choice of material characteristics, damage law and /or geometric models (linear on nonlinear) remains unreached. In this work, we propose a numerical quasi-brittle damage model to describe the behavior of the proximal femur associated with two methods to evaluate the Young modulus. Eight proximal femur finite elements models were constructed from CT scan data (4 donors: 3 women; 1 man). The numerical computations showed a good agreement between the numerical curves (load – displacement) and the experimental ones. A very encouraging result is obtained when a comparison is made between the computed fracture loads and the experimental ones (R2=0.825, Relative error =6.49%). All specific numerical computation provided very fair qualitative matches with the fracture patterns for the sideway fall simulation. Finally, the comparative study based on 32 simulations adopting linear and nonlinear meshing led to the conclusion that the quantitatively results are improved when a nonlinear mesh is used.
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참고문헌 (44)
참고문헌 신청
Abedini, M. / 2017 / Evaluation of concrete structures reinforced with fiber reinforced polymers bars : A Review / J. Asian Sci. Res 7(5):165~175
AbdulKadir, M. R. / 2014 / Computational Biomechanics of the Hip Joint / Springer :19~42
O. Ariza / 2015 / Comparison of explicit finite element and mechanical simulation of the proximal femur during dynamic drop-tower testing / Journal of Biomechanics 48(2):224~232
Awad Bettamer / 2015 / Using visual image measurements to validate a novel finite element model of crack propagation and fracture patterns of proximal femur / Computer Methods in Biomechanics and Biomedical Engineering: Imaging & Visualization 5(4):251~262
P.J. Blanco / 2016 / The method of multiscale virtual power for the derivation of a second order mechanical model / Mechanics of Materials 99:53~67
AbdulKadir, M. R. / 2014 / Computational Biomechanics of the Hip Joint / Springer :19~42
O. Ariza / 2015 / Comparison of explicit finite element and mechanical simulation of the proximal femur during dynamic drop-tower testing / Journal of Biomechanics 48(2):224~232
Awad Bettamer / 2015 / Using visual image measurements to validate a novel finite element model of crack propagation and fracture patterns of proximal femur / Computer Methods in Biomechanics and Biomedical Engineering: Imaging & Visualization 5(4):251~262
P.J. Blanco / 2016 / The method of multiscale virtual power for the derivation of a second order mechanical model / Mechanics of Materials 99:53~67
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