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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.75 No.3
- 발행연도
- 2020.1
- 수록면
- 339 - 356 (18page)
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초록· 키워드
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In this article, a developed bond-based peridynamic model for functionally graded materials (FGMs) is proposed to simulate the dynamic fracture behaviors in FGMs. In the developed bond-based peridynamic model for FGMs, bonds are categorized into three different types, including transverse directionally peridynamic bond, gradient directionally peridynamic bond and arbitrary directionally peridynamic bond, according to the geometrical relationship between directions of peridynamic bonds and gradient bonds in FGMs. The peridynamic micromodulus in the gradient directionally and arbitrary directionally peridynamic bonds can be determined using the weighted projection method. Firstly, the standard bond-based peridynamic simulations of crack propagation and branching in the homogeneous PMMA plate are performed for validations, and the results are in good agreement with the previous experimental observations and the previous phase-field numerical results. Then, the numerical study of crack initiation, propagation and branching in FGMs are conducted using the developed bond-based peridynamic model, and the influence of gradient direction on the dynamic fracture behaviors, such as crack patterns and crack tip propagation speed, in FGMs is systematically studied. Finally, numerical results reveal that crack branching in FGMs under dynamic loading conditions is easier to occur as the gradient angle decreases, which is measured by the gradient direction and direction of the initial crack.
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참고문헌 (83)
참고문헌 신청
Abanto-Bueno, J. / 2006 / An experimental study of mixed model crack initiation and growth in functionally graded materials / Exp. Mech 46(2):179~186
Aizikovich, S. M. / 2015 / Semi-analytical solution for mode I penny-shaped crack in a soft inhomogeneous layer / Int. J. Solids Struct 53:129~137
Mohammad Arefi / 2015 / Elastic solution of a curved beam made of functionally graded materials with different cross sections / Steel and Composite Structures, An International Journal 18(3):659~672
Areias, P. / 2013 / Element-wise fracture algorithm based on rotation of edges / Eng. Fract. Mech 110:113~137
Areias, P. / 2016 / Damage and fracture algorithm using the screened poisson equation and local remeshing / Eng. Fract. Mech 158:116~143
Aizikovich, S. M. / 2015 / Semi-analytical solution for mode I penny-shaped crack in a soft inhomogeneous layer / Int. J. Solids Struct 53:129~137
Mohammad Arefi / 2015 / Elastic solution of a curved beam made of functionally graded materials with different cross sections / Steel and Composite Structures, An International Journal 18(3):659~672
Areias, P. / 2013 / Element-wise fracture algorithm based on rotation of edges / Eng. Fract. Mech 110:113~137
Areias, P. / 2016 / Damage and fracture algorithm using the screened poisson equation and local remeshing / Eng. Fract. Mech 158:116~143
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