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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.71 No.1
- 발행연도
- 2019.1
- 수록면
- 65 - 75 (11page)
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In this article, the dynamic fracture instability characteristics, including dynamic crack propagation and crack branching, in PMMA brittle solids under dynamic loading are investigated using the discrete element method (DEM) simulations. The microscopic parameters in DEM are first calibrated using the comparison with the previous experimental results not only in the field of qualitative analysis, but also in the field of quantitative analysis. The calibrating process illustrates that the selected microscopic parameters in DEM are suitable to effectively and accurately simulate dynamic fracture process in PMMA brittle solids subjected to dynamic loads. The typical dynamic fracture behaviors of solids under dynamic loading are then reproduced by DEM. Compared with the previous experimental and numerical results, the present numerical results are in good agreement with the existing ones not only in the field of qualitative analysis, but also in the field of quantitative analysis. Furthermore, effects of dynamic loading magnitude, offset distance of the initial crack and initial crack length on dynamic fracture behaviors are numerically discussed.
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참고문헌 (53)
참고문헌 신청
Farid F. Abraham / 2005 / Unstable crack motion is predictable / Journal of the Mechanics and Physics of Solids 53(5):1071~1078
Soheil Bazazzadeh / 2019 / Application of the peridynamic differential operator to the solution of sloshing problems in tanks / Engineering Computations 36(1):45~83
Soheil Bazazzadeh / 2019 / Fatigue degradation strategies to simulate crack propagation using peridynamic based computational methods / Latin American Journal of Solids and Structures 16(2)
Ted Belytschko / 2003 / Dynamic crack propagation based on loss of hyperbolicity and a new discontinuous enrichment / International Journal for Numerical Methods in Engineering 58(12):1873~1905
Bowden, F. P. / 1967 / Controlled fracture of brittle solids and interruption of electrical current / Nature 216:38~42
Soheil Bazazzadeh / 2019 / Application of the peridynamic differential operator to the solution of sloshing problems in tanks / Engineering Computations 36(1):45~83
Soheil Bazazzadeh / 2019 / Fatigue degradation strategies to simulate crack propagation using peridynamic based computational methods / Latin American Journal of Solids and Structures 16(2)
Ted Belytschko / 2003 / Dynamic crack propagation based on loss of hyperbolicity and a new discontinuous enrichment / International Journal for Numerical Methods in Engineering 58(12):1873~1905
Bowden, F. P. / 1967 / Controlled fracture of brittle solids and interruption of electrical current / Nature 216:38~42
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