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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 국제구조공학회 Steel and Composite Structures, An International Journal Steel and Composite Structures, An International Journal Vol.33 No.2
- 발행연도
- 2019.1
- 수록면
- 261 - 275 (15page)
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초록· 키워드
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The main objective of this paper is to study the axial buckling and post-buckling of geometrically imperfect single-layer graphene sheets (GSs) under in-plane loading in the theoretical framework of the nonlocal strain gradient theory. To begin with, a graphene sheet is modeled by a two-dimensional plate subjected to simply supported ends, and supposed to have a small initial curvature. Then according to the Hamilton*$39;s principle, the nonlinear governing equations are derived with the aid of the classical plate theory and the von-karman nonlinearity theory. Subsequently, for providing a more accurate physical assessment with respect to the influence of respective parameters on the mechanical performances, the approximate analytical solutions are acquired via using a two-step perturbation method. Finally, the authors perform a detailed parametric study based on the solutions, including geometric imperfection, nonlocal parameters, strain gradient parameters and wave mode numbers, and then reaching a significant conclusion that both the size-dependent effect and a geometrical imperfection can't be ignored in analyzing GSs.
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참고문헌 (113)
참고문헌 신청
Allahyari, E. / 2018 / Employing an analytical approach to study the thermo-mechanical vibration of a defective size-dependent graphene nanosheet / Eur. Phys. J. Plus 133(6):223
Apuzzo, A. / 2018 / Free vibrations of elastic beams by modified nonlocal strain gradient theory / Int. J. Eng. Sci 133:99~108
Bao, W. / 2009 / Controlled ripple texturing of suspended graphene and ultrathin graphite membranes / Nature Nanotechnol 4:562~566
Barati, M. R. / 2017 / A general nonlocal stress-strain gradient theory for forced vibration analysis of heterogeneous nanoporous plates / Eur. J. Mech. A-Solid 67:215~230
Barati, M. R. / 2017 / Post-buckling analysis of refined shear deformable graphene platelet reinforced beams with porosities and geometrical imperfection / Compos. Struct 181:194~202
Apuzzo, A. / 2018 / Free vibrations of elastic beams by modified nonlocal strain gradient theory / Int. J. Eng. Sci 133:99~108
Bao, W. / 2009 / Controlled ripple texturing of suspended graphene and ultrathin graphite membranes / Nature Nanotechnol 4:562~566
Barati, M. R. / 2017 / A general nonlocal stress-strain gradient theory for forced vibration analysis of heterogeneous nanoporous plates / Eur. J. Mech. A-Solid 67:215~230
Barati, M. R. / 2017 / Post-buckling analysis of refined shear deformable graphene platelet reinforced beams with porosities and geometrical imperfection / Compos. Struct 181:194~202
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