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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
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- 국제구조공학회 Structural Engineering and Mechanics, An Int'l Journal Structural Engineering and Mechanics, An Int'l Journal Vol.73 No.6
- 발행연도
- 2020.1
- 수록면
- 685 - 698 (14page)
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The dynamic stability of a functionally graded polymer microbeam reinforced by graphene oxides subjected to a periodic axial force is investigated. The microbeam is assumed to rest on an elastic substrate and is subjected to various immovable boundary restraints. The weight fraction of graphene oxides nanofillers is graded across the beam thickness. The effective Young's modulus of the functionally graded graphene oxides reinforced composite (FG-GORC) was determined using modified Halpin–Tsai model, with the mixture rule used to evaluate the effective Poisson's ratio and the mass density. An improved third order shear deformation theory (TSDT) is used in conjunction with the Chebyshev polynomial-based Ritz method to derive the Mathieu-Hill equations for dynamic stability of the FG-GORC microbeam, in which the scale effect is taken into account based on modified couple stress theory. Then, the Mathieu-Hill equation was solved using Bolotin's method to predict the principle unstable regions of the FG-GORC microbeams. The numerical results show the effects of the small scale, the graphene oxides nanofillers as well as the elastic substrate on the dynamic stability behaviors of the FG-GORC microbeams.
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참고문헌 (64)
참고문헌 신청
Ali Ghorbanpour Arani / 2018 / Nonlinear free and forced vibration analysis of microbeams resting on the nonlinear orthotropic visco-Pasternak foundation with different boundary conditions / Steel and Composite Structures, An International Journal 28(2):149~165
Arefi, M. / 2018 / Free vibrations of functionally graded polymer composite nanoplates reinforced with graphene nanoplatelets / Aerosp. Sci. Technol 81:108~117
Ashrafi, B. / 2006 / Carbon nanotube-reinforced composites as structural materials for microactuators in microelectromechanical systems / Nanotechnology 17(19):4895
Bolotin, V. V. / 1964 / The Dynamic Stability of Elastic Systems / Holden-Day
Chen, L. / 2017 / Chebyshev polynomials and their some interesting applications / Adv. Differ. Equ. 2017:303
Arefi, M. / 2018 / Free vibrations of functionally graded polymer composite nanoplates reinforced with graphene nanoplatelets / Aerosp. Sci. Technol 81:108~117
Ashrafi, B. / 2006 / Carbon nanotube-reinforced composites as structural materials for microactuators in microelectromechanical systems / Nanotechnology 17(19):4895
Bolotin, V. V. / 1964 / The Dynamic Stability of Elastic Systems / Holden-Day
Chen, L. / 2017 / Chebyshev polynomials and their some interesting applications / Adv. Differ. Equ. 2017:303
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