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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.18 No.2
- 발행연도
- 2015.1
- 수록면
- 425 - 442 (18page)
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This paper addresses theoretically the bending and buckling behaviors of size-dependent nanobeams made of functionally graded materials (FGMs) including the thickness stretching effect. The size-dependent FGM nanobeam is investigated on the basis of the nonlocal continuum model. The nonlocal elastic behavior is described by the differential constitutive model of Eringen, which enables the present model to become effective in the analysis and design of nanostructures. The present model incorporates the length scale parameter (nonlocal parameter) which can capture the small scale effect, and furthermore accounts for both shear deformation and thickness stretching effects by virtue of a sinusoidal variation of all displacements through the thickness without using shear correction factor. The material properties of FGM nanobeams are assumed to vary through the thickness according to a power law. The governing equations and the related boundary conditions are derived using the principal of minimum total potential energy. A Navier-type solution is developed for simply-supported boundary conditions, and exact expressions are proposed for the deflections and the buckling load. The effects of nonlocal parameter, aspect ratio and various material compositions on the static and stability responses of the FGM nanobeam are discussed in detail. The study is relevant to nanotechnology deployment in for example aircraft structures.
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참고문헌 (83)
참고문헌 신청
Aifantis, E. C. / 1999 / Strain gradient interpretation of size effects / Int. J. Fract 95(1-4):299~314
Ait Amar Meziane, M. / 2014 / An efficient and simple refined theory for buckling and free vibration of exponentially graded sandwich plates under various boundary conditions / J. Sandw. Struct. Mater 16(3):293~318
Amara, K. / 2010 / Nonlocal elasticity effect on column buckling of multiwalled carbon nanotubes under temperature field / Appl. Math. Model 34(12):3933~3942
Bachir Bouiadjra, M. / 2012 / Thermal buckling of functionally graded plates according to a four-variable refined plate theory / J. Therm. Stresses 35(8):677~694
Rabbab Bachir Bouiadjra / 2013 / Nonlinear thermal buckling behavior of functionally graded plates using an efficient sinusoidal shear deformation theory / Structural Engineering and Mechanics, An Int＇l Journal 48(4):547~567
Ait Amar Meziane, M. / 2014 / An efficient and simple refined theory for buckling and free vibration of exponentially graded sandwich plates under various boundary conditions / J. Sandw. Struct. Mater 16(3):293~318
Amara, K. / 2010 / Nonlocal elasticity effect on column buckling of multiwalled carbon nanotubes under temperature field / Appl. Math. Model 34(12):3933~3942
Bachir Bouiadjra, M. / 2012 / Thermal buckling of functionally graded plates according to a four-variable refined plate theory / J. Therm. Stresses 35(8):677~694
Rabbab Bachir Bouiadjra / 2013 / Nonlinear thermal buckling behavior of functionally graded plates using an efficient sinusoidal shear deformation theory / Structural Engineering and Mechanics, An Int＇l Journal 48(4):547~567
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