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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.22 No.6
- 발행연도
- 2016.1
- 수록면
- 1,301 - 1,336 (36page)
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In this paper, the free vibrations of a short cylindrical nanotube made of piezoelectric material are studied based on the consistent couple stress theory and using the shear deformable cylindrical theory. This new model has only one length scale parameter and can consider the size effects of nanostructures in nanoscale. To model size effects in nanoscale, and considering the nanotube material which is piezoelectric, the consistent couple stress theory is used. First, using Hamilton's principle, the equations of motion and boundary condition of the piezoelectric cylindrical nanoshell are developed. Afterwards, using Navier approach and extended Kantorovich method (EKM), the governing equations of the system with simple-simple (S-S) and clamped-clamped (C-C) supports are solved. Afterwards, the effects of size parameter, geometric parameters (nanoshell length and thickness), and mechanical and electric properties (piezoelectric effect) on nanoshell vibrations are investigated. Results demonstrate that the natural frequency on nanoshell in nanoscale is extremely dependent on nanoshell size. Increase in size parameter, thickness and flexoelectric effect of the material leads to increase in frequency of vibrations. Moreover, increased nanoshell length and diameter leads to decreased vibration frequency.
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참고문헌 (82)
참고문헌 신청
Akgoz, B / 2013 / Vibration analysis of micro-scaled sector shaped graphene surrounded by an elastic matrix / Computat. Mater. Sci 77:295~303
Akgoz, B. / 2014 / A microstructure-dependent sinusoidal plate model based on the strain gradient elasticity theory / Acta Mechanica 226(7):2277~2294
Akgoz, B. / 2015 / A novel microstructure-dependent shear deformable beam model / Int. J. Mech. Sci 99:10~20
Asghari, M. / 2010 / A nonlinear Timoshenko beam formulation based on the modified couple stress theory / Int. J. Eng. Sci 48(12):1749~1761
Ismahene Belkorissat / 2015 / On vibration properties of functionally graded nano-plate using a new nonlocal refined four variable model / Steel and Composite Structures, An International Journal 18(4):1063~1081
Akgoz, B. / 2014 / A microstructure-dependent sinusoidal plate model based on the strain gradient elasticity theory / Acta Mechanica 226(7):2277~2294
Akgoz, B. / 2015 / A novel microstructure-dependent shear deformable beam model / Int. J. Mech. Sci 99:10~20
Asghari, M. / 2010 / A nonlinear Timoshenko beam formulation based on the modified couple stress theory / Int. J. Eng. Sci 48(12):1749~1761
Ismahene Belkorissat / 2015 / On vibration properties of functionally graded nano-plate using a new nonlocal refined four variable model / Steel and Composite Structures, An International Journal 18(4):1063~1081
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