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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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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.25 No.1
- 발행연도
- 2017.1
- 수록면
- 67 - 78 (12page)
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초록· 키워드
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In this study, free vibration of functionally graded (FG) micro/nanobeams based on nonlocal third-order shear deformation theory and under different boundary conditions is investigated by applying the differential quadrature method. Third-order shear deformation theory can consider the both small-scale effects and quadratic variation of shear strain and hence shear stress along the FG nanobeam thickness. The governing equations are obtained by using the Hamilton's principle, based on third-order shear deformation beam theory. The differential quadrature (DQ) method is used to discretize the model and attain the natural frequencies and mode shapes. The properties of FG micro/nanobeam are assumed to be chanfged along the thickness direction based on the simple power law distribution. The effects of various parameters such as the nonlocal parameter, gradient index, boundary conditions and mode number on the vibration characteristics of FG micro/nanobeams are discussed in detail.
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참고문헌 (53)
참고문헌 신청
Alshorbagy, A. E. / 2011 / Free vibration characteristics of a functionally graded beam by finite element method / Appl. Math. Model 35(1):412~425
Asghari, M. / 2010 / A nonlinear Timoshenko beam formulation based on the modified couple stress theory / Int. J. Eng. Sci 48(12):1749~1761
Aydogdu, M. / 2009 / A general nonlocal beam theory : its application to nanobeam bending, buckling and vibration / Physica E : Low-dimens. Syst. Nanostruct 41(9):1651~1655
Batra, R. / 2008 / Vibrations of narrow microbeams predeformed by an electric field / J. Sound Vib 309(3):600~612
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
Asghari, M. / 2010 / A nonlinear Timoshenko beam formulation based on the modified couple stress theory / Int. J. Eng. Sci 48(12):1749~1761
Aydogdu, M. / 2009 / A general nonlocal beam theory : its application to nanobeam bending, buckling and vibration / Physica E : Low-dimens. Syst. Nanostruct 41(9):1651~1655
Batra, R. / 2008 / Vibrations of narrow microbeams predeformed by an electric field / J. Sound Vib 309(3):600~612
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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