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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.1
- 발행연도
- 2019.1
- 수록면
- 133 - 142 (10page)
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초록· 키워드
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In the present study, microstructure-dependent static stability analysis of inhomogeneous tapered micro-columns is performed. It is considered that the micro column is made of functionally graded materials and has a variable cross-section. The material and geometrical properties of micro column vary continuously throughout the axial direction. Euler-Bernoulli beam and modified couple stress theories are used to model the nonhomogeneous micro column with variable cross section. Rayleigh-Ritz solution method is implemented to obtain the critical buckling loads for various parameters. A detailed parametric study is performed to examine the influences of taper ratio, material gradation, length scale parameter, and boundary conditions. The validity of the present results is demonstrated by comparing them with some related results available in the literature. It can be emphasized that the size-dependency on the critical buckling loads is more prominent for bigger length scale parameter-to-thickness ratio and changes in the material gradation and taper ratio affect significantly the values of critical buckling loads.
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참고문헌 (94)
참고문헌 신청
Aifantis, E. C. / 1999 / Gradient deformation models at nano, micro, and macroscales / J. Eng. Mater. Technol 121:189~202
Ak, C. / 2017 / Computing the pull-in voltage of fixed-fixed micro-actuators by artificial neural network / Microsyst. Technol 23(8):3537~3546
Akgoz, B. / 2011 / Buckling analysis of cantilever carbon nanotubes using the strain gradient elasticity and modified couple stress theories / J. Comput. Theor. Nanostruct 8(9):1821~1827
Bekir Akgöz / 2013 / Buckling analysis of linearly tapered micro-columns based on strain gradient elasticity / Structural Engineering and Mechanics, An Int＇l Journal 48(2):195~205
Akgoz, B. / 2013 / Free vibration analysis of axially functionally graded tapered Bernoulli-Euler microbeams based on the modified couple stress theory / Compos. Struct 98:314~322
Ak, C. / 2017 / Computing the pull-in voltage of fixed-fixed micro-actuators by artificial neural network / Microsyst. Technol 23(8):3537~3546
Akgoz, B. / 2011 / Buckling analysis of cantilever carbon nanotubes using the strain gradient elasticity and modified couple stress theories / J. Comput. Theor. Nanostruct 8(9):1821~1827
Bekir Akgöz / 2013 / Buckling analysis of linearly tapered micro-columns based on strain gradient elasticity / Structural Engineering and Mechanics, An Int＇l Journal 48(2):195~205
Akgoz, B. / 2013 / Free vibration analysis of axially functionally graded tapered Bernoulli-Euler microbeams based on the modified couple stress theory / Compos. Struct 98:314~322
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