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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 국제구조공학회 Structural Engineering and Mechanics, An Int'l Journal Structural Engineering and Mechanics, An Int'l Journal Vol.71 No.1
- 발행연도
- 2019.1
- 수록면
- 89 - 98 (10page)
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초록· 키워드
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In this study, the mechanical bending behaviors of functionally graded porous nanobeams are investigated. Four types of porosity which are, the classical power porosity function, the symmetric with mid-plane cosine function, bottom surface distribution and top surface distribution are proposed in analysis of nanobeam for the first time. A comparison between four types of porosity are illustrated. The effect of nano-scale is described by the differential nonlocal continuum theory of Eringen by adding the length scale into the constitutive equations as a material parameter comprising information about nanoscopic forces and its interactions. The graded material is designated by a power function through the thickness of nanobeam. The beam is simply-supported and is assumed to be thin, and hence, the kinematic assumptions of Euler-Bernoulli beam theory are held. The mathematical model is solved numerically using the finite element method. Numerical results show effects of porosity type, material graduation, and nanoscale parameters on the static deflection of nanobeam.
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참고문헌 (73)
참고문헌 신청
Amal E. Alshorbagy / 2011 / Free vibration characteristics of a functionally graded beam by finite element method / Applied Mathematical Modelling 35(1):412~425
Şeref D. Akbaş / 2017 / Post-buckling responses of functionally graded beams with porosities / Steel and Composite Structures, An International Journal 24(5):579~589
Abdelouahed Tounsi / 2016 / Size-dependent mechanical behavior of functionally graded trigonometric shear deformable nanobeams including neutral surface position concept / Steel and Composite Structures, An International Journal 20(5):963~981
K.S. Al-Basyouni / 2015 / Size dependent bending and vibration analysis of functionally graded micro beams based on modified couple stress theory and neutral surface position / Composite Structures 125:621~630
Yousef S. Al Rjoub / 2017 / Free Vibration of Functionally Euler-Bernoulli and Timoshenko Graded Porous Beams using the Transfer Matrix Method / KSCE Journal of Civil Engineering 21(3):792~806
Şeref D. Akbaş / 2017 / Post-buckling responses of functionally graded beams with porosities / Steel and Composite Structures, An International Journal 24(5):579~589
Abdelouahed Tounsi / 2016 / Size-dependent mechanical behavior of functionally graded trigonometric shear deformable nanobeams including neutral surface position concept / Steel and Composite Structures, An International Journal 20(5):963~981
K.S. Al-Basyouni / 2015 / Size dependent bending and vibration analysis of functionally graded micro beams based on modified couple stress theory and neutral surface position / Composite Structures 125:621~630
Yousef S. Al Rjoub / 2017 / Free Vibration of Functionally Euler-Bernoulli and Timoshenko Graded Porous Beams using the Transfer Matrix Method / KSCE Journal of Civil Engineering 21(3):792~806
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