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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.41 No.2
- 발행연도
- 2021.10
- 수록면
- 167 - 191 (25page)
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초록· 키워드
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This paper presents an original high-order shear and normal deformation theory for the static and free vibration of sandwich plates. The number of unknowns and governing equations of the present theory is reduced, and hence makes it simple to use. Unlike any other theory, the number of unknown functions involved in displacement field is only four, as against five or more in the case of other shear and normal deformation theories. New types of functionally graded materials (FGMs) sandwich plates are considered, namely, both FG face sheets which the properties vary according to power-law function and exponentially graded hard core. The equations of motion for the present problem are derived from Hamilton’s principle. For simply-supported boundary conditions, Navier’s approach is utilized to solve the motion equations. The accuracy of the present theory is verified by comparing the obtained results with three-dimensional elasticity solutions and other quasi-3D higher-order theories reported in the literature. Other numerical examples are also presented to show the influences of the volume fraction distribution, geometrical parameters and power law index on the bending and free vibration responses of the FGM sandwich plates are studied. It can be concluded that present formulation which takes into account both the transverse shear and normal deformation, predicts the natural frequencies with the same degree of accuracy as that of 3D elasticity solutions and gives a good results of displacements and stress compared with others Quasi-3D theories. It can be also deduced that the central deflection is in direct correlation relation with inhomogeneity parameter and the natural frequency is in inverse relation with this parameter.
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참고문헌 (98)
참고문헌 신청
Soufiane Abbas / 2020 / An efficient shear deformation theory with stretching effect for bending stress analysis of laminated composite plates / Structural Engineering and Mechanics, An Int＇l Journal 74(3):365~380
Ridha A. Ahmed / 2019 / Analyzing post-buckling behavior of continuously graded FG nanobeams with geometrical imperfections / Geomechanics and Engineering 17(2):175~180
Şeref Doğuşcan Akbaş / 2015 / Wave propagation of a functionally graded beam in thermal environments / Steel and Composite Structures, An International Journal 19(6):1421~1447
Şeref D. Akbaş / 2020 / Dynamic responses of laminated beams under a moving load in thermal environment / Steel and Composite Structures, An International Journal 35(6):729~737
Al-Basyouni, K.S. / 2020 / Effect of the rotation on the thermal stress wave propagation in non-homogeneous viscoelastic body / Geomechanics and Engineering 21(1):1~9
Ridha A. Ahmed / 2019 / Analyzing post-buckling behavior of continuously graded FG nanobeams with geometrical imperfections / Geomechanics and Engineering 17(2):175~180
Şeref Doğuşcan Akbaş / 2015 / Wave propagation of a functionally graded beam in thermal environments / Steel and Composite Structures, An International Journal 19(6):1421~1447
Şeref D. Akbaş / 2020 / Dynamic responses of laminated beams under a moving load in thermal environment / Steel and Composite Structures, An International Journal 35(6):729~737
Al-Basyouni, K.S. / 2020 / Effect of the rotation on the thermal stress wave propagation in non-homogeneous viscoelastic body / Geomechanics and Engineering 21(1):1~9
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