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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 국제구조공학회 Smart Structures and Systems, An International Journal Smart Structures and Systems, An International Journal Vol.28 No.3
- 발행연도
- 2021.9
- 수록면
- 343 - 354 (12page)
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In this paper a higher-order shear deformation plate theory is presented to investigate the stress distribution and static deflections of functionally graded sandwich plates with porosity effects. The displacement field of the present theory is chosen based on nonlinear variations in the in-plane displacements through the thickness of the plate. By dividing the transverse displacement into the bending and shear parts and making further assumptions, the number of unknowns and equations of motion of the present theory is reduced a and hence makes them simple to use. The functionally graded materials (FGM) used in plates contain probably a porosity volume fraction which needs taking into account this aspect of imperfection in the mechanical bahavior of such structures. The present work aims to study the effect of the distribution forms of porosity on the bending of simply supported FG sandwich plate. The governing equations of the problem are derived by using the principle of virtual work. In the solution of the governing equations, the Navier procedure is used for the simply supported plate. In the porosity effect, four different porosity types are used for functionally graded sandwich plates. In the numerical results, the effects of the porosity parameters, porosity types and aspect ratio of plates on the normal stress, shear stress and static deflections of the functionally graded sandwich plates are presented and discussed. Also, some comparison studies are performed in order to validate the present formulations.
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참고문헌 (35)
참고문헌 신청
S. S. Akavci / 2010 / Two new hyperbolic shear displacement models for orthotropic laminated composite plates / Mechanics of Composite Materials 46(2):215~226
Akbaş, Ş. D. / 2017 / Vibration and static analysis of functionally graded porous plates / J. Appl. Computat. Mech 3(3):199~207
Farooq Al Jahwari / 2016 / Analysis and homogenization of functionally graded viscoelastic porous structures with a higher order plate theory and statistical based model of cellular distribution / Applied Mathematical Modelling 40(3):2190~2205
Mehmet Avcar / 2019 / Free vibration of imperfect sigmoid and power law functionally graded beams / Steel and Composite Structures, An International Journal 30(6):603~615
Da Chen / 2017 / Nonlinear vibration and postbuckling of functionally graded graphene reinforced porous nanocomposite beams / Composites Science and Technology 142:235~245
Akbaş, Ş. D. / 2017 / Vibration and static analysis of functionally graded porous plates / J. Appl. Computat. Mech 3(3):199~207
Farooq Al Jahwari / 2016 / Analysis and homogenization of functionally graded viscoelastic porous structures with a higher order plate theory and statistical based model of cellular distribution / Applied Mathematical Modelling 40(3):2190~2205
Mehmet Avcar / 2019 / Free vibration of imperfect sigmoid and power law functionally graded beams / Steel and Composite Structures, An International Journal 30(6):603~615
Da Chen / 2017 / Nonlinear vibration and postbuckling of functionally graded graphene reinforced porous nanocomposite beams / Composites Science and Technology 142:235~245
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