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RISS 인기검색어
- 검색키워드
- 저자 : Mahfoud Yousfi (검색결과 2 건)
- 무료
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Free vibration of FGM plates with porosity by a shear deformation theory with four variables
Mahfoud Yousfi,Hassen Ait Atmane,Mustapha Meradjah,Abdelouahed Tounsi,Riadh Bennai 국제구조공학회 2018 Structural Engineering and Mechanics, An Int'l Jou Vol.66 No.3
In this work, a high order hyperbolic shear deformation theory with four variables is presented to study the vibratory behavior of functionally graduated plates. The field of displacement of the theory used in this work is introduced indeterminate integral variables. In addition, the effect of porosity is studied. It is assumed that the material characteristics of the porous FGM plate, varies continuously in the direction of thickness as a function of the power law model in terms of volume fractions of constituents taken into account the homogeneous distribution of porosity. The equations of motion are obtained using the principle of virtual work. An analytical solution of the Navier type for free vibration analysis is obtained for a FGM plate for simply supported boundary conditions. A comparison of the results obtained with those of the literature is made to verify the accuracy and efficiency of the present theory. It can be concluded from his results that the current theory is not only accurate but also simple for the presentation of the response of free vibration and the effect of porosity on the latter.
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Free vibration of FGM plates with porosity by a shear deformation theory with four variables
Yousfi, Mahfoud,Atmane, Hassen Ait,Meradjah, Mustapha,Tounsi, Abdelouahed,Bennai, Riadh Techno-Press 2018 Structural Engineering and Mechanics, An Int'l Jou Vol.66 No.3
In this work, a high order hyperbolic shear deformation theory with four variables is presented to study the vibratory behavior of functionally graduated plates. The field of displacement of the theory used in this work is introduced indeterminate integral variables. In addition, the effect of porosity is studied. It is assumed that the material characteristics of the porous FGM plate, varies continuously in the direction of thickness as a function of the power law model in terms of volume fractions of constituents taken into account the homogeneous distribution of porosity. The equations of motion are obtained using the principle of virtual work. An analytical solution of the Navier type for free vibration analysis is obtained for a FGM plate for simply supported boundary conditions. A comparison of the results obtained with those of the literature is made to verify the accuracy and efficiency of the present theory. It can be concluded from his results that the current theory is not only accurate but also simple for the presentation of the response of free vibration and the effect of porosity on the latter.
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