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Journal of Theoretical and Applied Vibration and Acoustics، جلد ۶، شماره ۱، صفحات ۵۱-۶۸
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عنوان انگلیسی A theoretical approach for flexural behavior of FG vibrating micro-plates with piezoelectric layers considering a hybrid length scale parameter
چکیده انگلیسی مقاله In the current study, the mechanical performance of functionally graded oscillating micro-plates bonded with piezoelectric layers is examined using the modified couple stress theory. The modified couple stress theory contains a length scale parameter that considers the size-effects of micro-plates. The various modified shear deformation theories are employed to represent the displacement field of micro-plate, such as exponential, parabolic, hyperbolic, trigonometric, and fifth-order shear deformation theories. The properties of FG micro-plate, such as Young’s modulus, density, and length scale parameter, are assumed to vary smoothly and across the micro-plate thickness based on the Power-law model. The governing equations of motion are obtained by Hamilton's principle and solved by a theoretical approach under various boundary conditions. The accuracy of the proposed model is validated based on a comparison of the results with the accepted studies. Computational analysis is carried out to clarify the impacts of mechanical and geometrical variables on the natural frequencies of micro-plates.
کلیدواژه‌های انگلیسی مقاله Vibrating FG micro-plate,Piezoelectric,Modified couple stress theory
نویسندگان مقاله Korosh Khorshidi |
Associated Professor, Department of Mechanical Engineering, Faculty of Engineering, Arak University, Arak, Iran

Mahdi Bahrami |
MSc Student, Department of Mechanical Engineering, Faculty of Engineering, Arak University, Arak, Iran

Mahdi Karimi |
MSc Student, Department of Mechanical Engineering, Faculty of Engineering, Arak University, Arak, Iran

Mohsen Ghasemi |
M.Sc. Student, Department of Mechanical Engineering, Faculty of Engineering, Arak university, Arak, IranMSc Student, Department of Mechanical Engineering, Faculty of Engineering, Arak University, Arak, Iran

نشانی اینترنتی https://tava.isav.ir/article_241759_8b5ce0b3145b36483392f003f0367cac.pdf
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