Abstract
A unified higher-order shear deformation microplate model for free vibration analysis of functionally graded sandwich materials with porosities is proposed in this paper. The theory is developed from a general higher-order shear deformation framework and modified couple stress theory to capture the size effects. The displacements are approximated by bi-directional series of hybrid shape functions, then characteristic equations of motion are obtained by Lagrange’s equations. Numerical results are presented for different configurations of material distribution, side-to-thickness ratio, size-scale-thickness ratio and boundary conditions on natural frequencies of functionally graded porous sandwich microplates.
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Tran, VT., Nguyen, TK., Nguyen, VH. (2023). An Efficient Size-Dependent Computational Approach for Functionally Graded Porous Sandwich Microplates Based on Modified Couple Stress Theory. In: Huang, YP., Wang, WJ., Quoc, H.A., Le, HG., Quach, HN. (eds) Computational Intelligence Methods for Green Technology and Sustainable Development. GTSD 2022. Lecture Notes in Networks and Systems, vol 567. Springer, Cham. https://doi.org/10.1007/978-3-031-19694-2_8
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DOI: https://doi.org/10.1007/978-3-031-19694-2_8
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