Modified strain gradient Reddy rectangular plate model for biaxial buckling and bending analysis of double-coupled piezoelectric polymeric nanocomposite reinforced by FG-SWNT
作者： M Mohammadimehr , B Rousta Navi , A Ghorbanpour Arani , None
DOI: 10.1016/J.COMPOSITESB.2015.10.007
关键词: van der Waals force 、 Plate theory 、 Materials science 、 Carbon nanotube 、 Deflection (engineering) 、 Composite material 、 Nanocomposite 、 Shear stress 、 Volume fraction 、 Buckling
摘要: Abstract In this paper, the modified strain gradient (MSG) Reddy rectangular plate theory is extended for biaxial buckling and bending analysis of double-coupled polymeric nanocomposite plates reinforced by functionally graded single-walled boron nitride nanotubes (FG-SWBNNTs) carbon (FG-SWCNTs). Different distribution patterns BNNTs SWCNTs including uniform (UD), FG-V, FG-X FG-O are used. The micromechanical approach employed to determine elastic piezoelectric material properties plates. equilibrium equations obtained Hamilton's principle. Then, critical load deflection derived Navier's method with simply supported boundary conditions all edges. A good agreement observed between literature results. Inclusive parametric study conducted investigate effects length scale parameters, applied voltage, foundation coefficients, aspect ratio van der Waals interaction on dimensionless results reveal that in contrast voltage increase vice versa decrease Influence parameters insignificant at h/l ≥ 10 couple stress (MCST) MSGT. Also, volume fraction various distributions SWNTs shear studied. can be useful micro-electro-mechanical (MEMS) nano-electro-mechanical (NEMS) systems.
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