Determination of Interlaminar Stresses in Bending Problems for a Stack of Transversely Isotropic Plates |
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Authors: | V I Zubko |
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Institution: | (1) Ivano-Frankovsk Division, National Academy of Sciences of Ukraine, Institute of Applied Problems of Mechanics and Mathematics, Ivano-Frankovsk |
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Abstract: | A mechanical and mathematical bending model for a stack of transversely isotropic plates is developed. The resolving equations for deflections and tangential displacements are supplemented with a system of differential equations for normal and tangential contact stresses. It is demonstrated that for stacks consisting of an arbitrary number of identical plates with no friction between them, the initial system of equations for contact stresses can be reduced to Helmholtz equations. This transition allows obtaining the complete eigenvalue spectrum for the Laplasian of the problem and, in special cases, eigenfunctions. They are Krylov functions when bending is cylindrical and Bessel functions when bending is axisymmetric |
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Keywords: | stack of transversely isotropic plates bending differential equations normal and tangential contact stresses |
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