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A generalized higher-order theory for multi-layered, shear-deformable composite plates

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Abstract

A generalized higher-order theory describing the mechanical behavior of multi-layered composite plates with arbitrary lamination scheme is proposed. Ritz’s method is employed to determine the kinematic unknowns expressed in a complete polynomial power series of the thickness-wise coordinate whereas the dependence on the in-plane coordinates is such that the functions satisfy all boundary conditions. The correct constitutive laws of a three-dimensional orthotropic elastic continuum are employed for each individual layer. The convergence and accuracy of the computational scheme are investigated by comparing elastic static and buckling results with analytical or finite element solutions for complex cross- and angle-ply laminates. For further validation of the theory, laminated plates under a transverse pressure are investigated for technically relevant lamination schemes and the associated deformation and stress results are compared with those obtained through FE calculations.

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Authors and Affiliations

  1. Dipartimento di Ingegneria Strutturale e Geotecnica, University of Rome La Sapienza, via Eudossiana, 18, 00184, Rome, Italy

    Lars Fiedler, Walter Lacarbonara & Fabrizio Vestroni

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  1. Lars Fiedler
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  2. Walter Lacarbonara
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  3. Fabrizio Vestroni
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Correspondence to Fabrizio Vestroni.

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Fiedler, L., Lacarbonara, W. & Vestroni, F. A generalized higher-order theory for multi-layered, shear-deformable composite plates. Acta Mech 209, 85–98 (2010). https://doi.org/10.1007/s00707-009-0142-y

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  • DOI: https://doi.org/10.1007/s00707-009-0142-y

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