A high-resolution layer-wise discontinuous Galerkin formulation for multilayered composite plates

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In this work, a novel high-resolution formulation for multilayered composite plates is presented. The formulationsis referred to as high-resolution since it combines (i) Layer-Wise plate theories, which are based on a perlayer,high-order expansion of the primary variables throughout the plate’s thickness, providing a detailed layerleveldescription of the sought solution; (ii) The discontinuous Galerkin method, a numerical approach based ona discontinuous representation of the unknown fields over the mesh elements and on the introduction ofboundary integral operators enforcing inter-element continuity, which allow the natural treatment of high-ordermesh elements and provide high-resolution on the representation of the primary variables and their derivatives;(iii) The implicitly-defined mesh technique, a meshing strategy based on an implicit representation of the platedomain, which allows resolving the presence of curved boundaries with high-order accuracy.Numerical tests are provided to investigate the effect of the penalty parameter and to show the optimalconvergence of the proposed formulation, which is subsequently employed in combination with an implicitlydefinedhierarchical quad-tree mesh to resolve the stress distribution in a rectangular plate and in a plate with acircular hole
Original languageEnglish
Number of pages15
JournalComposite Structures
Publication statusPublished - 2020

All Science Journal Classification (ASJC) codes

  • Ceramics and Composites
  • Civil and Structural Engineering


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