Search results for "Orthogonal polynomials"

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Investigation of buckling characteristics of cracked variable stiffness composite plates by an eXtended Ritz approach

2021

Abstract Variable Angle Tow (VAT) composite plates are characterized by in-plane variable stiffness properties, which opens to new concepts of stiffness tailoring and optimization to achieve higher structural performance for advanced lightweight structures where damage tolerance consideration are often mandatory. In this paper, a single-domain eXtended Ritz formulation is proposed to study the buckling behaviour of variable stiffness laminated cracked plates. The plate behaviour is described by the first order shear deformation theory whose generalized displacements, namely reference plane translations and rotations, are expressed via suitable admissible trial functions. These consist of a …

business.industryMechanical EngineeringBoundary (topology)Stiffness020101 civil engineering02 engineering and technologyBuilding and ConstructionStructural engineering0201 civil engineering020303 mechanical engineering & transports0203 mechanical engineeringBucklingSpecial functionsOrthogonal polynomialsmedicineBoundary value problemmedicine.symptombusinessBuckling Cracked plates Extended Ritz method Variable stiffness X-RitzSettore ING-IND/04 - Costruzioni E Strutture AerospazialiDamage toleranceCivil and Structural EngineeringMathematicsEnergy functional

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