Prediction of natural frequencies of laminated curved panels using refined 2-D theories in the spectral collocation method

• Autorzy: Amir Hossein Mohazzab , Lorenzo Dozio
• Języki publikacji: EN

Abstrakty

EN

This paper presents a versatile and efficientmodeling and solution framework for free vibration analysis of composite laminated cylindrical and spherical panels modeled according to two-dimensional equivalent singlelayer and layerwise theories of variable order.Aunified formulation of the equations of motion is adopted which can be used for both thin and thick structures. The discretization procedure is based on the spectral collocation method and is presented in a compact matrix form which can be directly and easily implemented. The convergence and accuracy of the proposed approach is evaluated for panels having different boundary conditions, thickness and shallowness ratios, and lamination layups.

Słowa kluczowe

EN

Free vibration analysis; Cylindrical laminatedpanels; Spherical laminated panels; Higher-order theories; Layerwise theories; Spectral collocation method.

• Wydawca: De Gruyter Open
• Czasopismo: Curved and Layered Structures
• Rocznik: 2015
• Tom: 2
• Numer: 1

Daty

otrzymano

2014-10-13

zaakceptowano

2014-11-14

online

2014-12-18

Twórcy

autor

Amir Hossein Mohazzab

• Department of Aerospace Science and
  Technology, Politecnico di Milano, via La Masa, 34, 20156, Milan,
  Italy

autor

Lorenzo Dozio

• Department of Aerospace Science and
  Technology, Politecnico di Milano, via La Masa, 34, 20156, Milan,
  Italy

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Identyfikatory

DOI

10.1515/cls-2015-0001