Three-dimensional modelling of elastic bonding in composite laminates using layerwise differential quadrature

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Author(s)

Detail(s)

Original languageEnglish
Pages (from-to)1745-1764
Journal / PublicationInternational Journal of Solids and Structures
Volume40
Issue number7
Publication statusPublished - Apr 2003
Externally publishedYes

Abstract

In an effort to overcome the limitations of existing rigid bonding analysis of composite laminates, the current three-dimensional elastostatic model is proposed. In this model, the three-dimensional interlaminar elastic stress field is determined using the technique of layerwise differential quadrature. The new formulations allowed us to determine the influence of a natural bonding layer upon the field variables in the laminated structure. The interfacial characteristics of continuity and discontinuity satisfy the kinematic continuity conditions through the elastic-bonding layer. A number of case studies are examined, comparisons with rigid bonding and finite element analyses are provided, and the influence of the pertinent parameters on the interlaminar stress field is evaluated and discussed. © 2002 Elsevier Science Ltd. All rights reserved.

Research Area(s)

  • Composite laminates, Differential quadrature method, Elastic bonding, Finite element analysis, Rigid bonding, Three-dimensional elasticity theory, Weak bonding

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