Peridynamic modeling of composite laminates with material coupling and transverse shear deformation

Y. L. Hu, Yin Yu, E. Madenci

Research output: Contribution to journalArticle

Abstract

This study presents a new state-based PeriDynamic (PD) model of a composite laminate with arbitrary laminate layup; it captures all types of material couplings in the presence of transverse shear deformation. It consists of normal and shear bonds instead of fiber and matrix bonds to allow arbitrary fiber orientations. Also, rotational degrees of freedom are included in the equilibrium equations in order to evaluate the transverse shear angle and curvature. Mindlin-Reissner plate theory, employed in this model, permits the use of existing composite constitutive law which leads to the coupling between different deformation modes. In addition, a quasi-local boundary condition applied only to the first row of material points avoids the approximation of nonlocal boundary values. The accuracy of this model is verified against benchmark solutions, and validated by comparison with experimental results.

Original languageEnglish (US)
Article number112760
JournalComposite Structures
Volume253
DOIs
StatePublished - Dec 1 2020

Keywords

  • Composite laminate
  • Deformation mode
  • Material coupling
  • Peridynamics
  • Transverse shear

ASJC Scopus subject areas

  • Ceramics and Composites
  • Civil and Structural Engineering

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