15 Citations (Scopus)

Abstract

A novel nonlocal lattice particle model for fracture simulation of anisotropic materials is proposed. The key idea is to handle material anisotropy by rotating topological lattice structure rather than transforming material stiffness matrix. One major advantage of this model is that the crack path preference of anisotropic materials is naturally incorporated by underlying lattice structure. First, analytical derivation and formulation of the proposed model are given. The equivalency of lattice structure rotation and stiffness transformation is discussed. Following this, numerical examples are used to demonstrate the modeling capability of proposed methodology. Discussions and future work are given based on the current investigation.

Original languageEnglish (US)
Pages (from-to)141-151
Number of pages11
JournalComposites Part B: Engineering
Volume90
DOIs
StatePublished - Apr 1 2016

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Stiffness matrix
Anisotropy
Stiffness
Cracks

Keywords

  • A. Laminates
  • B. Delamination
  • B. Fracture
  • C. Computational modelling

ASJC Scopus subject areas

  • Ceramics and Composites
  • Mechanics of Materials
  • Industrial and Manufacturing Engineering
  • Mechanical Engineering

Cite this

A nonlocal lattice particle model for fracture simulation of anisotropic materials. / Chen, Hailong; Jiao, Yang; Liu, Yongming.

In: Composites Part B: Engineering, Vol. 90, 01.04.2016, p. 141-151.

Research output: Contribution to journalArticle

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AB - A novel nonlocal lattice particle model for fracture simulation of anisotropic materials is proposed. The key idea is to handle material anisotropy by rotating topological lattice structure rather than transforming material stiffness matrix. One major advantage of this model is that the crack path preference of anisotropic materials is naturally incorporated by underlying lattice structure. First, analytical derivation and formulation of the proposed model are given. The equivalency of lattice structure rotation and stiffness transformation is discussed. Following this, numerical examples are used to demonstrate the modeling capability of proposed methodology. Discussions and future work are given based on the current investigation.

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KW - B. Fracture

KW - C. Computational modelling

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