A thermal-mechanical a-fem for fracture analyses of textile composites

Qingda Yang, Bao Chan Do

Research output: Contribution to conferencePaperpeer-review

Abstract

This paper presents how the novel augmented finite element method (A-FEM) can be extended to account for path-arbitrary, single intra-elemental discontinuities under general thermo-mechanical loading. We show that this formulation enables the derivation of explicit, fully condensed elemental equilibrium equations that are mathematically exact within the finite element context. The extension to include thermal effects incorporate A-FEM's excellent capability in high-fidelity simulation of cohesive cracks in homogeneous solids. A single element evaluation demonstrates the response under general thermo-mechanical loading conditions to be in agreement with both analytical solutions and numerical results. Numerical examples apply this thermo-mechanical extension (TM-AFEM to fracture problems of interest with promising results.

Original languageEnglish (US)
StatePublished - 2015
Event20th International Conference on Composite Materials, ICCM 2015 - Copenhagen, Denmark
Duration: Jul 19 2015Jul 24 2015

Other

Other20th International Conference on Composite Materials, ICCM 2015
CountryDenmark
CityCopenhagen
Period7/19/157/24/15

Keywords

  • Augmented Finite elements
  • Ceramic Matrix Composites
  • Heat Transfer

ASJC Scopus subject areas

  • Engineering(all)
  • Ceramics and Composites

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