Damage-induced modeling of elastic-viscoelastic randomly oriented particulate composites

Yong-Rak Kim, David H. Allen, Gary D. Seidel

Research output: Contribution to journalArticle

21 Citations (Scopus)

Abstract

This paper presents a model for predicting the damage-induced mechanical response of particle-reinforced composites. The modeling includes the effects of matrix viscoelasticity and fracture, both within the matrix and along the boundaries between matrix and rigid particles. Because of these inhomogeneities, the analysis is performed using the finite element method. Interface fracture is predicted by using a nonlinear viscoelastic cohesive zone model. Rate-dependent viscoelastic behavior of the matrix material and cohesive zone is incorporated by utilizing a numerical time-incrementalized algorithm. The proposed modeling approach can be successfully employed for numerous types of solid media that exhibit matrix viscoelasticity and complex damage evolution characteristics within the matrix as well as along the matrix-particle boundaries. Computational results are given for various asphalt concrete mixtures. Simulation results demonstrate that each model parameter and design variable significantly influences the mechanical behavior of the mixture.

Original languageEnglish (US)
Pages (from-to)18-27
Number of pages10
JournalJournal of Engineering Materials and Technology, Transactions of the ASME
Volume128
Issue number1
DOIs
StatePublished - Jan 1 2006

Fingerprint

particulates
damage
composite materials
Composite materials
matrices
viscoelasticity
Viscoelasticity
asphalt
Particle reinforced composites
matrix materials
Asphalt concrete
Concrete mixtures
finite element method
inhomogeneity
Interfaces (computer)
Finite element method
simulation

Keywords

  • Cohesive zone
  • Composite
  • Damage modeling
  • Finite element method
  • Viscoelasticity

ASJC Scopus subject areas

  • Mechanical Engineering
  • Materials Science(all)

Cite this

Damage-induced modeling of elastic-viscoelastic randomly oriented particulate composites. / Kim, Yong-Rak; Allen, David H.; Seidel, Gary D.

In: Journal of Engineering Materials and Technology, Transactions of the ASME, Vol. 128, No. 1, 01.01.2006, p. 18-27.

Research output: Contribution to journalArticle

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