Computational modeling of the effective properties of spatially graded composites

Phillip E. Deierling, Olesya I. Zhupanska

Research output: Contribution to journalArticlepeer-review

10 Scopus citations

Abstract

In the present study, finite element- and representative volume element (RVE)-based models for estimation of the effective elastic, thermal, and thermoelastic properties of the multi-phase spatially graded particulate composites have been developed. Efficient particle packing algorithms were utilized to create high-resolution graded microstructures with spatial (more than one direction) variation of the composites’ constituents. The so-called continuously graded RVEs were generated and accounted for spatially continuously graded microstructures. Numerical homogenization of these RVEs enabled to preserve the influence of the particle interactions resulting from continuous grading. The developed models were verified by comparing the predicted effective properties to those obtained using the previously existed models and were validated using available experimental data.

Original languageEnglish (US)
Pages (from-to)145-157
Number of pages13
JournalInternational Journal of Mechanical Sciences
Volume145
DOIs
StatePublished - Sep 2018

Keywords

  • Effective properties
  • FEA
  • FGM
  • Numerical homogenization
  • RVE
  • Spatially graded composites

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering
  • Aerospace Engineering
  • Ocean Engineering
  • Applied Mathematics
  • General Materials Science
  • Civil and Structural Engineering

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