Advancements in multiresolution analysis

John A. Moore, Ying Li, Devin T. O’Connor, Wylie Stroberg, Wing Kam Liu*

*Corresponding author for this work

Research output: Contribution to journalArticle

2 Scopus citations

Abstract

Materials have a hierarchical nature, deriving often their most useful properties from microscale or nanoscale constituents. Multiresolution analysis, a generalized continuum mechanics-based theory, uses extra degrees of freedom to account for an arbitrary number of these nested length scales. In the past, multiresolution analyses have focused mostly on metal alloys. While this article addresses recent advances in image-based multiresolution analysis of metal alloys, it also highlights extensions to multiresolution theory for modeling of bone mechanics and multiresolution analysis of polymers and polymer nanocomposites. A strong link between molecular dynamics simulations and macroscale multiresolution analyses is shown for both polymers and polymer nanocomposites. The forthcoming work is greatly indebted to the pioneering advances of Ted Belytschko in many areas of computational mechanics; his influence on our work and on the field of finite elements as a whole is substantial.

Original languageEnglish (US)
Pages (from-to)784-807
Number of pages24
JournalInternational Journal for Numerical Methods in Engineering
Volume102
Issue number3-4
DOIs
StatePublished - Jan 1 2015

Keywords

  • Finite elements
  • Generalized continuum
  • Image-based modeling
  • Molecular dynamics
  • Multiscale analysis
  • Polymers

ASJC Scopus subject areas

  • Numerical Analysis
  • Engineering(all)
  • Applied Mathematics

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