Scaling to RVE in random media

M. Ostoja-Starzewski, S. Kale, P. Karimi, A. Malyarenko, B. Raghavan, S. I. Ranganathan, J. Zhang

Research output: Chapter in Book/Report/Conference proceedingChapter

Abstract

The problem of effective properties of material microstructures has received considerable attention over the past half a century. By effective (or overall, macroscopic, global) is meant the response assuming the existence of a representative volume element (RVE) on which a homogeneous continuum is being set up. Since the efforts over the past quarter century have been shifting to the problem of the size of RVE, this chapter reviews the results and challenges in this broad field for a wide range of materials. For the most part, the approach employed to assess the scaling to the RVE is based on the Hill-Mandel macrohomogeneity condition. This leads to bounds that explicitly involve the size of a mesoscale domain-this domain also being called a statistical volume element (SVE)-relative to the microscale and the type of boundary conditions applied to this domain. In general, the trend to pass from the SVE to RVE depends on random geometry and mechanical properties of the microstructure, and displays certain, possibly universal tendencies. This chapter discusses that issue first for linear elastic materials, where a scaling function plays a key role to concisely grasp the SVE-to-RVE scaling. This sets the stage for treatment of nonlinear and or/inelastic random materials, including elasto-plastic, viscoelastic, permeable, and thermoelastic classes. This methodology can be extended to homogenization of random media by micropolar (Cosserat) rather than by classical (Cauchy) continua as well as to homogenization under stationary (standing wave) or transient (wavefront) loading conditions. The final topic treated in this chapter is the formulation of continuum mechanics accounting for the violations of second law of thermodynamics, which have been studied on a molecular level in statistical physics over the past two decades. We end with an overview of open directions and challenges of this research field.

Original languageEnglish (US)
Title of host publicationAdvances in Applied Mechanics
PublisherAcademic Press Inc.
Pages111-211
Number of pages101
DOIs
StatePublished - Jan 1 2016

Publication series

NameAdvances in Applied Mechanics
Volume49
ISSN (Print)0065-2156

Fingerprint

Microstructure
Continuum mechanics
Wavefronts
Physics
Boundary conditions
Thermodynamics
Plastics
Mechanical properties
Geometry

ASJC Scopus subject areas

  • Computational Mechanics
  • Mechanical Engineering

Cite this

Ostoja-Starzewski, M., Kale, S., Karimi, P., Malyarenko, A., Raghavan, B., Ranganathan, S. I., & Zhang, J. (2016). Scaling to RVE in random media. In Advances in Applied Mechanics (pp. 111-211). (Advances in Applied Mechanics; Vol. 49). Academic Press Inc.. https://doi.org/10.1016/bs.aams.2016.07.001

Scaling to RVE in random media. / Ostoja-Starzewski, M.; Kale, S.; Karimi, P.; Malyarenko, A.; Raghavan, B.; Ranganathan, S. I.; Zhang, J.

Advances in Applied Mechanics. Academic Press Inc., 2016. p. 111-211 (Advances in Applied Mechanics; Vol. 49).

Research output: Chapter in Book/Report/Conference proceedingChapter

Ostoja-Starzewski, M, Kale, S, Karimi, P, Malyarenko, A, Raghavan, B, Ranganathan, SI & Zhang, J 2016, Scaling to RVE in random media. in Advances in Applied Mechanics. Advances in Applied Mechanics, vol. 49, Academic Press Inc., pp. 111-211. https://doi.org/10.1016/bs.aams.2016.07.001
Ostoja-Starzewski M, Kale S, Karimi P, Malyarenko A, Raghavan B, Ranganathan SI et al. Scaling to RVE in random media. In Advances in Applied Mechanics. Academic Press Inc. 2016. p. 111-211. (Advances in Applied Mechanics). https://doi.org/10.1016/bs.aams.2016.07.001
Ostoja-Starzewski, M. ; Kale, S. ; Karimi, P. ; Malyarenko, A. ; Raghavan, B. ; Ranganathan, S. I. ; Zhang, J. / Scaling to RVE in random media. Advances in Applied Mechanics. Academic Press Inc., 2016. pp. 111-211 (Advances in Applied Mechanics).
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