Approach to simulation of deformation and fracture of hierarchically organized heterogeneous media, including contrast media

S. G. Psakhie, E. V. Shilko, A. Yu Smolin, A. V. Dimaki, A. I. Dmitriev, Ig S. Konovalenko, S. V. Astafurov, S. Zavshek

Research output: Contribution to journalArticle

51 Citations (Scopus)

Abstract

The paper concerns the development of a formalism of the movable cellular automata method for simulation of consolidated heterogeneous elastoplastic media at different scale levels. Using the developed formalism as the basis, an approach was formulated for construction of structural models that describe mesoscopic response (including fracture) of heterogeneous media to loading with regard to hierarchical organization of their internal structure. In the approach, the effect of structural scale levels higher than the level under consideration is taken into account by a technique combining the particle method and conventional methods of continuum mechanics. The effect of lower structural scale levels is taken into account by determining integral response characteristics of lower-scale representative volumes and by specifying appropriate values of particle interaction parameters. The proposed formalism was advanced for description of contrast heterogeneous media whose components can assume different aggregate states. The potentialities of the particle method for description of hierarchically organized media are illustrated by studying the response and fracture mechanisms of materials, including contrast media, with a developed porous structure.

Original languageEnglish
Pages (from-to)224-248
Number of pages25
JournalPhysical Mesomechanics
Volume14
Issue number5-6
DOIs
Publication statusPublished - 2011

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Contrast media
Contrast Media
Continuum mechanics
Particle interactions
Cellular automata
formalism
simulation
continuum mechanics
cellular automata
particle interactions

Keywords

  • Elasticity
  • Fracture
  • Heterogeneous medium
  • Hierarchy of structural scale levels
  • Movable cellular automaton method
  • Numerical simulation
  • Plasticity

ASJC Scopus subject areas

  • Mechanics of Materials
  • Materials Science(all)
  • Condensed Matter Physics
  • Surfaces and Interfaces

Cite this

Approach to simulation of deformation and fracture of hierarchically organized heterogeneous media, including contrast media. / Psakhie, S. G.; Shilko, E. V.; Smolin, A. Yu; Dimaki, A. V.; Dmitriev, A. I.; Konovalenko, Ig S.; Astafurov, S. V.; Zavshek, S.

In: Physical Mesomechanics, Vol. 14, No. 5-6, 2011, p. 224-248.

Research output: Contribution to journalArticle

Psakhie, S. G. ; Shilko, E. V. ; Smolin, A. Yu ; Dimaki, A. V. ; Dmitriev, A. I. ; Konovalenko, Ig S. ; Astafurov, S. V. ; Zavshek, S. / Approach to simulation of deformation and fracture of hierarchically organized heterogeneous media, including contrast media. In: Physical Mesomechanics. 2011 ; Vol. 14, No. 5-6. pp. 224-248.
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