A review of numerical modelling of the dynamics of microstructural development in rocks and ice: Past, present and future

Sandra Piazolo (Corresponding Author), Paul D. Bons, Albert Griera, Maria-Gema Llorens, Enrique Gomez Rivas, Daniel Koehn, John Wheeler, Robyn Gardner, Jose R.A. Godinho, Lynn A. Evans, Ricardo A. Lebensohn, Mark W. Jessell

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Abstract

This review provides an overview of the emergence and current status of numerical modelling of microstructures, a powerful tool for predicting the dynamic behaviour of rocks and ice at the microscale with consequence for the evolution of these materials at a larger scale. We emphasize the general philosophy behind such numerical models and their application to important geological phenomena such as dynamic recrystallization and strain localization. We focus in particular on the dynamics that emerge when multiple processes, which may either be enhancing or competing with each other, are simultaneously active. Here, the ability to track the evolving microstructure is a particular advantage of numerical modelling. We highlight advances through time and provide glimpses into future opportunities and challenges.
Original languageEnglish
Pages (from-to)111-123
Number of pages13
JournalJournal of Structural Geology
Volume125
Early online date4 Jun 2018
DOIs
Publication statusPublished - Aug 2019

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Keywords

  • review
  • evolution of microstructures
  • numerical modelling
  • dynamic recrystallization
  • process interaction
  • Process interaction
  • Evolution of microstructures
  • Review
  • Dynamic recrystallization
  • Numerical modelling
  • FULL-FIELD PREDICTIONS
  • STRAIN LOCALIZATION
  • DIFFUSION-CREEP
  • GRAIN-GROWTH
  • CRYSTALLOGRAPHIC PREFERRED ORIENTATION
  • FABRIC DEVELOPMENT
  • IN-SITU EXPERIMENTS
  • SHEAR ZONES
  • COMPUTER-SIMULATION
  • PLASTIC-DEFORMATION

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