3D random Voronoi grain-based models for simulation of brittle rock damage and fabric-guided micro-fracturing

Ghazvinian, Ehsan; S. Diederichs, Mark; Quey, Romain

doi:10.1016/j.jrmge.2014.09.001

Public

3D random Voronoi grain-based models for simulation of brittle rock damage and fabric-guided micro-fracturing

Published in Journal of Rock Mechanics and Geotechnical Engineering • Oct 6, 2014

Authors:

Ehsan Ghazvinian

Mark S. Diederichs

Romain Quey

Abstract

A grain-based distinct element model featuring three-dimensional (3D) Voronoi tessellations (random poly-crystals) is proposed for simulation of crack damage development in brittle rocks. The grain boundaries in poly-crystal structure produced by Voronoi tessellations can represent flaws in intact r...

Subject

Voronoi diagram

Discrete element method

Brittleness

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