Investigating Morphology Evolution of Damage by a Cellular Automaton Modelling

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A two-dimensional cellular automaton (CA) model is developed to simulate damage and fracture morphology evolution on the mesoscale in materials. The plastic convection of damage is mapped onto the CA lattice, and initiation, propagation and coalescence of damage are simulated with a local rule-based scheme of a probability cellular automaton. The model includes known physical distinctions of fracture behavior between microcracks and microvoids, and they are characterized by modifying the probability rule of the cellular automaton. The simulations provide visual insight to understand how those physical processes dynamically progress and they affect the damage evolution in materials. The modeling can be used to link micromechanical models to continuum damage models.

Info:

Periodical:

Key Engineering Materials (Volumes 353-358)

Edited by:

Yu Zhou, Shan-Tung Tu and Xishan Xie

Pages:

1060-1063

Citation:

J. Zhang et al., "Investigating Morphology Evolution of Damage by a Cellular Automaton Modelling", Key Engineering Materials, Vols. 353-358, pp. 1060-1063, 2007

Online since:

September 2007

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Price:

$38.00

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