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Numerical simulation of multiple crack growth in brittle materials with adaptive remeshing

In this paper, an automated adaptive remeshing procedure is presented for simulation of arbitrary shape crack growth in multiple cracked bodies. The Zienkiewicz–Zhu error estimator is employed in conjunction with the modified superconvergent patch recovery (SPR) technique to obtain more accurate est...

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Published in:International journal for numerical methods in engineering 2011-02, Vol.85 (8), p.1017-1048
Main Authors: Azadi, H., Khoei, A. R.
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Language:English
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description In this paper, an automated adaptive remeshing procedure is presented for simulation of arbitrary shape crack growth in multiple cracked bodies. The Zienkiewicz–Zhu error estimator is employed in conjunction with the modified superconvergent patch recovery (SPR) technique to obtain more accurate estimation of error. A stability analysis is performed to determine active cracks from a set of competitive cracks. Various crack growth criteria together with the respective crack trajectory prediction are compared. Several numerical examples are illustrated to demonstrate the efficiency, robustness and accuracy of computational algorithm in the simulation of multiple crack growth. Copyright © 2010 John Wiley & Sons, Ltd.
doi_str_mv 10.1002/nme.3002
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ispartof International journal for numerical methods in engineering, 2011-02, Vol.85 (8), p.1017-1048
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subjects adaptive remeshing
Algorithms
brittle material
Computer simulation
Crack propagation
crack propagation criteria
Cracks
error control
Errors
Exact sciences and technology
Fracture mechanics (crack, fatigue, damage...)
Fundamental areas of phenomenology (including applications)
mixed-mode fracture
multiple cracks
Numerical analysis
Physics
Solid mechanics
Stability analysis
Structural and continuum mechanics
Trajectories
title Numerical simulation of multiple crack growth in brittle materials with adaptive remeshing
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