An efficient phase-field model of shear fractures using deviatoric stress split

We propose a phase-field model of shear fractures using the deviatoric stress decomposition. This choice allows us to use general three-dimensional Mohr–Coulomb’s failure function for formulating the relations and evaluating peak and residual stresses. We apply the model to a few benchmark problems...

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Published in:Computational mechanics 2023-12, Vol.72 (6), p.1263-1278
Main Authors: Haghighat, Ehsan, Santillán, David
Format: Article
Language:English
Subjects:
Boundary conditions
Classical and Continuum Physics
Computational Science and Engineering
Crack propagation
Decomposition
Energy
Engineering
Failure modes
Fault lines
Fractures
Geomechanics
Localization
Mechanics
Mohr-Coulomb theory
Original Paper
Residual stress
Shear
Slope stability
Strain localization
Theoretical and Applied Mechanics
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cited_by cdi_FETCH-LOGICAL-c363t-dbf30bee6c4e3a7afc7569fb480cc0d6f3b550de1d5d31b34239e9cd18f64fb03
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container_title Computational mechanics
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creator Haghighat, Ehsan
Santillán, David
description We propose a phase-field model of shear fractures using the deviatoric stress decomposition. This choice allows us to use general three-dimensional Mohr–Coulomb’s failure function for formulating the relations and evaluating peak and residual stresses. We apply the model to a few benchmark problems of shear fracture and strain localization and report remarkable performance. Our model is able to capture conjugate failure modes under biaxial compression test and for the slope stability problem, a challenging task for most models of geomechanics.
doi_str_mv 10.1007/s00466-023-02348-1
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ispartof Computational mechanics, 2023-12, Vol.72 (6), p.1263-1278
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source Springer Nature
subjects Boundary conditions
Classical and Continuum Physics
Computational Science and Engineering
Crack propagation
Decomposition
Energy
Engineering
Failure modes
Fault lines
Fractures
Geomechanics
Localization
Mechanics
Mohr-Coulomb theory
Original Paper
Residual stress
Shear
Slope stability
Strain localization
Theoretical and Applied Mechanics
title An efficient phase-field model of shear fractures using deviatoric stress split
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